With Intel SNA acceleration head lines of windows get messed up

[Till Kamppeter]

Since I have switche d to SNA acceleration as described on

https://wiki.ubuntu.com/X/Testing/IntelSNA

The headlines of windows get messed up. See attached screenshot.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
Uname: Linux 3.5.0-22-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Fri Jan 18 12:18:06 2013
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Intel Corporation Device [8086:2040]
InstallationDate: Installed on 2012-07-27 (175 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-22-generic root=UUID=270acb41-78a4-4df9-84b3-2e3943b4d4dd ro video=VGA1:d quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
XorgConf:
 Section "Device"
   Identifier "Card0"
   Driver "intel"
   Option "AccelMethod" "sna"
 EndSection
dmi.bios.date: 08/09/2012
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BHZ7710H.86A.0085.2012.0809.1641
dmi.board.name: DZ77BH-55K
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG39008-400
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrBHZ7710H.86A.0085.2012.0809.1641:bd08/09/2012:svn:pn:pvr:rvnIntelCorporation:rnDZ77BH-55K:rvrAAG39008-400:cvn:ct3:cvr:
version.compiz: compiz 1:0.9.8.6-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

[Till Kamppeter (till-kamppeter)]

Some additional info:

till@till:~/ubuntu/ghostscript/ghostscript-9.06~dfsg$ grep "SNA init" /var/log/Xorg.0.log
[ 5.191] (II) intel(0): SNA initialized with SandyBridge backend
till@till:~/ubuntu/ghostscript/ghostscript-9.06~dfsg$ uname -r
3.5.0-22-generic
till@till:~/ubuntu/ghostscript/ghostscript-9.06~dfsg$ lspci -nn | grep VGA | sed 's/.*Intel Corporation //'
2nd Generation Core Processor Family Integrated Graphics Controller [8086:0102] (rev 09)
till@till:~/ubuntu/ghostscript/ghostscript-9.06~dfsg$

The computer is a custom PC with Intel Desktop Board DZ77BH-55K and Intel Core i5-2400 quad-core CPU.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Timo Aaltonen (tjaalton)]

try with raring instead, and reopen if you can reproduce it.. many people have already reported success with sandybridge though, me included.

[Till Kamppeter (till-kamppeter)]

Timo, on my Raring laptop the problem does not occur. Thanks.

[Rasmus Eneman (pie-or-paj)]

It affects me to i quantal but I havn't tried raring. Should I don't press the "affects me" then?

[Timo Aaltonen (tjaalton)]

Rasmus: this bug is closed as invalid, so there's no point to me-too this bug. Don't use sna on quantal if it causes issues.