Matthew,
Your patched 6.8.0-38 kernel appears to have resolved the issue. I will
be performing additional tests over the weekend, but the ffmpeg
transcodes that had failed with the production 6.8.0-38 are now working.
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It looks like 6.8.0-43 will include both patches that fix this issue.
Feel free to correct me if I'm reading this wrong.
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/noble/commit/?h=Ubuntu-6.8.0-43.43&id=9098158788f5884755a8d1523055209f7b2d73e0
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I will test out -43 when I get home tonight.
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https://bugs.launchpad.net/bugs/2072755
Title:
i915: Fixup regressions introduced with enabling single CCS engine
To manage notifications
I have confirmed that ffmpeg transcoding on my Arc A380 works with
6.8.0-43. I tested multiple scenarios that failed on 6.8.0-38 now work
on 43.
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https://bugs.launchpad.net/bugs/2072755
ffmpeg and transcoding can still work with the bugged kernels. I was
only able to trigger the bug when rescaling the output resolution.
Transcoding a 1080P input to 720P output, for example. But transcoding
without rescaling still worked.
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