Unfortunately, the artifacts on the individual characters are not gone
with the fix to the coherency bugs.
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Title:
[gen4
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
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Title:
[gen4] Corruption in Chrome omni bar results using
I don't want to speak too soon but it seems that the latest patch fixes
the problem.
First I've tried the latest git version and it didn't help, I've noticed
corrupted fonts as soon as I logged on and start poking things in
terminal.
After I've applied the patch in comment #129 and restarted, no
*** 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
Created attachment 82369
Handy phone snapshot of artifacts on chars post drm/i915 fix: Only clear
write-domains after a successful wait-seqno
This is an example of the artifacts on chars, still happening running a kernel
with the drm/i915 fix 'Only clear write-domains after a successful wait-seq
Created attachment 90707
/dev/shm corruption
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Title:
[gen4] Corruption in Chrome omni bar results using Intel SNA
To ma
With kernel-3.12.2 and current git, the situation now is much better.
The corruptions happen less often (still often enough to be noticed
though), and are usually confined to single characters, or only parts of
single characters. While I'm writing this, I can notice what appears to
be some slight c
SNA has grown worse now. Since about six weeks, I've started to see
corruption in the terminal (cursor not disappearing or not showing at
all, more text missing until marking with the mouse,...). I've switched
to UXA, nothing bad visible there.
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It has been a long long time I am following this bug.
So, I built the 3.10.3 plain vanilla kernel, which went stable as of
today (Friday, July 26, 2013) and I can say that my crappy GM45 chip
works fine with the dreaded "test.odg" resizing test. Seems like things
are improving.
and if it is of a
Just to report, maybe this isn't intel driver bug at all. At home I have
ATI R270X (radeonsi driver) and Intel HD2000, at work X4500 and I get
hit by this bug on all of them.
Small, single char, graphic corruption, easily triggered by scrolling
through a window with lots of small text (tailing a l
Well I could add here output of some tests:
i.e.:
$ ./render-composite-solid
Opened connection to :0 for testing.
Testing setting of single pixels (root): passed [1 iterations x 4096]
Testing area sets (root): passed [1 iterations x 4096]
Testing area fills (root): passed [1 iterations x 4096]
Te
Ubuntu has an experimental 64bit raring kernel (3.8) with the fix for
the coherency bug. Works great for me for fixing the artifacts in the
large bitmaps.
Can be tested at http://kernel.ubuntu.com/~jsalisbury/lp1200126/
It delivers the fix to 65665.
This is very good news also for this bug since
Well here is just another one -
$ ./basic-copyarea
Opened connection to :0 for testing.
Testing setting of single pixels (root): passed [1 iterations x 4096]
Testing area sets (root): passed [1 iterations x 4096]
Testing area fills (root, using pixmap source): passed [1 iterations x 4096]
Testing
(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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I've been looking at drm-intel-next-queued/drm-intel-fixes - there are
quite a few patches - but also a lot of reverts recently - so I'm
pretty much confused what is actually the solution for gma965 in T61.
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Created attachment 82789
Character i of word "application" and p of "bpp>=8" is corrupted
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Title:
[gen4] Corruption in C
(In reply to comment #136)
> 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-wr
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
Maybe this bug could be more easily tracked down when the amount of
vertices is actually much higher - since in this case it seems to crash
almost immediatelly.
I understand there is some 'maximum queue' size GPU could handle - but
the engine should be able to track size of all commands and not ou
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
Well I'm curious how this explains this - I've taken current git -
changed the value to '44' - and I'm typing this text. I could see a lot of
errors during text typing - but these errors seems to be somehow limited only
to certain regions of shown text.
It's not destroyed everywhere - only in
All tests with MAX_FLUSH_VERTICES greater than 2 reveal those single
garbled glyphs. I'm still testing with a value of 2. There isn't much
noticeable difference between 3, 4, 5.
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset
Integrated Graphics Controller (rev 03) (prog-if
Just to add some more comment on MAX_FLUSH_VERTICES - when set to valu
96 - it gives the highest throughput on x11perf -aa10text 3.7MChar/s -
using any higher value doesn't make any different (so the max seems to
be somewhere between <64-96]
Also when this 3.7MChar is rendered - the parallel m
*** Bug 71773 has been marked as a duplicate of this bug. ***
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Title:
[gen4] Corruption in Chrome omni bar results using
Created attachment 91383
gedit in openbox with 2.99.907 GM45 SNA
I am finding that GM45 SNA seems unusable with 2.99.907 - git bisect pointed to
the bad commit as:
9289e2c56b7f0cc78c5123691ad96611f0e04bed is the first bad commit
commit 9289e2c56b7f0cc78c5123691ad96611f0e04bed
Author: Chris Wilson
(In reply to comment #134)
> (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
>
Created attachment 91388
intel_error_decode output
I saved the output from intel_error_decode but I didn't save the raw
error data.
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Here's another bug report regarding this same issue:
https://bugs.launchpad.net/bugs/1227569
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Title:
[gen4] Corruption i
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
(In reply to comment #149)
>
> But I didn't spot any corrupted characters while running 2.99.907 with
> MAX_FLUSH_VERTICES set back to 6
And now I have spotted the single character corruption with 2.99.907 +
MAX_FLUSH_VERTICES set to 6.
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(In reply to comment #145)
> Created attachment 91383 [details]
> gedit in openbox with 2.99.907 GM45 SNA
>
> I am finding that GM45 SNA seems unusable with 2.99.907 - git bisect pointed
> to the bad commit as:
> 9289e2c56b7f0cc78c5123691ad96611f0e04bed is the first bad commit
> commit 9289e2c56b7
The bug occurs with MAX_FLUSH_VERTICES = 2 too, both in firefox and
xterm, so unfortunately setting it to 1 seems to be the only solution
here.
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(In reply to comment #148)
> 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,
>
Created attachment 91389
intel_error_decode output
the decoded error that occurred while running gtkperf, 2.99.907 with the
change in comment #148
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I think nice illustration could be - that while before with MAX 9 it
seemed like i.e. gnome-terminal running top was not really rendering
broken characters - it now seems to show a lot of messed characters.
On the other hand - MAX 1 seems to be now more fluent then before - so
except for some dra
(In reply to comment #153)
> (In reply to comment #145)
> > Created attachment 91383 [details]
> > gedit in openbox with 2.99.907 GM45 SNA
> >
> > I am finding that GM45 SNA seems unusable with 2.99.907 - git bisect pointed
> > to the bad commit as:
> > 9289e2c56b7f0cc78c5123691ad96611f0e04bed is
Created attachment 91613
Grabbed snapshot with patch from comment 157
As could be seen - yes - with little effort I'm able to capture broken
characters with given patch compiled in.
The only needed thing is to start to edit the dialog in the Firefox and
start to add/remove random characters over
>From what I'm experiencing after driver rebuild - I'd have said - now
it's actually much simpler to trigger that flickering/high GPU usage.
So unless the patch is missing something - than limitation to 16 doesn't
help here on T61.
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bad news - now I'm in fact able to spot badly rendered characters in
Firefox also with MAX 1
So something went wrong
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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
** Bug watch added: freedesktop.org Bugzilla #51471
https://bugs.freedesktop.org/show_bug.cgi?id=51471
** Bug watch added: freedesktop.org Bugzilla #73348
https://bugs.freedesktop.org/show_bug.cgi?id=73348
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ah, nevermind, I still have the same error with Left 4 Dead 2. But at
last Brutal Legend is starting now.
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Title:
[xorg-edgers] libxcb-dri
sadly, my favourite game, awesomenauts, is also not lauching.
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Title:
[xorg-edgers] libxcb-dri3 undefined symbol: xcb_send_fd results in
for me, things are solved, thanks!
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Title:
[xorg-edgers] libxcb-dri3 undefined symbol: xcb_send_fd results in
OpenGL device not found in
Close it as Invalid
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Title:
[Asus K55VD] Animations Flickering
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Hello Christopher M. Penalver,
I have not had this issue anymore so the bug can be closed.
Regards,
Tux
2014/1/7 Christopher M. Penalver
> Tux, this bug was reported a while ago and there hasn't been any
> activity in it recently. We were wondering if this is still an issue? If
> so, could y
Montblanc, could you please provide the full computer model as noted on
the sticker (ex. HP G62-224HE Notebook PC)?
** Changed in: fglrx-installer (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: needs-full-computer-model
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Tux, this bug report is being closed due to your last comment
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Peter Weston, this bug was reported a while ago and there hasn't been
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There is a fix for this graphics SKU in the upstream 3.13-rc7 kernel -
see
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=61ef8be7fa4302180c163fb56a259610fd84ee13
A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-
ppa/mainline/ and instructions on ho
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Original reporter = https://launchpad.net/~jodo-deactivatedaccount
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Triaged => Invalid
** Attachment removed: "Screenshot, part of corrupted video frame resized
through XVideo"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg
Tom Holy, this bug report is being closed due to your last comment
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*** This bug is a duplicate of bug 573929 ***
https://bugs.launchpad.net/bugs/573929
** This bug has been marked a duplicate of bug 573929
Screen corruption with compiz since Lucid release
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*** This bug is a duplicate of bug 573929 ***
https://bugs.launchpad.net/bugs/573929
** This bug has been marked a duplicate of bug 573929
Screen corruption with compiz since Lucid release
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