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

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Hi Luis,

please enable kmemleak in your build and watch out for any suspicious 
messages in the system log.

Regards,
Christian.

Am 02.02.2018 um 00:03 schrieb Luís Mendes:
> Hi Alexander,
>
> I didn't notice improvements on this issue with that particular patch
> applied. It still ends up failing to allocate kernel memory after a
> few hours of uptime with Xorg.
>
> I will try to upgrade to mesa 18.0.0-rc3 and to amd-staging-drm-next
> head, to see if the issue still occurs with those versions.
>
> If you have additional suggestions I'll be happy to try them.
>
> Regards,
> Luís Mendes
>
> On Thu, Feb 1, 2018 at 2:30 AM, Alex Deucher <alexdeucher at gmail.com> wrote:
>> 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
>>> <>
>>>>> __________________
>>> _______________________________________________
>>> amd-gfx mailing list
>>> amd-gfx at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>>>
> _______________________________________________
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> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx



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