Apparently, somehow the channel switch is fatal:
wlp2s0: driver channel switch failed, disconnecting
** Description changed:
Ubuntu Mate 20.04, with all supplied kernels up to 5.4.0.33
I occasionally see a message on my screen that disk space is low. I try
rebooting since my computer is
** Attachment added: "excerpt of kern.log when the event occurs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881214/+attachment/5379966/+files/kern.log
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** Attachment added: "exerpt of syslog when the evnt starts"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881214/+attachment/5379967/+files/syslog
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I think I can tell more about the circumstances:
1* My computer is connected by Wifi to the modem / router on the 5 GHz band,
(let's say) canal 100.
2* After a certain amount of time, the router switches *itself* the canal to 36
or 52.
This amount of time is vary variable and independent of
same here, on two machines; one with
02:00.0 Network controller: Intel Corporation Dual Band Wireless-AC
3168NGW [Stone Peak] (rev 10)
and the other with:
08:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
the syslog is full of messages like this:
WARNING: CPU: 0 PID:
Unlike what I thought or hoped, using an upstream kernel (5.4.43-050443-generic
x86_64) is not a workaround.
I just had the same issue again.
** Description changed:
Ubuntu Mate 20.04, with all supplied kernels up to 5.4.0.33
I occasionally see a message on my screen that disk space is
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1881214
Title:
syslog and kern.log grow endlessly - related to Intel wifi?
Status in linux
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