On Mon, 2010-06-21 at 11:03 -0500, James Bottomley wrote:
quoted text
> 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.

This didn't make either the PCI or the ACPI lists ... probably because
of the attachments.  However, the full message (with attachments) is on
lkml:

http://marc.info/?l=linux-kernel&m=127713622821166

James


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