Deadlocks with multiple applications on AMD RX 460 and RX 550 - Update 2

[Alex Deucher]

On Wed, Jan 31, 2018 at 6:57 PM, Luís Mendes <luis.p.mendes at gmail.com> wrote:
> Hi everyone,
>
> I am getting a new issue with amdgpu with RX460, that is, now I can
> play any videos with Kodi or play web videos with firefox and run
> OpenGL applications without running into any issues, however after
> some uptime with XOrg even when almost inactive I get a kmalloc
> allocation failure, normally followed by a GPU hang a while after the
> the allocation failure.
> I had a terminal window under Ubuntu Mate 17.10 and I was compiling
> code when I got the kernel messages that can be found in attachment.
>
> I am using the kernel as identified on my previous email, which can be
> found below.

does this patch help?
https://patchwork.freedesktop.org/patch/198258/

Alex

>
> Regards,
> Luís Mendes
>
> On Wed, Jan 31, 2018 at 12:47 PM, Luís Mendes <luis.p.mendes at gmail.com> wrote:
>> Hi Alexander,
>>
>> I've cherry picked the patch you pointed out into kernel from
>> amd-drm-next-4.17-wip at commit
>> 9ab2894122275a6d636bb2654a157e88a0f7b9e2 ( drm/amdgpu: set
>> DRIVER_ATOMIC flag early) and tested it on ARMv7l and the problem has
>> gone indeed.
>>
>>
>>Working great on ARMv7l with AMD RX460.
>>
>>Thanks,
>>Luís Mendes
>>
>>
>>On Tue, Jan 30, 2018 at 6:44 PM, Deucher, Alexander
>><Alexander.Deucher at amd.com> wrote:
>>> Fixed with this patch:
>>>
>>> https://lists.freedesktop.org/archives/amd-gfx/2018-January/018472.html
>>>
>>>
>>> Alex
> <>
>>> __________________
>
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