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Looks like you are still running this without the latest hang fix since i see the deadlock again, but actually what i forgot to ask you is to load amdgpu with vm_fault_stop=2 to freeze the ASIC once VM_FAULT is encountered - sorry about that. So please retest
with amdgpu.vm_fault_stop=2 parameter in GRUB loader.
Andrey
On 2/13/19 3:08 PM, Mikhail Gavrilov wrote:
On Wed, 13 Feb 2019 at 23:40, Grodzovsky, Andrey < Andrey.Grodzovsky@xxxxxxx> wrote:
>
> Regarding the original VM_FAULT we can try to debug that a bit to - enable this from trace-cmd
>
> sudo trace-cmd start -e dma_fence -e gpu_scheduler -e amdgpu -v -e "amdgpu:amdgpu_mm_rreg" -e "amdgpu:amdgpu_mm_wreg" -e "amdgpu:amdgpu_iv"
>
> and when the hang happens
>
> as root
> cd /sys/kernel/debug/tracing && cat trace > event_dump
>
> + as usual would be nice to have the relevant wave dump and registers from UMR + dmesg.
>
> Andrey
Just in case, I duplicated all the files on the file sharing service Mega:
--
Best Regards,
Mike Gavrilov.
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