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Date: Mon, 21 Jun 2010 11:33:54 -0500 From: James Bottomley <James.Bottomley@...senPartnership.com> To: Andi Kleen <andi@...stfloor.org> Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org Subject: Re: 2.6.35-rc3 regression: IBM Maia system is unbootable [ACPI related?] On Mon, 2010-06-21 at 18:18 +0200, Andi Kleen wrote: > James Bottomley <James.Bottomley@...senPartnership.com> writes: > > > 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 > > That probably causes all the other problems. Without ACPI enabled > modern systems generally do not work. > > Just guessing, but maybe try to revert > > b430acbd7c4b919886fa7fd92eeb7a695f1940d3 > > That was the last change in this area. I can confirm that reverting this over a vanilla 2.6.35-rc3 fixes my boot problem. James -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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