On 2017-12-18 08:01 PM, Tobias Klausmann wrote:
> On 12/18/17 7:06 PM, Mike Galbraith wrote:
>> Greetings,
>>
>> Kernel bound workloads seem to trigger the below for whatever reason.
>> I only see this when beating up NFS. There was a kworker wakeup
>> latency issue, but with a bandaid applied to fix that up, I can still
>> trigger this.
>
>
> Hi,
>
> i have seen this one as well with my system, but i could not find an
> easy way to trigger it for bisecting purpose. If you can trigger it
> conveniently, a bisect would be nice!
I'm seeing this (with the amdgpu and radeon drivers) when restic takes a
backup, creating memory pressure. I happen to have just finished
bisecting, the result is:
648bc3574716400acc06f99915815f80d9563783 is the first bad commit
commit 648bc3574716400acc06f99915815f80d9563783
Author: Christian König <christian.koenig@xxxxxxx>
Date: Thu Jul 6 09:59:43 2017 +0200
drm/ttm: add transparent huge page support for DMA allocations v2
Try to allocate huge pages when it makes sense.
v2: fix comment and use ifdef
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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