On 5/29/26 11:23 AM, Alexander Kanavin wrote:
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On Fri, 29 May 2026 at 16:45, Quan Sun via lists.openembedded.org
<[email protected]> wrote:
glx: failed to create dri3 screen
failed to load driver: vgem
https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/3924
https://autobuilder.yoctoproject.org/valkyrie/#/builders/48/builds/3786
Can you have a look at the issue?
It seems this issue is not caused by the qemu upgrade. I also asked an
AI agent to carefully examine the build/test logs, and the following is
what it says:
Unfortunately AI has produced a total hallucination in its analysis,
because it looks only at the build log given to it, not at the actual
change that is being tested (e.g. it wouldn't see in that log that
there is a qemu update, and it wouldn't go and analyse the qemu own
changelog and commit history, and it wouldn't run the same test
against qemu 10.x to narrow it down and so on).
I went and tried this test with qemu 10.x on the same host, and it
passes just fine:
https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/3928
Then I cherry picked the qemu 11.x patch, and the test then fails:
https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/3930
It's still possible something is misconfigured on the host (it runs
tiger vnc standalone server to allow X clients such as qemu to render
into it), but the issue is clearly triggered by the version upgrade.
Alex
Hi Alex,
I looked at your test logs and not sure if you performed the test by
really using the qemu 11.0.0. (Note the QEMU binary used in the test was
built from sstate cache (1851 of
1852 tasks were cached —
Sstate summary: Wanted 187 Local 187 ... 100% match, 100% complete),
meaning it may have used
whatever QEMU version is already in master's sstate, not a freshly-built
QEMU 11.0 ?)
Regardless of the AI agent, but the earlier test really failed on the
worker ubuntu2510-vk-1 because that host lacks GPU/DRI3 drivers. Have
you performed your test on this worker ubuntu2510-vk-1 ?
Thanks,
Quan
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