On 07/12/2017 07:56 PM, Bjorn Helgaas wrote:
On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote:
From: Joerg Roedel
ATS is broken on this hardware and causes IOMMU stalls and
system failure. Disable ATS on these devices to make them
usable again with IOMMU enabled.
Note that the com
On 06/15/2017 07:04 AM, Joerg Roedel wrote:
Hi Bjorn,
On Fri, Apr 07, 2017 at 04:32:18PM +0200, Joerg Roedel wrote:
From: Joerg Roedel
ATS is broken on this hardware and causes IOMMU stalls and
system failure. Disable ATS on these devices to make them
usable again with IOMMU enabled.
Note th
rnel@vger.kernel.org; Daniel Drake; Samuel
Sieb
Subject: Re: [PATCH v2] PCI: Add ATS-disable quirk for AMD Stoney GPUs
Hi Alexander,
On Tue, May 23, 2017 at 07:54:12PM +, Deucher, Alexander wrote:
I finally got an answer from the hw team and we validated ATS on
stoney as well so in theory
On 04/28/2017 01:23 AM, Lee, Chun-Yi wrote:
Fixes: 98d610c3739a ("acer-wmi: setup accelerometer when machine has appropriate
notify event")
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=193761
Reported-by: Samuel Sieb
Signed-off-by: "Lee, Chun-Yi"
I have veri
On 04/26/2017 02:43 PM, Joerg Roedel wrote:
On Wed, Apr 26, 2017 at 02:31:40PM -0700, Samuel Sieb wrote:
This test was done with the patch that always disables ATS. Which
is the current patch to selectively disable it? The last patch I
tried didn't seem to work.
Its
[PATCH v2
On 04/26/2017 03:14 AM, Joerg Roedel wrote:
On Tue, Apr 25, 2017 at 10:55:24AM -0700, Samuel Sieb wrote:
On 04/07/2017 03:27 AM, Joerg Roedel wrote:
Also, please try the attached debug-diff on your kernel. It completly
disables the use of ATS in the amd-iommu driver.
I applied this patch to
On 04/07/2017 03:27 AM, Joerg Roedel wrote:
Also, please try the attached debug-diff on your kernel. It completly
disables the use of ATS in the amd-iommu driver.
I applied this patch to 4.11.0 rc8 and then stress tested the laptop
with another kernel build while running graphical applications
On 04/07/2017 03:22 AM, Joerg Roedel wrote:
Can you please send me output of 'lspci -nv' on your system?
I have to figure out how to rebuild the system and find the time to do
it before I can test that patch, but here's the lspci output:
00:00.0 0600: 1022:1576
Subsystem: 1025:1099
On 04/04/2017 12:32 AM, Joerg Roedel wrote:
On Tue, Apr 04, 2017 at 12:11:31AM -0700, Samuel Sieb wrote:
Unfortunately, that turned out to be a bit premature. After
compiling a kernel on it remotely over ssh (not interacting with the
logged in desktop), a reboot failed with endless completion
On 04/03/2017 08:37 PM, Samuel Sieb wrote:
On 04/03/2017 02:39 PM, Joerg Roedel wrote:
You have a system based on the AMD Stoney platform, on which the PCI-ATS
feature of the GPU is broken, as we recently found out.
Can you please test whether the attached patch fixes the issue on your
machine
On 04/03/2017 02:39 PM, Joerg Roedel wrote:
You have a system based on the AMD Stoney platform, on which the PCI-ATS
feature of the GPU is broken, as we recently found out.
Can you please test whether the attached patch fixes the issue on your
machine?
Yes, that works, thank you!
Now I'm curi
I filed a bug in bugzilla, but I wasn't sure what category to put it in,
so I suspect I ended up picking one that doesn't get looked at much.
https://bugzilla.kernel.org/show_bug.cgi?id=195051
The issue is that on a specific Acer laptop with a dual-core A9, if I
don't disable the IOMMU using i
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