FIFO underrun, fixed by correcting the WM calculations.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/563366
Title:
[gm45] screen corruption when DefaultDepth = 16
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
Binary package hint: xserver-xorg-video-intel
Hello,
My system works fine at the default depth of 24. However, if I create
a /etc/X11/xorg.conf with the contents
Section "Screen"
Identifier "screen 1"
DefaultDepth 16
EndSection
horizontal lines (looking like static on an old TV) show up when I am using
Firefox on some pages. In particular, when I am using my organization's Zimbra
webmail system moving the mouse over message headers in the inbox causes those
horizontal lines to appear. This always happens when the mouse is hovering over
messages about half-way down the screen (center height).
I also found another situation in which this happens. When I open
gnome-terminal and then run jed to open a file with long lines of text
around the center of the screen, moving the cursor over those center
text lines causes the horizontal corruption to appear, too.
None of this happens if I remove the /etc/X11/xorg.conf (ie, if I run
at 24 depth). Unfortunately 24bit depth prevents me from using some
higher resolutions.
Best
lara
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-video-intel 2:2.9.1-3ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-20.30-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-20-generic x86_64
Architecture: amd64
Date: Wed Apr 14 16:14:26 2010
DkmsStatus:
vboxdrv, 3.1.6, 2.6.32-20-generic, x86_64: installed
vboxnetadp, 3.1.6, 2.6.32-20-generic, x86_64: installed
vboxnetflt, 3.1.6, 2.6.32-20-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
MachineType: Acer Aspire 1810TZ
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-20-generic
root=UUID=aabe5f82-6b13-4361-9592-a8bd2fdc2370 ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: xserver-xorg-video-intel
XorgConf:
Section "Screen"
Identifier "screen 1"
DefaultDepth 16
EndSection
dmi.bios.date: 08/14/2009
dmi.bios.vendor: INSYDE
dmi.bios.version: v0.3115
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrv0.3115:bd08/14/2009:svnAcer:pnAspire1810TZ:pvrv0.3115:rvnAcer:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: Aspire 1810TZ
dmi.product.version: v0.3115
dmi.sys.vendor: Acer
glxinfo: Error: [Errno 2] No such file or directory
system:
distro: Ubuntu
codename: lucid
architecture: x86_64
kernel: 2.6.32-20-generic
[lspci]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: Acer Incorporated [ALI] Device [1025:029b]
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