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

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Message-ID: <ea5f2437-e7ce-faea-ed8d-30322160c22a@leemhuis.info>
Date:   Fri, 27 Jan 2023 12:11:22 +0100
From:   "Linux kernel regression tracking (#update)" 
        <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: there afaics is a fix for the regression discussed in this
thread, but its author did not use a Link: tag to point to the report,
as wanted by Linus and explained in the documentation; this forces me to
write this mail, which sole purpose it to update the state of this
tracked Linux kernel regression.]

On 19.01.23 14:10, Linux kernel regression tracking (#adding) wrote:
> 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

#regzbot monitor:
https://lore.kernel.org/all/20230124171738.2311160-1-kbusch@meta.com/
#regzbot fix: nvme-pci: flush initial scan_work for async probe
#regzbot ignore-activity

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.