** No longer affects: xserver-xorg-video-ati (Ubuntu)
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https://bugs.launchpad.net/bugs/514245
Title:
Video tearing with KMS (no video overlay available)
Status in xserver-xorg-video-ati package in Ubuntu:
Invalid
Bug description:
[Problem]
Videos tear (show portions of two consecutive frames simultaneously) when KMS
is used. In Karmic it did not do this because of video overlay, which is not
yet available with KMS.
[Workarounds]
a) Turn off kernel modesetting by using the radeon.modeset=0 option on the
kernel boot line.
or
b) Use xvattr to set XV_BICUBIC to 0. Note that some IGPs are not
powerful enough to support bicubic filtering so turning it off may
help.
[Original Report]
Reproducing video with totem or mplayer does not go smoothly, consecutive
frames are mixed. It looks as if that double buffering was not being use or the
buffer swapping was not synchronized with video vertical sync.
It happens both in full screen and in window mode.
I didn't have this problem with Ubuntu 9.10.
ProblemType: Bug
Architecture: amd64
Date: Fri Jan 29 12:17:36 2010
DistroRelease: Ubuntu 10.04
DkmsStatus:
virtualbox-ose, 3.1.2, 2.6.32-12-generic, x86_64: installed
virtualbox-ose, 3.1.2, 2.6.32-11-generic, x86_64: installed
virtualbox-ose, 3.1.2, 2.6.32-10-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091209)
MachineType: Hewlett-Packard HP dx5150 SFF
Package: xserver-xorg-video-radeon 1:6.12.99+git20100126.e5933fd7-0ubuntu1
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-12-generic
root=UUID=564eb7dd-0d11-4482-b882-f3794a37eb34 ro quiet splash
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
RelatedPackageVersions:
xserver-xorg 1:7.5+1ubuntu2
libgl1-mesa-glx 7.7-0ubuntu8
libdrm2 2.4.17-0ubuntu2
xserver-xorg-video-intel 2:2.9.1-1ubuntu3
SourcePackage: xserver-xorg-video-ati
Uname: Linux 2.6.32-12-generic x86_64
dmi.bios.date: 02/24/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 1.13
dmi.board.name: 09AC
dmi.board.vendor: MSI
dmi.chassis.asset.tag: CZC62933NH
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr1.13:bd02/24/2006:svnHewlett-Packard:pnHPdx5150SFF:pvr:rvnMSI:rn09AC:rvr:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: HP dx5150 SFF
dmi.sys.vendor: Hewlett-Packard
glxinfo: Error: [Errno 2] No such file or directory
system:
distro: Ubuntu
architecture: x86_64kernel: 2.6.32-12-generic
[lspci]
01:05.0 VGA compatible controller [0300]: ATI Technologies Inc RS480 [Radeon
Xpress 200G Series] [1002:5954]
Subsystem: Hewlett-Packard Company Device [103c:3009]
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