linux-kernel - Re: [Bug][5.18-rc0] Between commits ed4643521e6a and 34af78c4e616, appears warning "WARNING: CPU: 31 PID: 51848 at drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120" and some games stopped working.

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Date:   Wed, 11 May 2022 14:01:28 +0200
From:   Christian König <ckoenig.leichtzumerken@...il.com>
To:     Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
Cc:     Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>
Subject: Re: [Bug][5.18-rc0] Between commits ed4643521e6a and 34af78c4e616,
 appears warning "WARNING: CPU: 31 PID: 51848 at
 drivers/dma-buf/dma-fence-array.c:191 dma_fence_array_create+0x101/0x120" and
 some games stopped working.

Am 11.05.22 um 11:05 schrieb Mikhail Gavrilov:
> On Fri, Apr 15, 2022 at 1:04 PM Christian König
> <ckoenig.leichtzumerken@...il.com> wrote:
>> No, I just couldn't find time during all that bug fixing :)
>>
>> Sorry for the delay, going to take a look after the eastern holiday here.
>>
>> Christian.
> The message is just for history. The issue was fixed between
> b253435746d9a4a and 5.18rc4.

We have implemented a workaround, but still don't know the exact root cause.

If anybody wants to look into this it would be rather helpful to be able 
to reproduce the issue.

Regards,
Christian.