Re: [2.6.37-rc1 / rc2 Regression] PCI: Kernel Hangs On Boot

[David John <davidjon@xenontk.org>]

On 11/18/2010 12:54 AM, Bjorn Helgaas wrote:
> On Wed, Nov 17, 2010 at 09:10:19PM +0530, David John wrote:
>> Commit dc9887dc ("x86/PCI: allocate space from the end of a region, not
>> the beginning") causes the kernel to hang on my Dell Inspiron 1545.
>> 2.6.36 and booting with pci=nocrs works fine. Reverting this commit also
>> works. I am attaching the kernel log and system iomem from the working
>> 2.6.36. It hangs at this location consistently:
>>
>> pci-stub: invalid id string ""
>> ACPI: AC Adapter [AC] (on-line)
>> input: Lid Switch as
>> /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
>>
>> < hang >
>>
>> Let me know if you need any other info.
> 
> Thanks a lot for this report.  I opened this bugzilla:
>     https://bugzilla.kernel.org/show_bug.cgi?id=23132
> to track it.
> 
> Would you mind attaching the dmesg log from 2.6.37-rc2 with
> commit dc9887dc reverted?  That should have a little more
> information (PCI allocation closer to what fails, and also
> more PNP resource information).

Attached in Bugzilla.

> If you happen to have Windows on this box as well, an
> Everest report (http://lavalys.com) would be interesting.
> If not, no worries.

Nope, no Windows on this box, Sorry.

Regards,
David.