This patchset implements a request made by Xaver Hugl about wedge events: "I'd really like to have the PID of the client that triggered the GPU reset, so that we can kill it if multiple resets are triggered in a row (or switch to software rendering if it's KWin itself) and show a user-friendly notification about why their app(s) crashed, but that can be added later."
>From >https://lore.kernel.org/dri-devel/CAFZQkGwJ4qgHV8WTp2=svJ_VXhb-+Y8_VNtKB=jlsk6dqmy...@mail.gmail.com/ For testing, I've used amdgpu's debug_mask options debug_disable_soft_recovery and debug_disable_gpu_ring_reset to test both wedge event paths in the driver. To trigger a ring timeout, I've used this app: https://gitlab.freedesktop.org/andrealmeid/gpu-timeout Thanks! Changelog: v4: - Change from APP to TASK - Add defines for event_string and pid_string length v3: - Make comm_string and pid_string empty when there's no app info - Change "app that caused ..." to "app involved ..." - Clarify that devcoredump have more information about what happened v2: - Rebased on top of drm/drm-next - Added new patch for documentation André Almeida (3): drm: Create an app info option for wedge events drm/doc: Add a section about "App information" for the wedge API drm/amdgpu: Make use of drm_wedge_app_info Documentation/gpu/drm-uapi.rst | 17 +++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 +++++++++++++++++-- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 6 +++++- drivers/gpu/drm/drm_drv.c | 16 ++++++++++++---- drivers/gpu/drm/i915/gt/intel_reset.c | 3 ++- drivers/gpu/drm/xe/xe_device.c | 3 ++- include/drm/drm_device.h | 11 +++++++++++ include/drm/drm_drv.h | 3 ++- 8 files changed, 68 insertions(+), 10 deletions(-) -- 2.49.0
