Messages in this thread | | | Subject | Re: Kernel 6.5-rc2: system crash on suspend bisected | From | Woody Suwalski <> | Date | Thu, 27 Jul 2023 08:07:23 -0400 |
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Michael S. Tsirkin wrote: > On Thu, Jul 20, 2023 at 03:21:10PM -0500, Bjorn Helgaas wrote: >> [+cc regressions list] >> >> On Wed, Jul 19, 2023 at 11:36:51PM -0400, 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. >> Thank you very much for all your work debugging, bisecting, and >> reporting this! This is incredibly helpful. >> >> Original report, including complete dmesg logs for both v6.4 and >> v6.5-rc2: >> https://lore.kernel.org/r/11fc981c-af49-ce64-6b43-3e282728bd1a@gmail.com >> >> I queued up a revert of 40613da52b13 ("PCI: acpiphp: Reassign >> resources on bridge if necessary") (on my for-linus branch for v6.5). >> >> It looks like a NULL pointer dereference; hopefully the fix is obvious >> and I can drop the revert and replace it with the fix. >> >> Bjorn > Patch on list now: > https://lore.kernel.org/all/20230726123518.2361181-1-imammedo%40redhat.com Confirm works OK. -- Tested-by: Woody Suwalski <terraluna977@gmail.com> --
Thanks, Woody
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