Re: qemu-i386 boot failed on mainline master - no console output

From: Naresh Kamboju
Date: Wed Apr 02 2025 - 04:55:12 EST


+ Linus
+ Greg KH

On Wed, 2 Apr 2025 at 14:14, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> Regressions on qemu-i386 devices boot tests failed with defconfig on
> the mainline master no console output.
>

The qemu-i386 boot failed with no console output and is still happening on
the latest mainline master branch.

> First seen on the char-misc-6.15-rc1 merge 25601e85441d ("Merge tag
> 'char-misc-6.15-rc1' of...)
> Good: [08733088b566b58283f0f12fb73f5db6a9a9de30] Merge tag
> 'rust-fixes-6.15-merge'
> Bad: [91e5bfe317d8f8471fbaa3e70cf66cae1314a516] Merge tag 'dmaengine-6.15-rc1'
>
> * qemu-i386
> - boot
>
> Regression Analysis:
> - New regression? Yes
> - Reproducibility? Yes
>
> Test regression: qemu-i386 boot failed on mainline master
> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
>
> Anders bisected this to,
> # first bad commit:
> [eb0ece16027f8223d5dc9aaf90124f70577bd22a]
> Merge tag 'mm-stable-2025-03-30-16-52' of
> git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
>
> ## Test log
> <No console output.>
>
> ## Source
> * Kernel version: 6.14.0
> * Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> * Git sha: 91e5bfe317d8f8471fbaa3e70cf66cae1314a516
> * Git describe: v6.14-12245-g91e5bfe317d8
>
> ## Test
> * Test log: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/anders/tests/2vAGjk1bqJ8kqDGEyo2jXerYOcR/logs?format=txt
> * Build link: https://storage.tuxsuite.com/public/linaro/anders/builds/2vAGjX8EjBsjTTOgIxZswnitDbF/
> * Kernel config:
> https://storage.tuxsuite.com/public/linaro/anders/builds/2vAGjX8EjBsjTTOgIxZswnitDbF/config
>
> --
> Linaro LKFT
> https://lkft.linaro.org