From: Udo van den Heuvel <udovdh@xs4all.nl>
To: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
Cc: "Boris Ostrovsky" <boris.ostrovsky@amd.com>,
"Jacob Shin" <jacob.shin@amd.com>,
"Borislav Petkov" <bp@alien8.de>, "Jörg Rödel" <joro@8bytes.org>,
linux-kernel@vger.kernel.org
Subject: Re: 3.6.11 AMD-Vi: Completion-Wait loop timed out
Date: Wed, 23 Jan 2013 15:19:10 +0100 [thread overview]
Message-ID: <50FFF15E.7010403@xs4all.nl> (raw)
In-Reply-To: <50FF20F2.9090503@amd.com>
On 2013-01-23 00:29, Suravee Suthikulanit wrote:
> I sent out a patch
> (http://marc.info/?l=linux-kernel&m=135889686523524&w=2) which should
> implement
> the workaround for AMD processor family15h model 10-1Fh erratum 746 in
> the IOMMU driver.
> In your case, the output from "setpci -s 00:00.02 F4.w" is "0050" which
> tells me that BIOS doesn't
> implement the work around. After patching, you should see the following
> message in "dmesg".
>
> "AMD-Vi: Applying erratum 746 for IOMMU at 0000:00:00.2"
Thanks!
I'll check for that after these messages.
> The following patch slightly modify
> the code to always issue "COMPLETION_WAIT" after every command. This
> should help increasing the chance of reproducing
> the issue.
Should I test with these two patches together?
Or should I apply the first one first and then see what the second can help?
Kind regards,
Udo
next prev parent reply other threads:[~2013-01-23 14:19 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
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 [this message]
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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