Re: Bug#1108731: ffmpeg: Please disable ASM-based optimizations on ppc64 as well

Hi Sean,

On Tue, 2025-08-19 at 09:26 +0200, John Paul Adrian Glaubitz wrote:
> Hi,
> 
> On Mon, 2025-08-18 at 19:48 -0400, Sean McGovern wrote:
> > The failing 'checkasm-sw_yuv2rgb' test was new for FFmpeg 7.1 and
> > indeed I don't think that one is sporadic.
> > Unfortunately at the time, upstream was not running the test suite on
> > 32- or 64-bit PowerPC (or any big-endian configuration either).
> > 
> > 'checkasm-llauddsp' is the one that can fail sporadically and I
> > suspect it just doesn't run often enough to observe the failure on
> > buildd.
> > We see it very often upstream.
> 
> Could you disable the ASM stuff on ppc64 in any case for the time being?
> 
> It's really annoying having to manually build and upload ffmpeg for ppc64
> all the time to work around this problem.

The package again failed to build from source on ppc64 because of this bug:

https://buildd.debian.org/status/fetch.php?pkg=ffmpeg&arch=ppc64&ver=7%3A7.1.1-1%2Bb8&stamp=1756717384&raw=0

And I will have built it manually again. Can you please disable the ASM stuff
for ppc64 for the time being? It's better to have a slow ffmpeg package than
one that doesn't build at all.

Thanks,
Adrian

-- 
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