linux-kernel - Fast model boot failure with Linux next-20250312

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Message-ID: <CA+G9fYvPu+MQKhYyPZSSDpAn-zhRGmeHQ8hJksT_cdDdxfbB-g@mail.gmail.com>
Date: Wed, 19 Mar 2025 20:07:47 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux ARM <linux-arm-kernel@...ts.infradead.org>, kvmarm@...ts.linux.dev
Cc: Anshuman Khandual <anshuman.khandual@....com>, Rob Herring <robh@...nel.org>, 
	Catalin Marinas <catalin.marinas@....com>, Mark Brown <broonie@...nel.org>, 
	Aishwarya TCV <aishwarya.tcv@....com>, Anders Roxell <anders.roxell@...aro.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Arnd Bergmann <arnd@...db.de>
Subject: Fast model boot failure with Linux next-20250312

Regressions on the arm64 Fast Model (FVP-AEMvA) caused boot failures starting
with Linux next-20250312 and persisting through next-20250319.

First seen on the next-20250312
 Good: next-20250311
 Bad:  next-20250312 .. next-20250319

Regressions found on FVP:
 - boot

Regression Analysis:
 - New regression? Yes
 - Reproducible? Yes

Boot regression: Fast model boot failure with Linux next-20250312
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Anders bisected this to this commit id,

# first bad commit:
  [858c7bfcb35e1100b58bb63c9f562d86e09418d9]
  arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9

NOTE:
  LKFT is currently running FVP Fast Models version 11.24.
  Planned upgrade to the Fast Models version 11.28 in this sprint.

## Boot log
  <No crash log on the console>

## Source
* Kernel version: 6.14.0-rc7
* Git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
* Git sha: ff7f9b199e3f4cc7d61df5a9a26a7cbb5c1492e6
* Git describe: next-20250319
* Project details:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250319
* DUT: arm64 Fast Model (FVP-AEMvA)
* Toolchains: gcc-13 and clang-20

## Build
* Build log: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250319/testrun/27675691/suite/boot/test/gcc-13-lkftconfig/log
* Build history:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250319/testrun/27675685/suite/boot/test/gcc-13-lkftconfig/history/
* Build details:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250319/testrun/27675691/suite/boot/test/gcc-13-lkftconfig/
* Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2uX2EtC2pQdmVZ7ccoyhoi01Yy0/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2uX2EtC2pQdmVZ7ccoyhoi01Yy0/config

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