linux-kernel - Failed to create a rescuer kthread for the amdgpu-reset-dev workqueue

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Date: Fri, 12 Jan 2024 09:11:32 +0100
From: Thomas Perrot <thomas.perrot@...tlin.com>
To: alexander.deucher@....com, christian.koenig@....com, Xinhui.Pan@....com,
  lijo.lazar@....com, kenneth.feng@....com, guchun.chen@....com,
 evan.quan@....com,  srinivasan.shanmugam@....com
Cc: Thomas Perrot <thomas.perrot@...tlin.com>,
 amd-gfx@...ts.freedesktop.org,  dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org
Subject: Failed to create a rescuer kthread for the amdgpu-reset-dev
 workqueue

Hello,

We are updating the kernel from the 6.1 to the 6.6 and we observe an
amdgpu’s regression with Radeon RX580 8GB and SiFive Unmatched:
“workqueue: Failed to create a rescuer kthread for wq 'amdgpu-reset-
dev': -EINTR
[drm:amdgpu_reset_create_reset_domain [amdgpu]] *ERROR* Failed to
allocate wq for amdgpu_reset_domain!
amdgpu 0000:07:00.0: amdgpu: Fatal error during GPU init
amdgpu 0000:07:00.0: amdgpu: amdgpu: finishing device.
amdgpu: probe of 0000:07:00.0 failed with error -12”

We tried to figure it out without success for the moment, do you have
some advice to identify the root cause and to fix it?

Kind regards,
Thomas Perrot

-- 
Thomas Perrot, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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