Wifi Acess point issue

Hi,

I am able to create Access point in the Wifi(SX-SDCAN2-2830) Qualcomm Atheros module.
But after some time Access point disappeared.

here is my hostapd.conf file
{
interface=wlan0

driver=nl80211

ssid=ATKM

hw_mode=g

channel=11

}

After that i am running hostapd -dd /etc/hostapd.conf

Here is my log

nl80211: Event message available
nl80211: Drv Event 19 (NL80211_CMD_NEW_STATION) received for wlan0
nl80211: New station 80:58:f8:9f:f6:c7
nl80211: Assoc Req IEs - hexdump(len=34): 00 07 4c 26 54 5f 49 56 49 01 08 82 84 8b 0c 12 96 18 24 32 04 30 48 60 6c dd 07 00 50 f2 00
wlan0: Event ASSOC (0) received
wlan0: STA 80:58:f8:9f:f6:c7 IEEE 802.11: associated
STA did not include WPS/RSN/WPA IE in (Re)AssocReq
New STA
ap_sta_add: register ap_handle_timer timeout for 80:58:f8:9f:f6:c7 (300 seconds - ap_max_inactivity)
nl80211: Set STA flags - ifname=wlan0 addr=80:58:f8:9f:f6:c7 total_flags=0x0 flags_or=0x0 flags_and=0xfffffff1 authorized=0
wlan0: AP-STA-CONNECTED 80:58:f8:9f:f6:c7
wlan0: STA 80:58:f8:9f:f6:c7 RADIUS: starting accounting session 6260B25B-00000001
IEEE 802.1X: Ignore STA - 802.1X not enabled or forced for WPS
hostapd_new_assoc_sta: reschedule ap_handle_timer timeout for 80:58:f8:9f:f6:c7 (300 seconds - ap_max_inactivity)

nl80211: Event message available
nl80211: Drv Event 16 (NL80211_CMD_STOP_AP) received for wlan0
wlan0: Event INTERFACE_UNAVAILABLE (29) received
Interface wlan0 is unavailable – stopped

nl80211: Event message available
nl80211: Drv Event 20 (NL80211_CMD_DEL_STATION) received for wlan0
nl80211: Delete station 50:8f:4c:80:2d:97
wlan0: Event DISASSOC (1) received
wlan0: STA 50:8f:4c:80:2d:97 IEEE 802.11: disassociated
wlan0: AP-STA-DISCONNECTED 50:8f:4c:80:2d:97
nl80211: sta_remove → DEL_STATION wlan0 50:8f:4c:80:2d:97 → 0 (Success)
hostapd_ht_operation_update current operation mode=0x0
hostapd_ht_operation_update new operation mode=0x0 changes=0
ap_free_sta: cancel ap_handle_timer for 50:8f:4c:80:2d:97

nl80211: Event message available
nl80211: Drv Event 20 (NL80211_CMD_DEL_STATION) received for wlan0
nl80211: Delete station 80:58:f8:9f:f6:c7
wlan0: Event DISASSOC (1) received
wlan0: STA 80:58:f8:9f:f6:c7 IEEE 802.11: disassociated
wlan0: AP-STA-DISCONNECTED 80:58:f8:9f:f6:c7
nl80211: sta_remove → DEL_STATION wlan0 80:58:f8:9f:f6:c7 → 0 (Success)
hostapd_ht_operation_update current operation mode=0x0
hostapd_ht_operation_update new operation mode=0x0 changes=0
ap_free_sta: cancel ap_handle_timer for 80:58:f8:9f:f6:c7

Which Toradex module are you using? What version of hardware and software? What is the output of

cat /etc/issue
uname -a