[vlc-devel] Defect #22230

[Ori Pessach]

Has anyone else been able to reproduce this using the code I provided?

--Ori

On Sat, May 4, 2019 at 12:44 PM Ori Pessach <mail at oripessach.com> wrote:

> I've seen this happen with five fewer than 18 instances, actually - as few
> as 2 or 3. I've also reproduced this on different graphics card (and hence,
> different drivers.)
>
> The code was written to use a large number of instances because it crashes
> faster.
>
> And yes, without hardware acceleration the code is stable. Or should I say
> - stabler. I'm chasing down other apparent race conditions in other areas
> of the code, but those are much harder to reproduce. I thought I'd start
> with an easy one. :)
>
> Ori
>
> On Fri, May 3, 2019 at 3:10 PM Sean McGovern <gseanmcg at gmail.com> wrote:
>
>> Hi Ori,
>>
>> I don't claim to be an expert on any of this but from just looking at
>> your sample code, are there any practical limitations of D3D11 that
>> creating 18 player instances would cause it to occasionally choke?
>>
>> Is it crash free without the hardware acceleration? Maybe you are hitting
>> a driver bug.
>>
>> Could it be a weird TOCTOU thing?
>>
>> -- Sean McGovern
>> *From:* mail at oripessach.com
>> *Sent:* May 3, 2019 11:10 AM
>> *To:* vlc-devel at videolan.org
>> *Reply-to:* vlc-devel at videolan.org
>> *Subject:* [vlc-devel] Defect #22230
>>
>> Hi,
>>
>> I was wondering if there's anything I can do to help triage and resolve
>> defect #22230 - the problem seems to be very repeatable in my tests, and my
>> test code is attached to the defect.
>>
>> Would it be helpful at all if I included the entire Visual Studio
>> solution with the test code?
>>
>> Thanks,
>>
>> Ori Pessach
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>
>
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