[TriLUG] Strange lockups on Fedora

[Roger W. Broseus via TriLUG]

Be sure to kill phantom processes / lingering Firefox stuff.

--
Roger W. Broseus - Linux User
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On 01/25/2018 05:56 PM, Nathan Yinger via TriLUG wrote:
> Got home from work and it was locked up again. Oddly, the mouse cursor
> still moved, nothing else updated on the screen. The clock showed 13:24, so
> it had been frozen for a few hours. After killing Xorg, the mouse cursor no
> longer moved.
>
> Looking in top, I saw that the largest CPU user was one of Firefox's 'Web
> Content' processes, which was very consistently using 5% CPU. Maybe
> something in the new Firefox?
>
> I wasn't sure how to reload the amdgpu module, since it was in use by 36
> other modules.
>
> Tonight/tomorrow I will try leaving it on without Firefox running.
>
> On Wed, Jan 24, 2018 at 10:58 PM, Nathan Yinger <npyinger at ncsu.edu> wrote:
>
>> Tried running top, but CPU was mostly idle.
>>
>> I'll collect logs and look at the kernel modules next time it happens...
>>
>> On Wed, Jan 24, 2018 at 7:28 PM, Bill Farrow via TriLUG <trilug at trilug.org
>>> wrote:
>>> If your screen wasn't frozen after killing Xorg, I would have
>>> suggested that your USB may have done something weird, killing both
>>> your mouse and keyboard... But this sounds like a graphics card or
>>> driver lockup. Try reloading the various graphics related modules in
>>> your kernel.
>>>
>>> Any error messages in "dmesg" or syslog ?
>>>
>>> Bill
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>>