linux-kernel - Qemu v9.0.2: Boot failed qemu-arm with Linux next-20241017 tag.

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Message-ID: <CA+G9fYt86bUAu_v5dXPWnDUwQNVipj+Wq3Djir1KUSKdr9QLNg@mail.gmail.com>
Date: Fri, 18 Oct 2024 12:35:13 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, 
	Linux ARM <linux-arm-kernel@...ts.infradead.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>, qemu-devel@...gnu.org
Cc: Arnd Bergmann <arnd@...db.de>, Mark Brown <broonie@...nel.org>, 
	Catalin Marinas <catalin.marinas@....com>, Aishwarya TCV <Aishwarya.TCV@....com>, 
	Peter Maydell <peter.maydell@...aro.org>, Alex Bennée <alex.bennee@...aro.org>, 
	Anders Roxell <anders.roxell@...aro.org>
Subject: Qemu v9.0.2: Boot failed qemu-arm with Linux next-20241017 tag.

The QEMU-ARMv7 boot has failed with the Linux next-20241017 tag.
The boot log is incomplete, and no kernel crash was detected.
However, the system did not proceed far enough to reach the login prompt.

Please find the incomplete boot log links below for your reference.
The Qemu version is 9.0.2.
The arm devices TI beaglebone x15 boot pass.

This is always reproducible.
First seen on Linux next-20241017 tag.
  Good: next-20241016
  Bad: next-20241017

qemu-armv7:
  boot:
    * clang-19-lkftconfig
    * gcc-13-lkftconfig
    * clang-nightly-lkftconfig

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Boot log:
-------
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 6.12.0-rc3-next-20241017
(tuxmake@...make) (arm-linux-gnueabihf-gcc (Debian 13.3.0-5) 13.3.0,
GNU ld (GNU Binutils for Debian) 2.43.1) #1 SMP @1729156545
[    0.000000] CPU: ARMv7 Processor [414fc0f0] revision 0 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
[    0.000000] OF: fdt: Machine model: linux,dummy-virt
[    0.000000] random: crng init done
[    0.000000] earlycon: pl11 at MMIO 0x09000000 (options '')
[    0.000000] printk: legacy bootconsole [pl11] enabled
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Size (0x04000000) of region at 0x00000000 exceeds
limit (0x00000000)
[    0.000000] cma: Failed to reserve 64 MiB on node -1

<nothing after this>

Boot log link,
-----
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241017/testrun/25476340/suite/boot/test/clang-19-lkftconfig/log
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241017/testrun/25476340/suite/boot/test/clang-19-lkftconfig/details/

Build images:
------
 - https://storage.tuxsuite.com/public/linaro/lkft/tests/2nYi2nidfMq35VigDlxJblZzokr/

Steps to reproduce via qemu:
----------------
/usr/bin/qemu-system-arm -cpu cortex-a15 \
          -machine virt,gic-version=3 \
          -nographic -nic none -m 4G -monitor \
          none -no-reboot -smp 2 \
          -kernel zImage \
          -append \"console=ttyAMA0,115200 rootwait root=/dev/vda
debug verbose console_msg_format=syslog systemd.log_level=warning rw
earlycon\"
          -drive
file=debian_trixie_armhf_rootfs.ext4,if=none,format=raw,id=hd0 \
          -device virtio-blk-device,drive=hd0

Steps to reproduce with tuxrun reproducer:
---------------
- https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2nYi2nidfMq35VigDlxJblZzokr/reproducer

Boot history compare link:
------------------------
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241017/testrun/25476340/suite/boot/test/clang-19-lkftconfig/history/

metadata:
----
  git describe: next-20241017
  git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
  git sha: 7df1e7189cecb6965ce672e820a5ec6cf499b65b
  kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/tests/2nYi2nidfMq35VigDlxJblZzokr/config
  build url: https://storage.tuxsuite.com/public/linaro/lkft/tests/2nYi2nidfMq35VigDlxJblZzokr/
  toolchain: clang-19, gcc-13 and clang-nightly
  config: lkftconfig
  arch: arm

--
Linaro LKFT
https://lkft.linaro.org