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------------------------------------------------------------------------
On 2009-04-11T22:05:18+00:00 Tomasz wrote:

Created attachment 339197
web browser with corrupted text

Description of problem:
Sometimes some letters became corrupted. It happens after running compiz, but 
even after stopping compiz and staring metacity (within one session) text stays 
corrupted.
I'm not using xorg.conf, so I have whatever configuration is default in F11 (so 
KMS, UXA, DRI2 I believe).

Version-Release number of selected component (if applicable):
xorg-x11-drv-intel-2.6.99.902-2.fc11.x86_64
mesa-libGL-7.5-0.8.fc11.x86_64
kernel-2.6.29.1-52.fc11.x86_64
compiz-0.7.8-18.fc11.x86_64
xorg-x11-server-Xorg-1.6.0-19.fc11.x86_64

How reproducible:
Always, corruption appear withing hour of running compiz. If compiz is started 
as part of session (by enabling Desktop Effects), corruption is visible in 
terminal at once.

Steps to Reproduce:
1. Start compiz
2. Do anything for some time.
3.
  
Actual results:
Some letters became garbled, see screenshot.

Expected results:
Ponies.


Additional info:
Hardware is Lenovo Thinkpad T400 with Centrino 2, 4GB RAM.
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/0

------------------------------------------------------------------------
On 2009-04-11T22:06:10+00:00 Tomasz wrote:

Created attachment 339198
Xorg.0.log while text corrupted

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/1

------------------------------------------------------------------------
On 2009-04-13T17:12:30+00:00 Edney wrote:

Seeing this here also. Running KDE 4.2 with compositing enabled, no
xorg.conf either and the texts get corrupted after a long period of use.
Anothere way to make it happen is to run wine, in my case i run it to
play Warcraft. When i get back, texts are messy. Any information, i can
get.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/2

------------------------------------------------------------------------
On 2009-04-14T00:54:24+00:00 Edney wrote:

Created attachment 339402
Weird screen

Just in case it wasn't clear yet.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/3

------------------------------------------------------------------------
On 2009-04-17T22:37:34+00:00 James wrote:

Seen here, too. Most often noticed in Firefox, but corruption of glyphs
shows up elsewhere.

xorg-x11-server-Xorg-1.6.1-6.fc11.x86_64
freetype-2.3.9-3.fc11.x86_64
freetype-2.3.9-3.fc11.i586
xorg-x11-drv-intel-2.6.99.902-3.fc11.x86_64

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/4

------------------------------------------------------------------------
On 2009-04-22T16:10:41+00:00 Jesse wrote:

I'm seeing this as well with i965

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/5

------------------------------------------------------------------------
On 2009-04-22T16:10:55+00:00 Jesse wrote:

Oh and yes, I'm using compiz.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/6

------------------------------------------------------------------------
On 2009-04-24T16:27:59+00:00 Kevin wrote:

I am seeing this here as well with Xfce.

Some observations:

It seems that it's just some random font that gets corrupted glyphs
after some time, then any use of that font results in the corrupted
glyphs.

I have seen it in: midori, xchat, Terminal. It varies.

I have COMPOSITE enabled, but disabling it doesn't bring back the fonts
once they are corrupted.

My card is: 
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML 
Express Integrated Graphics Controller (rev 03)

I don't see anything out of the ordinary in my /var/log/Xorg.0.log.

An example of corruption: 
http://www.scrye.com/~kevin/fedora/fonts-20090423.png

I'm happy to help with any additional debugging. This would be a very
good one to fix before release.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/7

------------------------------------------------------------------------
On 2009-04-24T17:02:53+00:00 Wade wrote:

Getting the same thing,

00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)

http://www.freeimagehosting.net/uploads/0cc0fdd364.png

Going to try and create a reproducer or find a pattern in what is
happening.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/8

------------------------------------------------------------------------
On 2009-04-26T12:36:15+00:00 Tomasz wrote:

Now I'm getting corruptions even with metacity as compositor (it was
happening only under compiz previously).

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/9

------------------------------------------------------------------------
On 2009-04-28T07:31:34+00:00 Wade wrote:

Have not had this for a few days now, always running current rawhide.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/10

------------------------------------------------------------------------
On 2009-04-28T07:59:19+00:00 Wade wrote:

Of course, as soon as I write the comment it appears.  First corrupted
page at
http://www.wired.com/politics/security/news/2009/04/fleetcom?currentPage=all

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/11

------------------------------------------------------------------------
On 2009-04-28T14:14:54+00:00 Dan wrote:

*** Bug 495908 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/12

------------------------------------------------------------------------
On 2009-05-02T00:48:44+00:00 Hubert wrote:

Getting it here. I don't know if it is related, but it started to appear
when the memory usage on the system increased.

00:02.0 VGA compatible controller: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller (rev 03)


F11 (10.92)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/13

------------------------------------------------------------------------
On 2009-05-03T17:21:28+00:00 Dan wrote:

Just got this on rawhide with i915 (Dell D410); have always had it with
i830 (Dell C400).

00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML
Express Graphics Controller (rev 03)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/14

------------------------------------------------------------------------
On 2009-05-03T17:22:08+00:00 Dan wrote:

xorg-x11-drv-intel-2.7.0-2.fc11.i586
xorg-x11-server-Xorg-1.6.1-6.fc11.i586

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/15

------------------------------------------------------------------------
On 2009-05-03T17:23:27+00:00 Dan wrote:

I'm not sure this is Intel specific though, I also get this on a PPC
iBook G4 with ATI Radeon Mobility 7500 (M7LY) every time I switch VT
back to X, even at GDM without having logged in.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/16

------------------------------------------------------------------------
On 2009-05-03T17:37:08+00:00 Dan wrote:

It could also be caused by cairo/freetype interacting with other parts
of the system; I ran an xterm (which appears to be using the same font
as gnome-terminal, not 100% sure that's the case) and the xterm didn't
have any corruption.  xterm does not use cairo/freetype at all, but all
the apps I've noticed corruption in (Firefox, gnome-terminal, gnome-
panel, etc) do use cairo for drawing text.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/17

------------------------------------------------------------------------
On 2009-05-03T17:37:43+00:00 Dan wrote:

Created attachment 342246
xterm and gnome-terminal

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/18

------------------------------------------------------------------------
On 2009-05-04T02:40:27+00:00 Charles wrote:

I was seeing this too on Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller, but the problems *seem* to have gone away with
kernel 2.6.29.2-123.fc11.x86_64.

I'm still seeing a slightly different problem though--screen corruption
when opening emacs or viewing jpeg images in Eye of GNOME, the GNOME
Image Viewer.  Interestingly enough, gqview doesn't have the same
corruption problems.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/19

------------------------------------------------------------------------
On 2009-05-04T13:13:25+00:00 Matěj wrote:

*** Bug 498330 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/20

------------------------------------------------------------------------
On 2009-05-04T14:55:29+00:00 Mary wrote:

I still see this on my Intel graphics with the latest kernel etc. -- I
use KDE, and it's never happened to any of my KDE apps (yet?), only
Firefox and OpenOffice.org.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/21

------------------------------------------------------------------------
On 2009-05-04T14:57:44+00:00 Mary wrote:

And, in contrast to some other comments I've seen, for me the corruption
generally goes away if I close and re-open the affected app -- no need
to restart X or the computer.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/22

------------------------------------------------------------------------
On 2009-05-04T15:41:13+00:00 Rahul wrote:

I am seeing this as well in Firefox primarily. Sorry no easy reproducer.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/23

------------------------------------------------------------------------
On 2009-05-04T15:46:35+00:00 Clemens wrote:

For me suspend to disk makes it appear more often.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/24

------------------------------------------------------------------------
On 2009-05-04T18:22:08+00:00 Christopher wrote:

*** Bug 498499 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/25

------------------------------------------------------------------------
On 2009-05-04T21:05:26+00:00 Kevin wrote:

Ben Boeckel (MathStuf) has seen this in Qt 3 and Qt 4 apps as well, but
also not in a reproducible way. This is not confined to GTK+ apps.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/26

------------------------------------------------------------------------
On 2009-05-05T17:24:23+00:00 Matěj wrote:

*** Bug 496106 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/27

------------------------------------------------------------------------
On 2009-05-05T17:25:05+00:00 Matěj wrote:

*** Bug 498174 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/28

------------------------------------------------------------------------
On 2009-05-05T17:25:33+00:00 Matěj wrote:

*** Bug 498848 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/29

------------------------------------------------------------------------
On 2009-05-09T02:14:10+00:00 Hin-Tak wrote:

I have something similiar with the ati driver, but I'll file a separate
bug...

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/30

------------------------------------------------------------------------
On 2009-05-13T03:13:59+00:00 Manny wrote:

Changing firefox zoom level helps to see pages, but this is only a work
around. Changing the zoom back results in the same glyph corruption.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/31

------------------------------------------------------------------------
On 2009-05-14T04:16:57+00:00 Hin-Tak wrote:

Does anybody see something like this in .xsession-error when text
corruption happens?

(firefox:18539): Pango-WARNING **: shaping failure, expect ugly output.
shape-engine='BasicEngineFc', font='AR PL UMing HK Light 12.705078125',
text='...

(I am on ati though)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/32

------------------------------------------------------------------------
On 2009-05-14T19:06:14+00:00 Ben wrote:

Reproduced on my Lenovo X61 with the following components:

$ rpm -q xorg-x11-server-Xorg kernel metacity pango
xorg-x11-server-Xorg-1.6.1-11.fc11.x86_64
kernel-2.6.29.1-102.fc11.x86_64
kernel-2.6.29.3-140.fc11.x86_64
metacity-2.26.0-1.fc11.x86_64
pango-1.24.1-1.fc11.x86_64
pango-1.24.1-1.fc11.i586

00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 
Integrated Graphics Controller (rev 0c) (prog-if 00 [VGA controller])
        Subsystem: Lenovo T61
        Flags: bus master, fast devsel, latency 0, IRQ 27
        Memory at f8000000 (64-bit, non-prefetchable) [size=1M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 1800 [size=8]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [90] MSI: Mask- 64bit- Count=1/1 Enable+
        Capabilities: [d0] Power Management version 3
        Kernel driver in use: i915
        Kernel modules: i915

00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated 
Graphics Controller (rev 0c)
        Subsystem: Lenovo T61
        Flags: bus master, fast devsel, latency 0
        Memory at f8100000 (64-bit, non-prefetchable) [size=1M]
        Capabilities: [d0] Power Management version 3

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/33

------------------------------------------------------------------------
On 2009-05-14T19:08:39+00:00 Ben wrote:

(In reply to comment #35)
> Reproduced on my Lenovo X61 with the following components:
> 
> $ rpm -q xorg-x11-server-Xorg kernel metacity pango
> xorg-x11-server-Xorg-1.6.1-11.fc11.x86_64
> kernel-2.6.29.1-102.fc11.x86_64
> kernel-2.6.29.3-140.fc11.x86_64
> metacity-2.26.0-1.fc11.x86_64
> pango-1.24.1-1.fc11.x86_64
> pango-1.24.1-1.fc11.i586

and, xorg-x11-drv-intel-2.7.0-4.fc11.x86_64

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/34

------------------------------------------------------------------------
On 2009-05-18T13:49:54+00:00 Kristian wrote:

upstream bug: https://bugs.freedesktop.org/show_bug.cgi?id=21790

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/38

------------------------------------------------------------------------
On 2009-05-20T18:32:50+00:00 Kristian wrote:

*** Bug 501713 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/44

------------------------------------------------------------------------
On 2009-05-22T05:59:00+00:00 Hubert wrote:

I got suggested to disable KMS at boot time, and since I have done that,
I haven't had any problem. Corruption hasn't happened yet.

If anybody else can confirm the work around...

(Note: I have forgotten what is the option to pass to the kernel to
disable KMS... which is not good)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/48

------------------------------------------------------------------------
On 2009-05-22T12:15:36+00:00 Tom wrote:

Well, given that this bug explicitly is about the text corruption that
occurs with KMS enabled... ;)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/49

------------------------------------------------------------------------
On 2009-05-22T20:21:49+00:00 Byron wrote:

After running this morning's kernel upgrade
(kernel-2.6.29.3-155.fc11.x86_64) for a few hours, the corrupted glyphs
seem to be gone.  Hopefully they don't start appearing in a few hours.
I've been through suspend/resume and hibernate/resume cycles and
everything still seems solid.  The kernel changelog mentions a patch
called drm-intel-vmalloc.patch.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/50

------------------------------------------------------------------------
On 2009-05-22T20:38:19+00:00 Edney wrote:

It's been awhile since it happend to me last time. I think this is the
second kernel upgrade (kernel-PAE-2.6.29.3-155.fc11.i686) that doesn't
have the corrupeted glyphs anymore. It's seems working flawless now!

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/51

------------------------------------------------------------------------
On 2009-05-22T20:50:33+00:00 Rahul wrote:

Thanks for your feedback. I am closing this bug based on a couple of
confirmations. If anyone else sees this again, please feel free to
reopen or file a new bug report.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/52

------------------------------------------------------------------------
On 2009-05-22T21:30:03+00:00 Kristian wrote:

Still happens, I'll close the bug when it's fixed.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/53

------------------------------------------------------------------------
On 2009-05-22T21:43:49+00:00 Kristian wrote:

Thinking more about this, the GEM patch from #498131 does change the
allocation mechanism for page lists in the gem fault handler.  That
might change the behaviour of this bug or maybe even fix it, though it's
not clear why.

Can everybody please update to kernel -155 and let us know whether the
bug persists?

Thanks!

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/54

------------------------------------------------------------------------
On 2009-05-22T22:01:37+00:00 Kristian wrote:

Never mind, it's still there...

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/55

------------------------------------------------------------------------
On 2009-05-23T23:53:43+00:00 Matěj wrote:

Created attachment 345210
screenshot of the problem

I can happily reproduce it as well on my brand shiny new T400 Thinkpad
with these packages (yes, I will try xorg-x11-drv-intel-2.7.0-6.fc11 in
a second and will le t you know if anything changed):

bradford:~$ rpm -q xorg-x11-drv-intel kernel
xorg-x11-drv-intel-2.7.0-6.fc11.x86_64
kernel-2.6.29.3-155.fc11.x86_64
kernel-2.6.29.3-159.fc11.x86_64
bradford:~$ uname -r
2.6.29.3-159.fc11.x86_64
bradford:~$ 

However, my smart wife when looking at the corrupt text in Pan the
newsreader noticed a weird thing ... ALL (without one exception I was
able to find) letters "b" were corrupted, not only them but dominance of
"b"s over any other letter was absolutely huge. That and the fact it
seems to be more common with specific fonts (for example, I haven't seen
it yet on bugzilla sans-serif text) makes me thing whether there isn't
some weird interaction between Xorg drivers and Pango/Cairo in play.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/57

------------------------------------------------------------------------
On 2009-05-23T23:59:16+00:00 Matěj wrote:

Created attachment 345213
another screenshot ... now it's "c"s

Hmm, on https://fedoraproject.org/wiki/Common_F11_bugs it's "c"s. Weird.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/58

------------------------------------------------------------------------
On 2009-05-24T00:46:55+00:00 Milos wrote:

Just adding a smolt link of another affected machine:
http://www.smolts.org/client/show/pub_bc0e2ea3-aa19-49f3-9439-b81881fb4a74
(xorg-x11-drv-intel-2.7.0-6.fc11.x86_64)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/59

------------------------------------------------------------------------
On 2009-05-24T09:25:19+00:00 Joachim wrote:

Created attachment 345231
Artifacts when KMS is active for Intel driver

I see artifacts on an "Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset 
Integrated Graphics Device rev 3" when KMS is enabled. Text in the web browser 
exhibits horizontal lines/dots. However, they disappears when the image is 
refreshed e.g. by scrolling. The system is updated to current F11 w/updates:
- kernel-2.6.29.3-155.fc11.i586
- libdrm-2.4.6-7.fc11.i586
- mesa-*-7.5-0.14.fc11.i586
- xorg-x11-drv-intel-2.7.0-6.fc11.i586
- xorg-x11-server-Xorg-1.6.1.901-1.fc11.i586

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/60

------------------------------------------------------------------------
On 2009-05-24T12:22:41+00:00 Matěj wrote:

Could you all please also upgrade kernel to the latest package from koji
for F11? I did so, and I haven't seen the problem for some time ... I
was not able to reproduce it 100% before, so I am not sure it is really
fixed, but with BOTH kernel 2.6.29.3-159.fc11.x86_64 and xorg-x11-drv-
intel-2.7.0-6.fc11.x86_64 it seems to be much better.

Check with uname -r what version of kernel you are actually running

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/62

------------------------------------------------------------------------
On 2009-05-24T12:38:30+00:00 Thorsten wrote:

Just FYI, I yesterday saw corruption with this stack:

kernel-2.6.29.3-155.fc11.x86_64
libdrm-2.4.6-7.fc11.x86_64
xorg-x11-server-Xorg-1.6.1.901-1.fc11.x86_64
libdrm-2.4.6-7.fc11.x86_64
xorg-x11-drv-intel-2.7.0-6.fc11.x86_64

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile
GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c)

Works fine today, but I guess sooner or later it will show up again. Not
sure, but seems playing video makes it happen sooner

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/63

------------------------------------------------------------------------
On 2009-05-24T17:29:15+00:00 Matěj wrote:

(In reply to comment #51)
> Could you all please also upgrade kernel to the latest package from koji for
> F11? I did so, and I haven't seen the problem for some time ... I was not able
> to reproduce it 100% before, so I am not sure it is really fixed, but with 
> BOTH
> kernel 2.6.29.3-159.fc11.x86_64 and xorg-x11-drv-intel-2.7.0-6.fc11.x86_64 it
> seems to be much better.
> 
> Check with uname -r what version of kernel you are actually running  

Unfortunately, after couple of hours of running the computer with pretty
heavy load (installing RHEL in a virtual machine) the corruption is back
with vengeance.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/66

------------------------------------------------------------------------
On 2009-05-26T12:27:36+00:00 Edney wrote:

Unfortunately it also happend to me again after a heavy load (KDE system
tray showing a lot of kopete status messages ). Copositing was disabled
due the heavy load. My stack right now

2.6.29.3-155.fc11.i686.PAE
xorg-x11-drv-intel-2.7.0-6.fc11.i586
xorg-x11-server-Xorg-1.6.1.901-1.fc11.i586
libdrm-2.4.6-7.fc11.i586

and my hardware

00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 0c)

I'm attaching a pic to show the effect on amarok.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/69

------------------------------------------------------------------------
On 2009-05-27T01:24:46+00:00 Jens wrote:

I have only really seen it lightly in firefox so far for the odd
character (today is 'd' ;).

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/70

------------------------------------------------------------------------
On 2009-05-27T19:14:15+00:00 Matěj wrote:

*** Bug 502841 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/72

------------------------------------------------------------------------
On 2009-05-27T21:14:24+00:00 Adam wrote:

this bug should be fixed by:

http://koji.fedoraproject.org/koji/taskinfo?taskID=1380686

can you guys please test and confirm? we intend to use this kernel for
F11 final. thanks!

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/73

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On 2009-05-27T23:32:30+00:00 Scott wrote:

I never figured out a way to reliably reproduce this bug in a short
amount of time but kernel-2.6.29.4-167.fc11.x86_64 does seem to make a
difference.

Previously, if I fill my memory with random bytes to trigger swap with:
python -c 'import random; [ random.randrange(1024) for x in xrange(3*2**30)]'
and browse around in firefox, I have a good chance to see the glyph cache 
corruption in about 10 minutes. I no longer see that on 
kernel-2.6.29.4-167.fc11.x86_64.

I'll keep testing with video playback, openGL test programs with huge
textures etc and report back if I can still reproduce this bug.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/74

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On 2009-05-28T00:17:07+00:00 Adam wrote:

Thanks. I realize it takes a few days to be entirely sure if the bug is
fixed, so we'll wait :) we're going ahead with the work on the final
release using this kernel, but the report on whether or not it actually
fixes this problems will still be useful.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/75

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On 2009-05-28T12:53:03+00:00 Tom wrote:

This new kernel does _NOT_ fix the corruption issue I originally
reported as 496106 ... this bug seems to be a catchall for several intel
kms corruption bugs, mine only occurs when I am in a dual screen
configuration (but is readily reproducable in that configuration by
launching OOo or any TCL/TK application).

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/78

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On 2009-05-28T13:40:31+00:00 Kristian wrote:

(In reply to comment #60)
> This new kernel does _NOT_ fix the corruption issue I originally reported as
> 496106 ... this bug seems to be a catchall for several intel kms corruption
> bugs, 

Most of the comments and screenshots here have the same kind of
corruption (parts of glyphs replaced by other glyphs or garbage) but a
number of different corruption bugs may have been duped to this one.

> mine only occurs when I am in a dual screen configuration (but is readily
> reproducable in that configuration by launching OOo or any TCL/TK 
> application).  

Looking at the screenshot in #496106 it's definitely a different issue.
I've unduped it.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/80

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On 2009-05-29T06:42:13+00:00 Saurabh wrote:

kernel-2.6.29.4-167.fc11.x86_64 did fix corruption and incorrect rendering of 
characters in all applications for me. 
T400 (Display controller: Intel Corporation Mobile 4 Series Chipset Integrated 
Graphics Controller (rev 07) ) in a spanning desktop mode using 2 monitors.

The laptop has been on for more than a day now. Still no corruption.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/83

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On 2009-05-29T10:44:29+00:00 Michal wrote:

I second that bug for pre -167 kernels. Still evaluating the new one.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/85

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On 2009-05-29T16:14:05+00:00 Jesse wrote:

I can confirm fixed as well.  Closing the bug.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/86

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On 2009-06-15T21:23:55+00:00 Adam wrote:

For me the corruption is still there with kernel -167. It tends to
happen when resuming from suspend to RAM, so far as I can tell.

00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/93

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On 2009-06-15T23:50:39+00:00 Edney wrote:

I don't see this bug for a long time now.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/94

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On 2009-06-16T14:18:39+00:00 Kristian wrote:

(In reply to comment #65)
> For me the corruption is still there with kernel -167. It tends to happen when
> resuming from suspend to RAM, so far as I can tell.
> 
> 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
> Express Integrated Graphics Controller (rev 03)  

No, this particular font corruption bug is fixed.  If you see corruption
with your 945, please open a new bug describing the type of corruption
and ideally attach a screen shot.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/95

------------------------------------------------------------------------
On 2009-07-07T14:08:06+00:00 Edney wrote:

I did an upgrade of libdrm using the one provided at updates-testing
repo. I was testing for this bug
https://bugzilla.redhat.com/show_bug.cgi?id=476743 and then i suspended
my machine to RAM. On resume i saw some corruptions on text and graphics
until the machine freezed. I then rebooted and until now nothing strange
happend. Just to let you know.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/385561/comments/103


** Changed in: fedora
   Importance: Unknown => Medium

** Bug watch added: Red Hat Bugzilla #476743
   https://bugzilla.redhat.com/show_bug.cgi?id=476743

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/385561

Title:
  broken fonts in firefox with kms enabled

Status in xf86-video-intel:
  Fix Released
Status in xserver-xorg-video-intel package in Ubuntu:
  Fix Released
Status in Fedora:
  Fix Released

Bug description:
  Binary package hint: xserver-xorg-video-intel

  after a while using karmic with KMS the fonts in firefox (and only in
  firefox) show the wrong glyphs,
  https://bugzilla.redhat.com/show_bug.cgi?id=495323 and
  https://bugs.freedesktop.org/show_bug.cgi?id=21790 seem related and
  seem to have a fix for the problem

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