*** Bug 72048 has been marked as a duplicate of this bug. ***
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Title:
[regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
San
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Incomplete
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Title:
Greeter shows in secondary mon
If you do get a chance to attach a drm.debug=6 dmesg without
video=VGA-1:d, I can have a better idea as to whose fault it is.
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That device is expected to have a VGA header on the motherboard, so it
would seem a manufacturing detect. (VGA link detection is all in
hardware.)
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Yes, more often than not it is a short across a couple of pins.
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Title:
Greeter shows in secondary monitor mode when onl
As a check that all problems are the same, can people who are still
affected by this do a test with
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index a87af39..86c37d6 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -63,7 +63,7 @@
#define NO_FILL_BOXES 0
#define N
(In reply to comment #132)
> Chris, any thoughts on why is this happening with radeon opensource driver
> also ?
I was hoping that it would be a bug in common component, but in this
case it sounds like they have a similar bug in managing internal GPU
state.
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Nope. The behaviour of this bug is very well characterised by the above
analysis.
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Title:
[gen4 sna] Font corruption
To
(In reply to comment #132)
> I don't want to speak too soon but it seems that the latest patch fixes the
> problem.
Let it run for a day or so to be sure. The other thing that is worth
checking is whether setting MAX_FLUSH_VERTICES to 2 is also stable, or 4
etc. Setting it to 1 has a major impact
The issue that the VUE (which is a memory slot used by the GPU for a
vertex entry) are reused by a second thread before the first thread is
complete, causing the first thread to generate invalid texture
coordinates and corrupt rendering. That is a hardware read-write hazard
bug (or at least I have
Nothing has changed. SNB can still randomly hard lock with rc6 and
vsync.
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Title:
[snb] random hard lockup whilst using
*** Bug 72829 has been marked as a duplicate of this bug. ***
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Title:
[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140
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Title:
[regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
San
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Title:
[gen4 sna] Font corruption
To manage notification
With nomodeset you prevent the driver from even loading, so it
impossible to say what the actual problem is.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Invalid
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You are not using the -intel driver. Try doing so first.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Invalid
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Worth trying just:
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index 637137e..dc80de3 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -660,9 +660,11 @@ inline static int gen4_get_rectangles(struct sna *sna,
if (rem <= 0) {
if
(In reply to comment #145)
> [ 1702.349954] [drm] stuck on render ring
> [ 1702.349966] [drm] capturing error event; look for more information in
> /sys/class/drm/card0/error
> [ 1702.354334] [drm:i915_set_reset_status] *ERROR* render ring hung inside
> bo (0x32a1000 ctx 0) at 0x32a1110
Attach the
That's quite bizarre since the GPU on the two processors is identical
(more or less). Can you attach your Xorg.0.log from both machines?
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That xrandr output is not for the 945gm.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Invalid
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Sergio, I believe the corruption you are seeing in the presentation is
from the coherency bug. My apologies for confusing that with the general
gen4 rendering issues.
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Yes, that is characteristic of this bug. The internal vertex/texture
coordinates that are being passed along the GPU pipeline become corrupt
(it looks like we overflow a small ring buffer). The only effective
approach I've found so far has been to keep the number of rectangles
inside the GPU pipeli
Whilst more than likely you are using a kernel with a known incoherency
bug (as there is yet to be a kernel release with it fixed), the effects
are quite different to the ones you captured. The issue which I believe
to be behind the distorted flickering can be quite easily triggered by
simply chang
I have pushed a revised workaround to the best of my understanding to
commit 368c909b29758f996dbbdbec4d471df23f60bc04
Author: Chris Wilson
Date: Sat Jul 6 22:27:44 2013 +0100
sna/gen4: Restore the flush-every-vertex w/a
This is an abhorrent workaround for some internal GPU
(In reply to comment #97)
> (In reply to comment #96)
> > (In reply to comment #93)
> > > The bad part is - while before I've been getting 3.7Mchar/s in x11perf
> > > -aa10text - now it's like 1.3Mchar/s so significantly slower.
> >
> > That's the sacrifice, we have to stop sending commands to th
(In reply to comment #93)
> The bad part is - while before I've been getting 3.7Mchar/s in x11perf
> -aa10text - now it's like 1.3Mchar/s so significantly slower.
That's the sacrifice, we have to stop sending commands to the GPU and
wait for it complete those in flight (quite frequently). Or else
Removed an older hack and had to reduce the max further. Bah, humbugs.
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Title:
[gen4] Corruption in Chrome omni bar resu
The quick answer is that if ever see it with MAX_FLUSH_VERTICES set to
1, then it is a different issue. Please do be aware that all current
kernels since 3.7 do have a coherency issue, the fix will not arrive
before 3.10.1 (outside of drm-intel trees).
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As a check that all problems are the same, can people who are still
affected by this do a test with
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index a87af39..86c37d6 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -63,7 +63,7 @@
#define NO_FILL_BOXES 0
#define N
My experiments so far indicate that the errors only happen with
rendering to the uncached frontbuffer, are not influenced by the number
of rectangles in each primitive (though the failure does occur at
different frequencies) and do not respond to adding extra MI_FLUSH. I
don't think attaching examp
*** Bug 67377 has been marked as a duplicate of this bug. ***
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Title:
[gen4] Corruption in Chrome omni bar results using
*** Bug 68596 has been marked as a duplicate of this bug. ***
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Title:
[gen4] Corruption in Chrome omni bar results using
The tests are intentionally overkill - they are also intended to try and
test handling of large batches, as well as generally stress the system.
I hadn't noticed the basic-copyarea fail. That does look to be
different. So far, the failure pattern had seemed to be a subspan
doesn't get written (i.e
Here's some insight: test/render-copyarea is just a mirth of fail on my
gm45.
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Title:
[gen4] Corruption in Chrome omni b
(In reply to comment #132)
> Chris, any thoughts on why is this happening with radeon opensource driver
> also ?
I was hoping that it would be a bug in common component, but in this
case it sounds like they have a similar bug in managing internal GPU
state.
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The issue that the VUE (which is a memory slot used by the GPU for a
vertex entry) are reused by a second thread before the first thread is
complete, causing the first thread to generate invalid texture
coordinates and corrupt rendering. That is a hardware read-write hazard
bug (or at least I have
Nope. The behaviour of this bug is very well characterised by the above
analysis.
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Title:
[gen4] Corruption in Chrome om
(In reply to comment #132)
> I don't want to speak too soon but it seems that the latest patch fixes the
> problem.
Let it run for a day or so to be sure. The other thing that is worth
checking is whether setting MAX_FLUSH_VERTICES to 2 is also stable, or 4
etc. Setting it to 1 has a major impact
*** Bug 71773 has been marked as a duplicate of this bug. ***
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Title:
[gen4] Corruption in Chrome omni bar results using
Worth trying just:
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index 637137e..dc80de3 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -660,9 +660,11 @@ inline static int gen4_get_rectangles(struct sna *sna,
if (rem <= 0) {
if
(In reply to comment #145)
> [ 1702.349954] [drm] stuck on render ring
> [ 1702.349966] [drm] capturing error event; look for more information in
> /sys/class/drm/card0/error
> [ 1702.354334] [drm:i915_set_reset_status] *ERROR* render ring hung inside
> bo (0x32a1000 ctx 0) at 0x32a1110
Attach the
ad commit
> commit 9289e2c56b7f0cc78c5123691ad96611f0e04bed
> Author: Chris Wilson
> Date: Mon Dec 16 11:39:20 2013 +
>
> sna/gen4: Sacrifice performance to workaround render corruption
>
> The problems are lines of text keep disappearing (and reappearing) in gedit,
&g
Something worth experimenting with is detuning the GPU, e.g.:
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index e239c21..bc6af68 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -52,7 +52,7 @@
*/
#define FORCE_SPANS 0
#define FORCE_NONRECTILINEAR_SPANS -1
-#def
Something worth experimenting with is detuning the GPU, e.g.:
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index e239c21..bc6af68 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -52,7 +52,7 @@
*/
#define FORCE_SPANS 0
#define FORCE_NONRECTILINEAR_SPANS -1
-#def
ad commit
> commit 9289e2c56b7f0cc78c5123691ad96611f0e04bed
> Author: Chris Wilson
> Date: Mon Dec 16 11:39:20 2013 +
>
> sna/gen4: Sacrifice performance to workaround render corruption
>
> The problems are lines of text keep disappearing (and reappearing) in gedit,
&g
Start with attaching your Xorg.0.log and the result of running
LIBGL_DEBUG=1 glxinfo
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Title:
i915 crashes, Software rend
[36.296]
X.Org X Server 1.14.5
Release Date: 2013-12-12
...
[36.619] (II) LoadModule: "intel"
[36.619] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[36.693] (II) Module intel: vendor="X.Org Foundation"
[36.693]compiled for 1.14.99.904, module version = 2.99.907
[
Typical, it appeared stable through my firefox testing, but if you try
reverting b7565a26401e283df94b68019e8093f8104428f4, I expect the
corruptions to disappear again.
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** Summary changed:
- [i915] Resume from suspend leaves me with black screen or a screen of the
desktop before it suspended, only mouse cursor moveable
+ [fglrx] Resume from suspend leaves me with black screen or a screen of the
desktop before it suspended, only mouse cursor moveable
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*** This bug is a duplicate of bug 1041790 ***
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[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround
i915.semaphores=0
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** This bug is no longer a duplicate of bug 1102437
[sandybridge-m-gt1] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1041790
[snb] GPU lockup IPEHR: 0
*** This bug is a duplicate of bug 1041790 ***
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[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround
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[gen4 sna] Font corruption
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It requires the vsync fixes in trusty (2.99.907).
** Summary changed:
- [hsw] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x1301
+ [hsw vsync] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x1301
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Fix Released
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[sandybridge-gt1] False GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1041790
[snb] GPU lockup IPEH
*** This bug is a duplicate of bug 1098334 ***
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[gen4 sna] Font corruption
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[ivb] GPU lockup IPEHR: 0x upon context restore
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[sandybridge-m-gt2+] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0100
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[snb] GPU lockup IPEHR:
*** This bug is a duplicate of bug 1041790 ***
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Images display wrong while scrolling
** This bug has been marked a duplicate of bug 1098334
[gen4 sna] Font corruption
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[sandybridge-m-gt2+] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0100
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[snb] GPU lockup IPEHR:
Do you have a more recent Xorg log? As the one attached shows you using
the fglrx supplied driver (for the igfx) and not the one Intel supports.
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Title:
[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140
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Title:
[regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
San
Typical, it appeared stable through my firefox testing, but if you try
reverting b7565a26401e283df94b68019e8093f8104428f4, I expect the
corruptions to disappear again.
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[snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround
i915.semaphores=0
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[sandybridge-m-gt1] False GPU lockup IPEHR: 0x7a02 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] Fal
*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug is no longer a duplicate of bug 1226559
[sandybridge-m-gt1] False GPU lockup IPEHR: 0x7a02 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] Fal
*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug is no longer a duplicate of bug 1226559
[sandybridge-m-gt1] False GPU lockup IPEHR: 0x7a02 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] Fal
*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug is no longer a duplicate of bug 1220073
[snb mesa] GPU lockup IPEHR: 0x79050005 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup
*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug is no longer a duplicate of bug 1226559
[sandybridge-m-gt1] False GPU lockup IPEHR: 0x7a02 IPEHR: 0x0b140001
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] Fal
*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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*** This bug is a duplicate of bug 1223332 ***
https://bugs.launchpad.net/bugs/1223332
** This bug has been marked a duplicate of bug 1223332
[snb mesa blorp] False GPU lockup IPEHR: 0x7a02
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commit c7bd4c25650704d4d065eb4ce2a122d2a80ce804
Author: Chris Wilson
Date: Tue Apr 24 16:36:50 2012 +0100
drm/i915: Remove too early plane enable on pre-PCH hardware
Enabling the plane before we have assigned valid address means that it
will access random PTE (often with
We encounter one warning there that is suspicious:
[ 304.920] (WW) intel(0): flip queue failed: Invalid argument
[ 304.920] (WW) intel(0): Page flip failed: Invalid argument
and nothing that corresponds with it in the dmesg. To hit EINVAL
suggests that the display was disabled, which given th
Merged upstream now in the kernel are extended modes, so hopefully we
will be able to pick a better mode.
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https://bugs.launchpad.net/bugs/437173
Title:
For mirroring, try t
ppa:xorg-edgers has an updated version of UXA that should help with one
of the issues you encountered across resume. How does it fare under your
testing?
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