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Re: system lock up, not sure if related to "your system is too slow"

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On 2022-03-07 20:55:52 -0500, songbird wrote:
>   right now it locks solid and i can't get a core file at all.
> all my log files are not giving me any clues either the Xorg
> one is the only one that's telling me anything relating to
> what is happening (some kind of IO issue).
> 
>   it happens when i'm typing, not at other times.  it might
> only be typing in the browser (firefox).  i'm not sure if the
> issue is the keyboard driver, the USB subsystems or xorg stuff
> or the browser and i'm not sure how to get it isolated.  any
> tips would be greatly appreciated.  :)

First, you need to make sure that the lockup isn't due to memory usage
(if you have swap). You can limit the memory used by a process, e.g.
firefox with "ulimit -v ..." before executing firefox in a wrapper.

Other than that, firefox shouldn't be able to lock up the whole system
(even though the issue would be visible only with firefox, the actual
issue would be somewhere else, probably a kernel or hardware bug).

You can install atop and use it with a small interval to detect
a potential abnormal increase of resource usage before the lockup
occurs.

>   all my drives are SSD and they seem to not be having trouble
> recovering from the lockups when i restart the machine but it
> would be nice to have some more detailed logs of what is going
> on and those would need to be sync'd to make sure i'm catching
> them completely, but that's better than the nothing i'm coming
> up with now for figuring this out.  :)

I fear for such kind of issues, the logs will not tell you more.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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Thread

system lock up, not sure if related to "your system is too slow" songbird <songbird@anthive.com> - 2022-03-06 13:20 +0100
  Re: system lock up, not sure if related to "your system is too slow" Vincent Lefevre <vincent@vinc17.net> - 2022-03-07 18:10 +0100
    Re: system lock up, not sure if related to "your system is too slow" songbird <songbird@anthive.com> - 2022-03-08 03:20 +0100
      Re: system lock up, not sure if related to "your system is too slow" Vincent Lefevre <vincent@vinc17.net> - 2022-03-09 11:20 +0100
        Re: system lock up, not sure if related to "your system is too slow" songbird <songbird@anthive.com> - 2022-03-09 14:20 +0100

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