Re: [Bug 199965] New: Memory management: BUG in kernel_restart

From: Mateusz Lenik
Date: Sun Jun 10 2018 - 02:54:09 EST

On Sat, Jun 09, 2018 at 04:07:26PM +0200, Greg Kroah-Hartman wrote:
> Here's the full callstack, but yeah, it's not very obvious as to what
> device is having the problem, which isn't good. I don't know what to
> suggest here.

I think it is related to amdgpu -- when the script that unbinds the
second GPU from host is not executed, there are no issues during reboot.

I found out that amdgpu leaves i2c-dev and hwmon device nodes after
unbind, which seems to be a bug in that driver. In 4.16, it only left
stale hwmon node.



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