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Message-ID: <87pqzkqrzq.fsf@basil.nowhere.org> Date: Mon, 21 Jun 2010 18:18:17 +0200 From: Andi Kleen <andi@...stfloor.org> To: James Bottomley <James.Bottomley@...senPartnership.com> 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?] 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. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- 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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