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
ikulpanit, Suravee; iommu@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: iommu@lists.linux-foundation.org; linux-ker...@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: iommu@lists.linux-foundation.org; linux-ker...@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
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