Dear Thomas,
On 07/19/18 15:48, Thomas Gleixner wrote:
> On Thu, 19 Jul 2018, Paul Menzel wrote:
>
>> I had to copy the files, and then was able to create an archive with
>> non-zero files. Please find the tar archive attached.
>
> Thanks for providing the data. All looks normal there.
Thank you for verifying that.
> Just for clarification. Did this happen exactly once, or did it just not
> happen again after you plugged in a serial cable?
The kernel also panics sometimes when loading the amdgpu module [1]. Before
using the serial console it crashed often, but I do *not* know the reason.
After connecting the serial console, the problem only happened exactly
once.
> One thing you might try is to disable irqbalanced when the machine is up
> and then stress the affinity setter mechanism with scripting.
>
> Something like
>
> while true; do
> for I in {0..3}; do echo $I > /proc/irq/$IRQ/smp_affinity_list; done
> done
>
> might be able to trigger it. But don't ask me which interrupt was involved,
> so you have to iterate through the ones which are MSI based.
>
> 'cat /proc/interrupt | grep MSI' will tell you.
Thank you. I guess I’ll use the machine for some time, and observe if the
problem shows up again.
Thank you very much for your awesome help.
Kind regards,
Paul
[1]: https://bugs.freedesktop.org/show_bug.cgi?id=105684
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