[Bug][5.18-rc0] Between commits ed4643521e6a and 34af78c4e616, appears warning "WARNING: CPU: 31 PID: 51848 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120" and some games stopped working.
Mikhail Gavrilov
mikhail.v.gavrilov at gmail.com
Mon Oct 17 22:43:51 UTC 2022
On Wed, May 11, 2022 at 5:01 PM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
>
> We have implemented a workaround, but still don't know the exact root cause.
>
> If anybody wants to look into this it would be rather helpful to be able
> to reproduce the issue.
>
> Regards,
> Christian.
I see that issue was returned after this commit
dd80d9c8eecac8c516da5b240d01a35660ba6cb6 is the first bad commit
commit dd80d9c8eecac8c516da5b240d01a35660ba6cb6
Author: Christian König <christian.koenig at amd.com>
Date: Thu Jul 14 10:23:38 2022 +0200
drm/amdgpu: revert "partial revert "remove ctx->lock" v2"
This reverts commit 94f4c4965e5513ba624488f4b601d6b385635aec.
We found that the bo_list is missing a protection for its list entries.
Since that is fixed now this workaround can be removed again.
Signed-off-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 21 ++++++---------------
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 --
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h | 1 -
3 files changed, 6 insertions(+), 18 deletions(-)
The games Forza Horizon 4 and Cyberpunk 2077 again hangs at start.
--
Best Regards,
Mike Gavrilov.
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