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

[Naresh Kamboju]

Regressions on qemu-i386 devices boot tests failed with defconfig on
the mainline master no console output.

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