Re: 2.6.35-rc3 regression: IBM Maia system is unbootable [ACPI related?]

From: Maciej Rutecki
Date: Tue Jun 22 2010 - 10:28:25 EST


On poniedziaÅek, 21 czerwca 2010 o 18:03:09 James Bottomley wrote:
> The system in question has a set of root bridges, with the CD rom (which
> is seen) being on bus 0 and the SCSI controller, which doesn't show up
> being on bus 1 (with several other things on busses > 1).
>
> The system uses ACPI to detect the multiple bridges, so it seems that
> this failure in 2.6.35-rc3:
>
> ACPI: Core revision 20100428
> ACPI Error: Hardware did not enter ACPI mode (20100428/evxfevnt-103)
> ACPI Warning: AcpiEnable failed (20100428/utxface-147)
> ACPI: Unable to enable ACPI
>
> Means that we can't detect any PCI bus other than 0 and thus the system
> won't boot.
>
> The full dmesgs for a successful (2.6.34) and failed (2.6.35-rc3) boot
> are below.
>
> James

I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=16271
for your bug report, please add your address to the CC list in there, thanks!

--
Maciej Rutecki
http://www.maciek.unixy.pl
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