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

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Message-ID: <CA+G9fYuw_jXCz07Dsk46QXQr3+y5-NfkC30ZNh+XmyeWgibQhA@mail.gmail.com>
Date: Thu, 20 Mar 2025 16:03:32 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Mark Rutland <mark.rutland@....com>
Cc: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux ARM <linux-arm-kernel@...ts.infradead.org>, kvmarm@...ts.linux.dev, 
	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: Re: Fast model boot failure with Linux next-20250312

On Wed, 19 Mar 2025 at 20:25, Mark Rutland <mark.rutland@....com> wrote:
>
> On Wed, Mar 19, 2025 at 08:07:47PM +0530, Naresh Kamboju wrote:
> > 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.
>
> What firmware (and version therof) are you running within the model?

Fast Models [11.24.11 (Nov 29 2023)]
Booting Trusted Firmware
BL1: v2.9(release):v2.9.0
BL2: v2.9(release):v2.9.0
BL31: v2.9(release):v2.9.0
UEFI firmware (version  built at 22:31:25 on May 26 2023)
UEFI v2.70 (EDK II, 0x00010000)

We need to update the firmware version at our end.

>
> For example, if the EL3 firmware lacks support for FEAT_FGT2 or
> FEAT_PMUv3p9, the kernel will trap to EL3 early during boot and die.
>
> It would be really helpful if you could capture that in the report in
> future.
>
> Mark.
>
> >
> > ## 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
> >

- Naresh