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From: Borislav Petkov <bp@alien8.de>
To: Udo van den Heuvel <udovdh@xs4all.nl>
Cc: "Jörg Rödel" <joro@8bytes.org>,
	linux-kernel@vger.kernel.org,
	"Boris Ostrovsky" <boris.ostrovsky@amd.com>,
	"Jacob Shin" <jacob.shin@amd.com>
Subject: Re: 3.6.11  AMD-Vi: Completion-Wait loop timed out
Date: Mon, 21 Jan 2013 15:55:21 +0100	[thread overview]
Message-ID: <20130121145521.GD4445@pd.tnic> (raw)
In-Reply-To: <50FD4C4B.9080507@xs4all.nl>

On Mon, Jan 21, 2013 at 03:10:19PM +0100, Udo van den Heuvel wrote:
> On 2013-01-21 14:09, Borislav Petkov wrote:
> >> Let's see what happens...
> > 
> > Btw, while we're at it, here's some more h0rkage from my PD box:
> > 
> > [    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)
> 
> I have:
> 
> # dmesg|grep -i amd-vi
> [    1.125636] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40
> [    1.125701] AMD-Vi:  Extended features:  PreF PPR GT IA
> [    1.131725] AMD-Vi: Lazy IO/TLB flushing enabled
> 
> Is that 'OK'?

That's simply dumping the IOMMU extended features and yes, it is ok.

Mine happen when enabling CONFIG_IRQ_REMAP and they're somewhat related.
Anyways, I decided to show them to Joerg so that he's aware.

Btw, you could try enabling that on your machine and see whether IRQ
remapping works there.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2013-01-21 14:52 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-20 10:33 3.6.11 AMD-Vi: Completion-Wait loop timed out Udo van den Heuvel
2013-01-20 10:36 ` Borislav Petkov
2013-01-20 10:40   ` Udo van den Heuvel
2013-01-20 11:19     ` Jörg Rödel
2013-01-20 11:25       ` Udo van den Heuvel
2013-01-20 11:40         ` Jörg Rödel
2013-01-20 11:48           ` Borislav Petkov
2013-01-20 11:50             ` Borislav Petkov
2013-01-20 11:59               ` Udo van den Heuvel
2013-01-20 12:24                 ` Borislav Petkov
2013-01-20 11:52             ` Udo van den Heuvel
2013-01-20 11:57             ` Jörg Rödel
2013-01-21 13:09               ` Borislav Petkov
2013-01-21 14:10                 ` Udo van den Heuvel
2013-01-21 14:55                   ` Borislav Petkov [this message]
2013-01-21 15:10                 ` Jörg Rödel
2013-01-21 15:32                   ` Borislav Petkov
2013-01-21 15:34                     ` Udo van den Heuvel
2013-04-21  1:03                 ` Jake
2013-04-21 21:47                   ` Borislav Petkov
2013-01-21 14:37               ` Boris Ostrovsky
2013-01-21 14:44                 ` Udo van den Heuvel
2013-01-21 14:47                 ` Jörg Rödel
2013-01-21 16:04             ` Jacob Shin
2013-01-21 22:35               ` Suravee Suthikulpanit
2013-01-22  3:22                 ` Udo van den Heuvel
2013-01-22 14:13                 ` Udo van den Heuvel
2013-01-22 14:36                   ` Boris Ostrovsky
2013-01-22 15:16                     ` Jörg Rödel
2013-01-22 15:27                     ` Udo van den Heuvel
2013-01-22 16:12                       ` Boris Ostrovsky
2013-01-22 16:29                         ` Udo van den Heuvel
2013-01-22 23:29                           ` Suravee Suthikulanit
2013-01-23 14:19                             ` Udo van den Heuvel
2013-01-23 15:00                               ` Suravee Suthikulpanit
2013-01-23 14:23                             ` Udo van den Heuvel
2013-01-23 15:01                               ` Suravee Suthikulpanit
2013-01-31 15:42                     ` Udo van den Heuvel

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