Bug#665493: timeout on modprobe -b pci:xxxx, oopses (Re: The problem is hotplug acpi)
found 665493 linux-2.6/3.2.17-1
quit
Hi Jeroen,
Jeroen Nijhof wrote:
> [Subject: Bug#665493: The problem is hotplug acpi]
Please keep in mind that these appear as emails in a crowded inbox, so
a subject line can help a lot in providing valuable context.
[...]
> on my HP Pavilion dv6 laptop, linux-stable v3.2.15 boots ok when
> compiled with the configuration file from linux-image-3.2.0-1-amd64 (v3.2.6-1),
> but not with the one from linux-image-3.2.0-2-amd64 (v3.2.17-1).
>
> Bisecting the configuration, the offending change is the one from
>
> CONFIG_HOTPLUG_PCI_ACPI=m
> to
> CONFIG_HOTPLUG_PCI_ACPI=y
[...]
> So apparently that laptop does not like ACPI hotplug.
Nice detective work.
Does 3.3.y from experimental behave the same way?
If so, please send a summary of the symptoms to linux-pci@vger.kernel.org,
cc-ing either me or this bug log so we can track it. Be sure to
mention:
- steps to reproduce, expected result, actual result, and how the
difference indicates a bug (should be simple enough in this case)
- how reproducible this is (80% of the time? 100%?)
- a full "dmesg" output from booting and reproducing the bug, as an
attachment or link
- "acpidump" output, as another attachment or link
- which kernel versions you have tried and what happened with each
- any other weird symptoms or workarounds
- what kind of debugging you'd be able to do to track this down ---
e.g., can you test patches?
- a link to http://bugs.debian.org/665493 for the backstory
If we're lucky, someone might come up with commands to run or a patch
to try to track this down further.
Hope that helps,
Jonathan
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