On Mon, Feb 11, 2013 at 01:57:03PM -0700, Shuah Khan wrote:
> I was hoping Joerg's patch would make it into Linus's tree by now. I
> tested the original patch and did the back-port to 3.4 and 3.0 at the
> same time, before I loose the test system.
I will send the patch with the next merge window.
On Mon, 2013-02-11 at 11:49 -0800, Greg KH wrote:
> On Wed, Feb 06, 2013 at 07:40:50PM -0700, Shuah Khan wrote:
> > On Wed, 2013-02-06 at 13:12 +0100, Joerg Roedel wrote:
> > > On Tue, Feb 05, 2013 at 06:57:21AM -0700, Shuah Khan wrote:
> > > > Thanks much. I will hang on to this test system for te
On Mon, Feb 11, 2013 at 12:49 PM, Greg KH wrote:
> On Wed, Feb 06, 2013 at 07:40:50PM -0700, Shuah Khan wrote:
>> On Wed, 2013-02-06 at 13:12 +0100, Joerg Roedel wrote:
>> > On Tue, Feb 05, 2013 at 06:57:21AM -0700, Shuah Khan wrote:
>> > > Thanks much. I will hang on to this test system for testi
On Wed, Feb 06, 2013 at 07:40:50PM -0700, Shuah Khan wrote:
> On Wed, 2013-02-06 at 13:12 +0100, Joerg Roedel wrote:
> > On Tue, Feb 05, 2013 at 06:57:21AM -0700, Shuah Khan wrote:
> > > Thanks much. I will hang on to this test system for testing your fix.
> >
> > Okay, here is the simple fix for
On Wed, 2013-02-06 at 13:12 +0100, Joerg Roedel wrote:
> On Tue, Feb 05, 2013 at 06:57:21AM -0700, Shuah Khan wrote:
> > Thanks much. I will hang on to this test system for testing your fix.
>
> Okay, here is the simple fix for v3.8-rc6. I guess it is not
> straighforward to port it to v3.4, but i
On Tue, Feb 05, 2013 at 06:57:21AM -0700, Shuah Khan wrote:
> Thanks much. I will hang on to this test system for testing your fix.
Okay, here is the simple fix for v3.8-rc6. I guess it is not
straighforward to port it to v3.4, but it should be doable.
>From 2ecf57c85e67e0243b36b787d0490c0b47202b
On Tue, Feb 5, 2013 at 6:31 AM, Joerg Roedel wrote:
> Hi Shuah,
>
> On Fri, Feb 01, 2013 at 11:31:59AM -0700, Shuah Khan wrote:
>> Yes, 3.7 has the same window of opportunity for this race condition,
>> however I couldn't figure out why it doesn't happen on 3.7. On 3.7 the
>> window between amd_io
Hi Shuah,
On Fri, Feb 01, 2013 at 11:31:59AM -0700, Shuah Khan wrote:
> Yes, 3.7 has the same window of opportunity for this race condition,
> however I couldn't figure out why it doesn't happen on 3.7. On 3.7 the
> window between amd_iommu_init_hardware() and amd_iommu_init_dma_ops()
> might actu
On Fri, 2013-02-01 at 14:00 +0100, Joerg Roedel wrote:
> Hi Shuah,
>
> On Thu, Jan 31, 2013 at 11:33:30AM -0700, Shuah Khan wrote:
> > Access to these ranges continues to work with no errors until AMD IOMMU
> > driver disables and re-enables IOMMU in enable_iommus(). These faults
> > don't persist
Hi Shuah,
On Thu, Jan 31, 2013 at 11:33:30AM -0700, Shuah Khan wrote:
> Access to these ranges continues to work with no errors until AMD IOMMU
> driver disables and re-enables IOMMU in enable_iommus(). These faults
> don't persist and appear between the enable_iommus() call and before
> amd_iommu
Joerg,
I am seeing IO_PAGE_FAULTs on AMD system running releases prior to 3.7.
I focused my debug and testing on 3.4. I am hoping to find a solution
for this problem in 3.4. I don't see any IO_PAGE_FAULTs with 3.7 and
later releases on this system.
On this system BIOS specifies Unity mapped (dire
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