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:   Fri, 15 Apr 2022 10:04:06 +0200
From:   Christian König <ckoenig.leichtzumerken@...il.com>
To:     Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
Cc:     Christian König <christian.koenig@....com>,
        thomas.hellstrom@...ux.intel.com,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        "Deucher, Alexander" <alexander.deucher@....com>, Ken.Xue@....com
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 15.04.22 um 07:38 schrieb Mikhail Gavrilov:
> On Sat, Apr 9, 2022 at 7:27 PM Christian König
> <ckoenig.leichtzumerken@...il.com> wrote:
>> That's unfortunately not the end of the story.
>>
>> This is fixing your problem, but reintroducing the original problem that
>> we call the syncobj with a lock held which can crash badly as well.
>>
>> Going to take a closer look on Monday. I hope you can test a few more
>> patches to help narrow down what's actually going wrong here.
>>
>> Thanks,
>> Christian.
>>
> Hi Christian.
> I'm sorry to trouble you.
> Have you forgotten about this issue?
>

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.