Mlan0 disappeared and the WIFI did not work forever in iMX6ULL

Hi,
I found a problem in which the mlan0 disappeared and the WIFI did not work forever. Please let me know why this happens and how to recover.

Test sequence.

  1. Turn on Collibri board but I didn’t run any application.
  2. Check WIFI. (ifconfig)
  3. Turn off WiFi router and turn on it in 1 minute or 30 seconds.
  4. Check reconnection of WIFI in Collibri board.

After number three, I checked that the strange messages were constantly being seen through UART. I rebooted the board again, but I couldn’t see mlan0. I set the WIFI enable command.(connmanctl enable wifi) And then WIFI worked properly. I tested this sequence 3 times and 2 times works correctly. I worried if this problem is happened from my customers, I don’t know how to resolve it.

The following is the log. Please check the following log.

idh@colibri-imx6ull:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:90548 errors:0 dropped:111 overruns:0 frame:0
          TX packets:6257 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:9156292 (8.7 MiB)  TX bytes:990162 (966.9 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:161 errors:0 dropped:0 overruns:0 frame:0
          TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:17060 (16.6 KiB)  TX bytes:17060 (16.6 KiB)

mlan0     Link encap:Ethernet  HWaddr DC:F5:05:46:E4:59
          inet addr:192.168.1.151  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::def5:5ff:fe46:e459%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:142057 errors:0 dropped:0 overruns:0 frame:0
          TX packets:71107 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:18418662 (17.5 MiB)  TX bytes:9842623 (9.3 MiB)

uap0      Link encap:Ethernet  HWaddr DC:F5:05:46:E6:59
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# [87206.632357] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start : Invalid Sched_scan parameters
[87238.016845] mwifiex_sdio mmc1:0001:1: info: successfully disconnected from f0:d1:a9:14:45:99: reason code 0
[87238.111840] IPv6: ADDRCONF(NETDEV_UP): mlan0: link is not ready
[87240.960343] mwifiex_sdio mmc1:0001:1: info: trying to associate to 'PRECEPTHEALTH 5GHz' bssid f0:d1:a9:14:45:99
[87241.982341] mwifiex_sdio mmc1:0001:1: ASSOC_RESP: failed,    status code=2 err=0xfffa a_id=0x3fff
[87241.991463] mwifiex_sdio mmc1:0001:1: assoc failure: reason Unknown connect failure
[87242.006561] mwifiex_sdio mmc1:0001:1: info: association to bssid f0:d1:a9:14:45:99 failed
[87260.160192] ieee80211 phy0: sched_scan start : n_ssids=1 n_match_sets=1
[87260.167264] ieee80211 phy0: n_channels=38 interval=10 ie_len=0
[87291.551091] mwifiex_sdio mmc1:0001:1: mwifiex_cmd_timeout_func: Timeout cmd id = 0x107, act = 0x0
[87291.560541] mwifiex_sdio mmc1:0001:1: num_data_h2c_failure = 0
[87291.566577] mwifiex_sdio mmc1:0001:1: num_cmd_h2c_failure = 0
[87291.572472] mwifiex_sdio mmc1:0001:1: is_cmd_timedout = 1
[87291.578008] mwifiex_sdio mmc1:0001:1: num_tx_timeout = 0
[87291.583451] mwifiex_sdio mmc1:0001:1: last_cmd_index = 1
[87291.588901] mwifiex_sdio mmc1:0001:1: last_cmd_id: 6b 00 07 01 07 01 07 01 07 01
[87291.596490] mwifiex_sdio mmc1:0001:1: last_cmd_act: 01 00 00 00 00 00 00 00 00 00
[87291.604165] mwifiex_sdio mmc1:0001:1: last_cmd_resp_index = 0
[87291.610046] mwifiex_sdio mmc1:0001:1: last_cmd_resp_id: 6b 80 07 81 07 81 07 81 07 81
[87291.618067] mwifiex_sdio mmc1:0001:1: last_event_index = 3
[87291.623686] mwifiex_sdio mmc1:0001:1: last_event: 58 00 0b 00 0a 00 65 00 58 00
[87291.631189] mwifiex_sdio mmc1:0001:1: data_sent=0 cmd_sent=1
[87291.636984] mwifiex_sdio mmc1:0001:1: ps_mode=1 ps_state=0
[87291.655170] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start : Invalid Sched_scan parameters
[87291.665748] mwifiex_sdio mmc1:0001:1: ===mwifiex driverinfo dump start===
[87291.672789] mwifiex_sdio mmc1:0001:1: info: MWIFIEX VERSION: mwifiex 1.0 (16.68.1.p179)
[87291.681145] mwifiex_sdio mmc1:0001:1: SDIO register dump start
[87291.711722] mwifiex_sdio mmc1:0001:1: PREP_CMD: FW is in bad state
[87291.718064] mwifiex_sdio mmc1:0001:1: Ignore scan. Card removed or firmware in bad state
[87291.726339] mwifiex_sdio mmc1:0001:1: scan failed: -14
[87291.741636] mwifiex_sdio mmc1:0001:1: SDIO Func0 (0x0-0x9): 43 03 06 06 07 00 00 02 03 00
[87291.760761] mwifiex_sdio mmc1:0001:1: SDIO Func1 (0x10-0x17): 00 00 00 00 00 c0 ff ff
[87291.777299] mwifiex_sdio mmc1:0001:1: SDIO Func1: (0x8) c3 (0x58) 00 (0x5c) 08 (0x5d) 00 (0x60) 07 (0x61) 0c (0x62) 00 (0x64) 10 (0x65) 00 (0x66) 00 (0x68) 00 (0x69) 00 (0x6a) 00
[87291.794115] mwifiex_sdio mmc1:0001:1: SDIO Func1 (0xe8-0xf2): dc fe 27 00 57 01 07 7b 7a 01 70
[87291.907224] mwifiex_sdio mmc1:0001:1: SDIO Func1 (0xe8-0xf2): dc fe 35 00 64 01 07 7b 7a 01 70
[87291.916126] mwifiex_sdio mmc1:0001:1: SDIO register dump end
[87291.925594] mwifiex_sdio mmc1:0001:1: ===mwifiex driverinfo dump end===
[87291.934503] mwifiex_sdio mmc1:0001:1: == mwifiex firmware dump start ==
[87291.968942] mwifiex_sdio mmc1:0001:1: Fail to pull ctrl_data
[87291.974777] mwifiex_sdio mmc1:0001:1: firmware dump failed
[87291.980336] mwifiex_sdio mmc1:0001:1: == mwifiex dump information to /sys/class/devcoredump start
[87291.996579] mwifiex_sdio mmc1:0001:1: == mwifiex dump information to /sys/class/devcoredump end
[87292.013596] mwifiex_sdio mmc1:0001:1: info: shutdown mwifiex...
[87292.042556] mwifiex_sdio mmc1:0001:1: PREP_CMD: card is removed
[87292.048651] mwifiex_sdio mmc1:0001:1: PREP_CMD: card is removed
[87292.123984] mwifiex_sdio mmc1:0001:1: PREP_CMD: card is removed
[87292.130090] mwifiex_sdio mmc1:0001:1: PREP_CMD: card is removed
[87292.168032] mwifiex_sdio mmc1:0001:1: PREP_CMD: card is removed
[87293.702418] mwifiex_sdio mmc1:0001:1: info: FW download over, size 621896 bytes
[87294.540808] mwifiex_sdio mmc1:0001:1: WLAN FW is active
[87304.988289] mwifiex_sdio mmc1:0001:1: mwifiex_cmd_timeout_func: Timeout cmd id = 0xa9, act = 0x0
[87304.997492] mwifiex_sdio mmc1:0001:1: num_data_h2c_failure = 0
[87305.003730] mwifiex_sdio mmc1:0001:1: num_cmd_h2c_failure = 0
[87305.009659] mwifiex_sdio mmc1:0001:1: is_cmd_timedout = 1
[87305.015196] mwifiex_sdio mmc1:0001:1: num_tx_timeout = 0
[87305.020645] mwifiex_sdio mmc1:0001:1: last_cmd_index = 2
[87305.026099] mwifiex_sdio mmc1:0001:1: last_cmd_id: 6b 00 07 01 a9 00 07 01 07 01
[87305.033690] mwifiex_sdio mmc1:0001:1: last_cmd_act: 01 00 00 00 00 00 00 00 00 00
[87305.041366] mwifiex_sdio mmc1:0001:1: last_cmd_resp_index = 0
[87305.047248] mwifiex_sdio mmc1:0001:1: last_cmd_resp_id: 6b 80 07 81 07 81 07 81 07 81
[87305.055270] mwifiex_sdio mmc1:0001:1: last_event_index = 3
[87305.060888] mwifiex_sdio mmc1:0001:1: last_event: 58 00 0b 00 0a 00 65 00 58 00
[87305.068392] mwifiex_sdio mmc1:0001:1: data_sent=1 cmd_sent=1
[87305.074188] mwifiex_sdio mmc1:0001:1: ps_mode=0 ps_state=0
[87305.098411] mwifiex_sdio mmc1:0001:1: info: _mwifiex_fw_dpc: unregister device
[87315.866308] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87315.873513]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87315.880364] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87315.888671] kworker/0:2     D    0 15966      2 0x00000000
[87315.894626] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87315.900829] Backtrace:
[87315.903555] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87315.911003]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87315.919245]  r4:ffffe000
[87315.922021] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87315.930150]  r5:ffffe000 r4:7fffffff
[87315.933962] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87315.942661]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87315.949726] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87315.958574]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87315.966810]  r4:94bf7d00
[87315.969579] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87315.978175] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87315.986665]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87315.992607] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87316.001560]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87316.009774] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87316.020650] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87316.032112]  r5:00000001 r4:94bb0000
[87316.036760] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87316.047599]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87316.054372] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87316.065052]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87316.072609] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87316.083862]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87316.091035] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87316.101311]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87316.109536]  r4:94b936a0
[87316.112316] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87316.120919]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87316.129136]  r4:94bf7d00
[87316.131919] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87316.139716]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87316.147954]  r4:00000000
[87316.150721] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87316.158339]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40

idh@colibri-imx6ull:~# i[87326.744105] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87326.751308]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87326.758189] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87326.766419] kworker/0:2     D    0 15966      2 0x00000000
[87326.772422] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87326.778749] Backtrace:
[87326.781474] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87326.788887]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87326.797106]  r4:ffffe000
[87326.799876] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87326.808045]  r5:ffffe000 r4:7fffffff
[87326.811943] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87326.820616]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87326.827690] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87326.836624]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87326.844847]  r4:94bf7d00
[87326.847623] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87326.856218] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87326.864745]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87326.870694] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87326.879617]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87326.887849] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87326.898728] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87326.910198]  r5:00000001 r4:94bb0000
[87326.915014] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87326.925839]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87326.932627] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87326.943312]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87326.950893] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87326.962374]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87326.969621] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87326.979914]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87326.988174]  r4:94b936a0
[87326.990973] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87326.999519]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87327.007739]  r4:94bf7d00
[87327.010530] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87327.018342]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87327.026579]  r4:00000000
[87327.029343] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87327.036960]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
fconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:91086 errors:0 dropped:111 overruns:0 frame:0
          TX packets:6387 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:9260802 (8.8 MiB)  TX bytes:1009655 (985.9 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:165 errors:0 dropped:0 overruns:0 frame:0
          TX packets:165 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:17432 (17.0 KiB)  TX bytes:17432 (17.0 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:91096 errors:0 dropped:111 overruns:0 frame:0
          TX packets:6393 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:9262422 (8.8 MiB)  TX bytes:1010527 (986.8 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:165 errors:0 dropped:0 overruns:0 frame:0
          TX packets:165 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:17432 (17.0 KiB)  TX bytes:17432 (17.0 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# [87337.622009] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87337.629205]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87337.636100] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87337.644424] kworker/0:2     D    0 15966      2 0x00000000
[87337.650427] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87337.656632] Backtrace:
[87337.659352] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87337.666800]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87337.675062]  r4:ffffe000
[87337.677845] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87337.685984]  r5:ffffe000 r4:7fffffff
[87337.689813] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87337.698511]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87337.705582] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87337.714430]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87337.722669]  r4:94bf7d00
[87337.725441] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87337.734031] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87337.742519]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87337.748458] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87337.757408]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87337.765624] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87337.776503] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87337.787965]  r5:00000001 r4:94bb0000
[87337.792727] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87337.803461]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87337.810244] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87337.820923]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87337.828513] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87337.839765]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87337.846963] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87337.857232]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87337.865451]  r4:94b936a0
[87337.868233] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87337.876759]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87337.884991]  r4:94bf7d00
[87337.887777] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87337.895572]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87337.903801]  r4:00000000
[87337.906564] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87337.914184]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
[87348.499924] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87348.507121]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87348.513959] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87348.522288] kworker/0:2     D    0 15966      2 0x00000000
[87348.528251] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87348.534452] Backtrace:
[87348.537175] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87348.544624]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87348.552845]  r4:ffffe000
[87348.555616] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87348.563744]  r5:ffffe000 r4:7fffffff
[87348.567560] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87348.576244]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87348.583303] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87348.592129]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87348.600348]  r4:94bf7d00
[87348.603115] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87348.611705] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87348.620187]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87348.626120] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87348.635068]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87348.643277] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87348.654159] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87348.665621]  r5:00000001 r4:94bb0000
[87348.670307] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87348.681399]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87348.688253] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87348.698974]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87348.706563] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87348.717820]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87348.725013] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87348.735286]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87348.743503]  r4:94b936a0
[87348.746277] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87348.754809]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87348.763028]  r4:94bf7d00
[87348.765794] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87348.773586]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87348.781810]  r4:00000000
[87348.784579] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87348.792194]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:91149 errors:0 dropped:112 overruns:0 frame:0
          TX packets:6405 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:9272128 (8.8 MiB)  TX bytes:1012271 (988.5 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:165 errors:0 dropped:0 overruns:0 frame:0
          TX packets:165 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:17432 (17.0 KiB)  TX bytes:17432 (17.0 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# [87359.377875] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87359.385069]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87359.391922] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87359.400223] kworker/0:2     D    0 15966      2 0x00000000
[87359.406183] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87359.412381] Backtrace:
[87359.415103] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87359.422550]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87359.430807]  r4:ffffe000
[87359.433591] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87359.441728]  r5:ffffe000 r4:7fffffff
[87359.445545] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87359.454236]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87359.461321] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87359.470187]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87359.478428]  r4:94bf7d00
[87359.481196] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87359.489798] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87359.498288]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87359.504228] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87359.513173]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87359.521395] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87359.532277] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87359.543741]  r5:00000001 r4:94bb0000
[87359.548509] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87359.559246]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87359.566016] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87359.576708]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87359.584288] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87359.595534]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87359.602722] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87359.612994]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87359.621203]  r4:94b936a0
[87359.623974] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87359.632499]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87359.640699]  r4:94bf7d00
[87359.643467] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87359.651261]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87359.659501]  r4:00000000
[87359.662271] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87359.669878]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
[87370.255895] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87370.263092]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87370.269937] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87370.278258] kworker/0:2     D    0 15966      2 0x00000000
[87370.284319] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87370.290538] Backtrace:
[87370.293258] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87370.300707]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87370.308930]  r4:ffffe000
[87370.311708] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87370.319837]  r5:ffffe000 r4:7fffffff
[87370.323665] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87370.332361]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87370.339439] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87370.348293]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87370.356523]  r4:94bf7d00
[87370.359294] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87370.367881] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87370.376376]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87370.382317] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87370.391276]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87370.399491] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87370.410372] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87370.421838]  r5:00000001 r4:94bb0000
[87370.426591] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87370.437337]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87370.444109] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87370.454790]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87370.462353] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87370.473597]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87370.480776] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87370.491041]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87370.499262]  r4:94b936a0
[87370.502040] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87370.510570]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87370.518775]  r4:94bf7d00
[87370.521547] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87370.529336]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87370.537580]  r4:00000000
[87370.540366] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87370.547986]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
cc40
-sh: cc40: command not found
idh@colibri-imx6ull:~# [87370.537580]  r4:00000000
-sh: [87370.537580]: command not found
idh@colibri-imx6ull:~# [87370.537580]  r4:00000000[87381.133913] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87381.141111]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87381.147966] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87381.156283] kworker/0:2     D    0 15966      2 0x00000000
[87381.162281] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87381.168486] Backtrace:
[87381.171211] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87381.178660]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87381.186875]  r4:ffffe000
[87381.189650] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87381.197778]  r5:ffffe000 r4:7fffffff
[87381.201596] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87381.210348]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87381.217437] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87381.226293]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87381.234525]  r4:94bf7d00
[87381.237300] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87381.245892] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87381.254395]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87381.260332] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87381.269287]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87381.277508] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87381.288379] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87381.299845]  r5:00000001 r4:94bb0000
[87381.304622] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87381.315362]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87381.322137] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87381.332816]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87381.340389] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87381.351638]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87381.358831] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87381.369107]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87381.377327]  r4:94b936a0
[87381.380105] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87381.388629]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87381.396840]  r4:94bf7d00
[87381.399606] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87381.407400]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87381.415640]  r4:00000000
[87381.418404] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87381.426017]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40
                       ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:91189 errors:0 dropped:112 overruns:0 frame:0
          TX packets:6417 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:9279822 (8.8 MiB)  TX bytes:1014015 (990.2 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:165 errors:0 dropped:0 overruns:0 frame:0
          TX packets:165 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:17432 (17.0 KiB)  TX bytes:17432 (17.0 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# [87392.011911] INFO: task kworker/0:2:15966 blocked for more than 10 seconds.
[87392.019108]       Tainted: G           OE   4.9.220-2.8.7+g5722926 #4
[87392.025964] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[87392.034280] kworker/0:2     D    0 15966      2 0x00000000
[87392.040244] Workqueue: events mwifiex_sdio_work [mwifiex_sdio]
[87392.046448] Backtrace:
[87392.049172] [<80821208>] (__schedule) from [<80821840>] (schedule+0x44/0xa4)
[87392.056613]  r10:7fffffff r9:00000000 r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000
[87392.064831]  r4:ffffe000
[87392.067604] [<808217fc>] (schedule) from [<808247bc>] (schedule_timeout+0x1cc/0x274)
[87392.075738]  r5:ffffe000 r4:7fffffff
[87392.079555] [<808245f0>] (schedule_timeout) from [<808222f0>] (wait_for_common+0xc8/0x190)
[87392.088246]  r8:00000000 r7:00000002 r6:9407dd00 r5:ffffe000 r4:9407dcfc
[87392.095346] [<80822228>] (wait_for_common) from [<808223d0>] (wait_for_completion+0x18/0x1c)
[87392.104221]  r10:80d02d00 r9:80d0e784 r8:00000000 r7:97b98900 r6:97b95640 r5:94b936a0
[87392.112469]  r4:94bf7d00
[87392.115232] [<808223b8>] (wait_for_completion) from [<8013be7c>] (flush_work+0x138/0x19c)
[87392.123837] [<8013bd44>] (flush_work) from [<8013dc88>] (__cancel_work_timer+0x94/0x1ac)
[87392.132328]  r7:9407c000 r6:00000000 r5:94b936a0 r4:00000011
[87392.138275] [<8013dbf4>] (__cancel_work_timer) from [<8013ddb4>] (cancel_work_sync+0x14/0x18)
[87392.147233]  r9:00000001 r8:7f15f988 r7:94b93618 r6:94bb0000 r5:00000001 r4:94b93610
[87392.155444] [<8013dda0>] (cancel_work_sync) from [<7f18073c>] (mwifiex_cleanup_sdio+0x18/0x44 [mwifiex_sdio])
[87392.166318] [<7f180724>] (mwifiex_cleanup_sdio [mwifiex_sdio]) from [<7f12cc58>] (mwifiex_unregister+0x20/0xcc [mwifiex])
[87392.177782]  r5:00000001 r4:94bb0000
[87392.182590] [<7f12cc38>] (mwifiex_unregister [mwifiex]) from [<7f12e188>] (_mwifiex_fw_dpc+0x108/0x470 [mwifiex])
[87392.193344]  r7:94b93618 r6:94bb1000 r5:00000001 r4:94bb0000
[87392.200126] [<7f12e080>] (_mwifiex_fw_dpc [mwifiex]) from [<7f12e66c>] (mwifiex_reinit_sw+0x168/0x2c0 [mwifiex])
[87392.210811]  r8:ffffffe0 r7:94bb1000 r6:00000000 r5:94bb0058 r4:94bb0000
[87392.218402] [<7f12e504>] (mwifiex_reinit_sw [mwifiex]) from [<7f180c3c>] (mwifiex_sdio_work+0x4d4/0x7c8 [mwifiex_sdio])
[87392.229668]  r8:7f184124 r7:94b93610 r6:94bb0000 r5:943f0600 r4:00000000
[87392.237429] [<7f180768>] (mwifiex_sdio_work [mwifiex_sdio]) from [<8013d014>] (process_one_work+0x1f0/0x418)
[87392.247809]  r10:80d02d00 r9:00000000 r8:00000000 r7:97b98900 r6:97b95640 r5:94bf7d00
[87392.256049]  r4:94b936a0
[87392.258844] [<8013ce24>] (process_one_work) from [<8013e01c>] (worker_thread+0x68/0x5fc)
[87392.267391]  r10:80d02d00 r9:00000008 r8:ffffe000 r7:97b95658 r6:94bf7d18 r5:97b95640
[87392.275612]  r4:94bf7d00
[87392.278389] [<8013dfb4>] (worker_thread) from [<8014329c>] (kthread+0x110/0x118)
[87392.286190]  r10:00000000 r9:00000000 r8:8013dfb4 r7:94bf7d00 r6:9407c000 r5:94f0cc40
[87392.294437]  r4:00000000
[87392.297213] [<8014318c>] (kthread) from [<80107bb0>] (ret_from_fork+0x14/0x24)
[87392.304834]  r8:00000000 r7:00000000 r6:00000000 r5:8014318c r4:94f0cc40






<Reboot>





         Starting Permit User Sessions...
[   19.884992] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready
[  OK  ] Started NFS status monitor for NFSv2/3 locking..
         Starting Wait for Network to be Configured...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Hostname Service.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttymxc0.
[  OK  ] Reached target Login Prompts.
[   20.663685] Micrel KSZ8041 20b4000.ethernet-1:02: attached PHY driver [Micrel KSZ8041] (mii_bus:phy_addr=20b4000.ethernet-1:02, irq=-1)
[   20.686266] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   20.758040] dm9601 1-1.1.2:1.0 eth1: link up, 100Mbps, full-duplex, lpa 0xFFFF
[   20.812418] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[   21.074366] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready

.---O---.
|       |                  .-.           o o
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution colibri-imx6ull ttymxc0

Angstrom v2017.12 - Kernel 4.9.220-2.8.7+g5722926

Colibri-iMX6ULL_Console-Image 2.8b7 20200818

colibri-imx6ull login: [   22.724346] fec 20b4000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[   22.732687] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
root
Password:
Last login: Wed Sep 16 23:21:58 UTC 2020 from 192.168.1.131 on pts/0

^[[50;160Ridh@colibri-imx6ull:~# 0;160R
-sh: 0: command not found
-sh: 160R: command not found
idh@colibri-imx6ull:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:43 errors:0 dropped:0 overruns:0 frame:0
          TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4738 (4.6 KiB)  TX bytes:11847 (11.5 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:90 errors:0 dropped:0 overruns:0 frame:0
          TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:7140 (6.9 KiB)  TX bytes:7140 (6.9 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# pwd
/home/root
idh@colibri-imx6ull:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:83 errors:0 dropped:0 overruns:0 frame:0
          TX packets:93 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:10910 (10.6 KiB)  TX bytes:16690 (16.2 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:90 errors:0 dropped:0 overruns:0 frame:0
          TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:7140 (6.9 KiB)  TX bytes:7140 (6.9 KiB)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:~# cd /var/lib/connman/
idh@colibri-imx6ull:/var/lib/connman# ls
SSID-psk.config
ethernet_00142d62fc8e_cable
ethernet_00e04c534458_cable
settings
wifi_dcf50546e459_505245434550544845414c5448203547487a_managed_psk
wifi_dcf50546e659_505245434550544845414c5448203547487a_managed_psk
idh@colibri-imx6ull:/var/lib/connman# connmanctl scan wifi
Error /net/connman/technology/wifi: No carrier
idh@colibri-imx6ull:/var/lib/connman# connmanctl enable wifi
[  129.729917] IPv6: ADDRCONF(NETDEV_UP): mlan0: link is not ready
[  129.772380] IPv6: ADDRCONF(NETDEV_UP): uap0: link is not ready
Enabled wifi
idh@colibri-imx6ull:/var/lib/connman# [  130.575530] mwifiex_sdio mmc1:0001:1: info: trying to associate to 'PRECEPTHEALTH 5GHz' bssid f0:d1:a9:14:45:99
[  130.596101] mwifiex_sdio mmc1:0001:1: info: associated to bssid f0:d1:a9:14:45:99 successfully
[  130.658814] IPv6: ADDRCONF(NETDEV_CHANGE): mlan0: link becomes ready
ifconfig
eth0      Link encap:Ethernet  HWaddr 00:14:2D:62:FC:8E
          inet addr:192.168.1.150  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::214:2dff:fe62:fc8e%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:296 errors:0 dropped:0 overruns:0 frame:0
          TX packets:169 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:56270 (54.9 KiB)  TX bytes:27556 (26.9 KiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:4C:53:44:58
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1%1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:90 errors:0 dropped:0 overruns:0 frame:0
          TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:7140 (6.9 KiB)  TX bytes:7140 (6.9 KiB)

mlan0     Link encap:Ethernet  HWaddr DC:F5:05:46:E4:59
          inet addr:192.168.1.151  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::def5:5ff:fe46:e459%lo/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:42 errors:0 dropped:0 overruns:0 frame:0
          TX packets:62 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:10907 (10.6 KiB)  TX bytes:11456 (11.1 KiB)

uap0      Link encap:Ethernet  HWaddr DC:F5:05:46:E6:59
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

usb0      Link encap:Ethernet  HWaddr 00:14:2D:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

idh@colibri-imx6ull:/var/lib/connman# [  146.681935] ieee80211 phy0: mwifiex_cfg80211_sched_scan_start : Invalid Sched_scan parameters

Hi @HansKim72

Thanks for writing to the Toradex Support.

Bsp 2.8b5 is not supported any more. Could you update to the Bsp 2.8b7 or 3.0.4 and check if you still see this issue? Especially we introduced backports driver from newer kernel to Bsp 2.8b7 and Bsp 3.0.4.

Thanks and best regards,
Jaski