On Tue, 2013-04-30 at 11:06 -0400, Don Dutile wrote:
> On 04/30/2013 10:49 AM, Suravee Suthikulanit wrote:
> > On 4/29/2013 3:10 PM, Don Dutile wrote:
> >> On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote:
> >>> Joerg,
> >>>
> >>> We are in the process of implementing AMD IOMMU error handling, an
On Tue, Apr 30, 2013 at 09:56:22AM -0500, Suthikulpanit, Suravee wrote:
> This sounds more like issue with the order of how things are
> initialized in the system.
No, the problem is that almost all BIOS-provided IVRS tables are buggy
because they do not define a unity-mapped region for devices t
On 04/30/2013 10:56 AM, Suravee Suthikulanit wrote:
On 4/29/2013 4:42 PM, Don Dutile wrote:
On 04/29/2013 04:34 PM, Duran, Leo wrote:
I'm wondering if resetting the IOMMU at init-time (once) would clear any BIOS
induced noise.
Leo
Well, depends what you mean by 'reset'
(a) setting it up
On 04/30/2013 10:49 AM, Suravee Suthikulanit wrote:
On 4/29/2013 3:10 PM, Don Dutile wrote:
On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote:
Joerg,
We are in the process of implementing AMD IOMMU error handling, and I would
like some comments from you and the community.
Currently, the AMD
On 4/29/2013 4:42 PM, Don Dutile wrote:
On 04/29/2013 04:34 PM, Duran, Leo wrote:
I'm wondering if resetting the IOMMU at init-time (once) would clear
any BIOS induced noise.
Leo
Well, depends what you mean by 'reset'
(a) setting it up for OS use is effectively a reset, but doesn't
quies
On 4/29/2013 3:10 PM, Don Dutile wrote:
On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote:
Joerg,
We are in the process of implementing AMD IOMMU error handling, and I
would like some comments from you and the community.
Currently, the AMD IOMMU driver only reports events from the event
lo
uthikulpanit, Suravee; io...@lists.linux-foundation.org; linux-
> ker...@vger.kernel.org
> Subject: Re: RFC: IOMMU/AMD: Error Handling
>
> On 04/29/2013 04:34 PM, Duran, Leo wrote:
> > I'm wondering if resetting the IOMMU at init-time (once) would clear any
> BIOS induced noise.
mailto:iommu-
boun...@lists.linux-foundation.org] On Behalf Of Don Dutile
Sent: Monday, April 29, 2013 3:10 PM
To: Suthikulpanit, Suravee
Cc: io...@lists.linux-foundation.org; linux-kernel@vger.kernel.org
Subject: Re: RFC: IOMMU/AMD: Error Handling
On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote
2013 3:10 PM
> To: Suthikulpanit, Suravee
> Cc: io...@lists.linux-foundation.org; linux-kernel@vger.kernel.org
> Subject: Re: RFC: IOMMU/AMD: Error Handling
>
> On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote:
> > Joerg,
> >
> > We are in the process of impleme
On 04/29/2013 03:45 PM, Suravee Suthikulanit wrote:
Joerg,
We are in the process of implementing AMD IOMMU error handling, and I would
like some comments from you and the community.
Currently, the AMD IOMMU driver only reports events from the event log in the
dmesg, and does not try to handle
Joerg,
We are in the process of implementing AMD IOMMU error handling, and I
would like some comments from you and the community.
Currently, the AMD IOMMU driver only reports events from the event log
in the dmesg, and does not try to handle them in case of errors. AMD
IOMMU errors can be c
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