Hopefully helpful, hopefully this isn't a red herring, but it sure seems
suspicious timing:
[ 113.249890] rfkill: input handler disabled
[ 242.742392] INFO: task kworker/u16:3:110 blocked for more than 120 seconds.
[ 242.742399] Not tainted 5.4.0-58-generic #64-Ubuntu
[ 242.742401] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 242.742404] kworker/u16:3 D 0 110 2 0x80004000
[ 242.742451] Workqueue: events_power_efficient reg_check_chans_work [cfg80211]
[ 242.742454] Call Trace:
[ 242.742465] __schedule+0x2e3/0x740
[ 242.742472] ? __update_load_avg_cfs_rq+0x212/0x2f0
[ 242.742476] schedule+0x42/0xb0
[ 242.742480] schedule_preempt_disabled+0xe/0x10
[ 242.742484] __mutex_lock.isra.0+0x182/0x4f0
[ 242.742490] __mutex_lock_slowpath+0x13/0x20
[ 242.742493] mutex_lock+0x2e/0x40
[ 242.742498] rtnl_lock+0x15/0x20
[ 242.742526] reg_check_chans_work+0x2f/0x3b0 [cfg80211]
[ 242.742533] process_one_work+0x1eb/0x3b0
[ 242.742537] worker_thread+0x4d/0x400
[ 242.742541] kthread+0x104/0x140
[ 242.742544] ? process_one_work+0x3b0/0x3b0
[ 242.742547] ? kthread_park+0x90/0x90
[ 242.742551] ret_from_fork+0x35/0x40
** Changed in: linux (Ubuntu)
Status: Fix Released => Confirmed
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https://bugs.launchpad.net/bugs/1907984
Title:
Wifi and ethernet not working anymore since 5.4.0-54
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