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

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Message-ID: <11fc981c-af49-ce64-6b43-3e282728bd1a@gmail.com>
Date:   Wed, 19 Jul 2023 23:36:51 -0400
From:   Woody Suwalski <terraluna977@...il.com>
To:     imammedo@...hat.com, bhelgaas@...gle.com,
        LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org
Subject: Kernel 6.5-rc2: system crash on suspend bisected

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, Woody

View attachment "dmesg-6.4.txt" of type "text/plain" (68717 bytes)

View attachment "dmesg-6.5.txt" of type "text/plain" (72917 bytes)

View attachment "dmesg-6.5-2.txt" of type "text/plain" (74959 bytes)