Bug#976684: regression: leela-zero fails to start with current Mesa, but previously worked
As stated in the forwarded upstream bug report, they have a hacky workaround:
https://gitlab.freedesktop.org/airlied/mesa/-/commit/4e1eb5f5b95141b93ea3da9369a193237bc2f92d
They do not want to merge it as-is, as they want to think about the proper solution first (details in the bug report).
However I don't see that it could cause any harm, it makes something that is broken work again - could you please apply it in the Debian package?
Best,
Ximin
Ximin Luo:
> Control: forwarded -1 https://gitlab.freedesktop.org/mesa/mesa/-/issues/3946
>
> Timo Aaltonen:
>> [..]
>>>
>>> Despite the presence of CLOVER_DEBUG=llvm,native CLOVER_DEBUG_FILE=dump-file there were
>>> no dump-files dumped by the above leelaz command, maybe you can deduce something from that.
>>> Let me know if I can run anything else to provide further information.
>>>
>>> For the time being I am using the proprietary AMD OpenCL lib as described in #976295.
>>>
>>> Ximin
>>
>> What was the previous version of mesa? Regressions should be filed upstream too.
>>
>
> 18.1 worked, can't remember if 19 did or not.
>
> I narrowed down the problem further: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3946
>
> Something to do with cl-denorms-are-zero but previous versions of mesa recognised it fine.
>
> X
>
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