APPLIED[F/Unstable]: [SRU][F/U/OEM-5.6][PATCH 0/1]UBUNTU: SAUCE: Fix amdgpu hang during acpi event

Seth Forshee seth.forshee at canonical.com
Tue Apr 7 19:53:06 UTC 2020


On Tue, Apr 07, 2020 at 04:23:30PM +0800, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1871316
> 
> [Impact]
> On new amdgpu ARCTURUS and RENOIR, system got call trace and hang
> because of some acpi events.
> 
> [Fix]
> This is a kernel NULL pointer bug.
> Check for NULL pointers before calling.
> 
> [Test]
> Verified on hw, amdgpu works fine.
> 
> [Regression Potential]
> Low, it's safe to check NULL pointers.
> 
> This new amdgpu is supported since 5.4, no need for lower version
> kernel.
> Please use git am -3 to apply.

Applied to focal/master-next and unstable/master, thanks!



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