linux-kernel - Re: regression on aarch64? panic on boot

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Message-ID: <849c43bc-7488-72a6-f6fc-8700639b0c79@leemhuis.info>
Date:   Thu, 19 Jan 2023 14:10:05 +0100
From:   "Linux kernel regression tracking (#adding)" 
        <regressions@...mhuis.info>
To:     Klaus Jensen <its@...elevant.dk>, Christoph Hellwig <hch@....de>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: regression on aarch64? panic on boot

[TLDR: I'm adding this report to the list of tracked Linux kernel
regressions; the text you find below is based on a few templates
paragraphs you might have encountered already in similar form.
See link in footer if these mails annoy you.]

[CCing the regression list, as it should be in the loop for regressions:
https://docs.kernel.org/admin-guide/reporting-regressions.html]

On 16.01.23 22:57, Klaus Jensen wrote:
> 
> I'm getting panics when booting from a QEMU hw/nvme device on an aarch64
> guest in roughly 20% of boots on v6.2-rc4. Example panic below.
> 
> I've bisected it to commit eac3ef262941 ("nvme-pci: split the initial
> probe from the rest path").
> 
> I'm not seeing this on any other emulated platforms that I'm currently
> testing (x86_64, riscv32/64, mips32/64 and sparc64).
> [...]

Thanks for the report. To be sure the issue doesn't fall through the
cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
tracking bot:

#regzbot ^introduced eac3ef262941
#regzbot title nvme: occasional boot problems due to the newly supported
async driver probe
#regzbot ignore-activity

This isn't a regression? This issue or a fix for it are already
discussed somewhere else? It was fixed already? You want to clarify when
the regression started to happen? Or point out I got the title or
something else totally wrong? Then just reply and tell me -- ideally
while also telling regzbot about it, as explained by the page listed in
the footer of this mail.

Developers: When fixing the issue, remember to add 'Link:' tags pointing
to the report (the parent of this mail). See page linked in footer for
details.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.