Hello all I found the NM didn't trigger scan_done probabilistically after S3 or S4 resume . I traced the NM do_sleep_wake is normal and trigger scan by dbus to wpa ,the wpa push scan result to dbus. but NM didn't trigger scan_done signal and fetch scan result on dbus. and I debug the device state change swap found the normal has complete whole state switch but abnormal device state changed was broken.
## LOG ### Abnormal: NetworkManager[3449]: <info> [1612253858.5131] device (wlan0): device changed state 10 old_state 30 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253858.6840] device (wlan0): device changed state 20 old_state 10 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253858.9756] device (wlan0): device changed state 30 old_state 20 src/devices/nm-device.c The changed link: 30->10->20->30 ### Normal: NetworkManager[3449]: <info> [1612253208.4739] device (wlan0): device changed state 10 old_state 100 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253208.7593] device (wlan0): device changed state 20 old_state 10 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253209.0477] device (wlan0): device changed state 30 old_state 20 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.1055] device (wlan0): device changed state 40 old_state 30 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.1062] device (wlan0): device changed state 50 old_state 40 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.1067] device (wlan0): device changed state 60 old_state 50 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.1470] device (wlan0): device changed state 40 old_state 60 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.1488] device (wlan0): device changed state 50 old_state 40 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.2118] device (wlan0): device changed state 70 old_state 50 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.2437] device (wlan0): device changed state 80 old_state 70 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.2475] device (wlan0): device changed state 90 old_state 80 src/devices/nm-device.c NetworkManager[3449]: <info> [1612253210.2483] device (wlan0): device changed state 100 old_state 90 src/devices/nm-device.c The changed link: 100->10->20->30->40->50->60->70->80->90->100 Could you tell me where NM got the signal and what it working for ?
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