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#1 2018-07-03 18:04:55
- Michail
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- From: Moscow, Russia
- Registered: 2016-06-23
- Posts: 34
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Input devices randomly stop working
For a few weeks I've been encountering the following problem: both the keyboard and the mouse randomly stop working, but the rest of my installation continues to function normally - or, at least, mpd and sonata do - I can hear music and see sonata's popups when a new song begins. Unplugging and plugging back the keyboard (or a different one) doesn't help. Plugging in a different mouse resulted once in messages about new device being detected in the journal - not sure if it's reproducible or not, see below.
Before today, I didn't notice anything suspicious in journalctl logs, just some background clamav activity. But in the logs from the last such device failure about 19 hours of time are absent - and they should've been filled with mentioned clamav activity.
I suspect that it's hardware finally failing - the installation is old. I'm not sure how to approach this, though - this happens rarely, and when it does there's not much I can do beyond hitting reboot. What should I do to dissect this problem?
> Don't get impatient, you cannot solve problems by coding, you can only solve them by thinking.
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#2 2018-07-03 18:12:28
- jasonwryan
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- From: .nz
- Registered: 2009-05-09
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Re: Input devices randomly stop working
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#3 2018-07-07 16:17:25
- Michail
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- From: Moscow, Russia
- Registered: 2016-06-23
- Posts: 34
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Re: Input devices randomly stop working
OK, I finally had some time to peruse the link (thank you Jason). I've enabled debug output for both systemd and udev, will wait for the next onset to see if anything interesting turns up.
> Don't get impatient, you cannot solve problems by coding, you can only solve them by thinking.
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#4 2018-07-07 19:55:26
- Michail
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- From: Moscow, Russia
- Registered: 2016-06-23
- Posts: 34
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Re: Input devices randomly stop working
So it happened again. Here's a link to the journalctl output for the boot where the problem occured (partial, I assume from timestamps and the time I rebooted): link.
Environment: I was running X on the first terminal, and plain shell with tmux on the second (my usual setup, the same as all the previous times). Tor was on (was not in previous occurences). A video was being played (in firefox) (not sure). clamav was on (same). Several windows of qutebrowser were opened. mpd was on but paused.
What additional info do I need to provide that would help narrowing down the issue?
I'll also try to SSH into the box next time, not sure why it hasn't occured to me before.
> Don't get impatient, you cannot solve problems by coding, you can only solve them by thinking.
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