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 v3.8-rc6.
On Mon, Feb 11, 2013 at 12:49 PM, Greg KH gre...@linuxfoundation.org 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
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. It
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
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 it
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
On Tue, Feb 5, 2013 at 6:31 AM, Joerg Roedel j...@8bytes.org 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
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
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
