linux-kernel - Re: qemu-i386 boot failed on mainline master

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Message-ID: <CA+G9fYuHhz2YCafabKK+QMJiDuM65OcxpaW9TN-=u56r_kyGSA@mail.gmail.com>
Date: Wed, 2 Apr 2025 14:24:53 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>, 
	linux-mm <linux-mm@...ck.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Vinod Koul <vkoul@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	Arnd Bergmann <arnd@...db.de>, Dan Carpenter <dan.carpenter@...aro.org>, 
	Anders Roxell <anders.roxell@...aro.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: qemu-i386 boot failed on mainline master - no console output

+ Linus
+ Greg KH

On Wed, 2 Apr 2025 at 14:14, Naresh Kamboju <naresh.kamboju@...aro.org> 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@...aro.org>
>
> 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