linux-kernel - Re: Kernel 6.5-rc2: system crash on suspend bisected

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Message-ID: <01e617d6-c7e0-8f46-6f04-94961251f2a0@leemhuis.info>
Date:   Sun, 23 Jul 2023 11:24:05 +0200
From:   "Linux regression tracking #adding (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Woody Suwalski <terraluna977@...il.com>, imammedo@...hat.com,
        bhelgaas@...gle.com, LKML <linux-kernel@...r.kernel.org>,
        linux-pci@...r.kernel.org
Cc:     Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: Kernel 6.5-rc2: system crash on suspend bisected

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

[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.]

On 20.07.23 05:36, Woody Suwalski wrote:
> 
> Laptop shows a kernel crash trace after a first suspend to ram, on a
> second attempt to suspend it becomes frozen solid. This is 100%
> repeatable with a 6.5-rc2 kernel, not happening with a 6.4 kernel - see
> the attached dmesg output.
> 
> I have bisected the kernel uilds and it points to :
> [40613da52b13fb21c5566f10b287e0ca8c12c4e9] PCI: acpiphp: Reassign
> resources on bridge if necessary
> 
> Reversing this patch seems to fix the kernel crash problem on my laptop.
> 
> Happy to test some proper fix patches...
> 

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 40613da52b13fb21c5566f10b287e0ca8c12c
#regzbot title PCI: acpiphp: Oops on first attempt to suspend, freeze on
second
#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.