linux-kernel - Re: 3.6.11 AMD-Vi: Completion-Wait loop timed out

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Message-ID: <20130121151000.GR25591@8bytes.org>
Date:	Mon, 21 Jan 2013 16:10:00 +0100
From:	Jörg Rödel <joro@...tes.org>
To:	Borislav Petkov <bp@...en8.de>,
	Udo van den Heuvel <udovdh@...all.nl>,
	linux-kernel@...r.kernel.org,
	Boris Ostrovsky <boris.ostrovsky@....com>,
	Jacob Shin <jacob.shin@....com>
Subject: Re: 3.6.11  AMD-Vi: Completion-Wait loop timed out

On Mon, Jan 21, 2013 at 02:09:42PM +0100, Borislav Petkov wrote:
> [    0.220022] [Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table
> [    0.220078] [Firmware Bug]: AMD-Vi: IOAPIC[10] not in IVRS table
> [    0.220132] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found in IVRS table
> [    0.220187] AMD-Vi: Disabling interrupt remapping due to BIOS Bug(s)

Yes, that are BIOS bugs too that prevent interrupt remapping to function
reliably. But the good thing is that these bugs can be detected easily
to enable a workaround :-)


	Joerg


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