Messages in this thread | | | Date | Fri, 14 Jul 2023 09:52:24 +0200 | Subject | Re: [PATCH v2 4/6] drm/amdgpu: Limit info in coredump for kernel threads | From | Christian König <> |
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Am 13.07.23 um 23:32 schrieb André Almeida: > If a kernel thread caused the reset, the information available to be > logged will be limited, so return early in the dump function.
Why? The register values and vram lost state should still be valid.
Christian.
> > Signed-off-by: André Almeida <andrealmeid@igalia.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index e80670420586..07546781b8b8 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -4988,10 +4988,14 @@ static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset, > drm_printf(&p, "kernel: " UTS_RELEASE "\n"); > drm_printf(&p, "module: " KBUILD_MODNAME "\n"); > drm_printf(&p, "time: %lld.%09ld\n", coredump->reset_time.tv_sec, coredump->reset_time.tv_nsec); > - if (coredump->reset_task_info.pid) > + if (coredump->reset_task_info.pid) { > drm_printf(&p, "process_name: %s PID: %d\n", > coredump->reset_task_info.process_name, > coredump->reset_task_info.pid); > + } else { > + drm_printf(&p, "GPU reset caused by a kernel thread\n"); > + return count - iter.remain; > + } > > if (coredump->reset_vram_lost) > drm_printf(&p, "VRAM is lost due to GPU reset!\n");
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