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[Bug 446641] [NEW] [i845] DRM fails to become master, results in (extremely) slow software rasterization

 

Public bug reported:

Binary package hint: xserver-xorg-video-intel

I'm currently posting this using the vesa driver since -intel is too
excruciatingly slow. The /var/log/Xorg.0.log.old contains the Xorg log
from when I used -intel last X session.


Anyways, the symptoms while using -intel are that everything becomes excruciatingly slow while Xorg eats up all available CPU.
Looking at the log I believe this to be the cause of failure:

drmOpenDevice: node name is /dev/dri/card0
[drm] failed to load kernel module "i915"
(EE) intel(0): [drm] Failed to open DRM device for : No such file or directory
(EE) intel(0): Failed to become DRM master.

This happens on a beta live CD as well as with a fully-updated 9.10.

I believe that the DRM errors lead to the driver falling back to an
extremely slow (slower than vesa) software rasterizer.

ProblemType: Bug
Architecture: i386
Date: Thu Oct  8 15:43:34 2009
DistroRelease: Ubuntu 9.10
MachineType: Hewlett-Packard PPPPPP-ABA MMMMM
NonfreeKernelModules: nvidia
Package: xserver-xorg-video-intel 2:2.9.0-1ubuntu1
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-12-generic root=UUID=f729410d-6864-4a78-9833-a9f7781fd469 ro quiet splash i915.modeset=0
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-12.41-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0-1ubuntu1
 libdrm2 2.4.14-1ubuntu1
 xserver-xorg-video-intel 2:2.9.0-1ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu3
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.31-12-generic i686
XorgConf: Error: [Errno 13] Permission denied: '/etc/X11/xorg.conf'
dmi.bios.date: 05/09/2005
dmi.bios.version: 3.26
dmi.board.name: Gamila/Giovani/Neon series
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: 030
dmi.chassis.type: 3
dmi.modalias: dmi:bvn&oenixTechnologies,LTD:bvr3.26:bd05/09/2005:svnHewlett-Packard:pnPPPPPP-ABAMMMMM:pvr:rvnMICRO-STARINTERNATIONALCO.,LTD:rnGamila/Giovani/Neonseries:rvr030:cvn:ct3:cvr:
dmi.product.name: PPPPPP-ABA MMMMM
dmi.sys.vendor: Hewlett-Packard
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       i686kernel:             2.6.31-12-generic

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
[i845] DRM fails to become master, results in (extremely) slow software rasterization
https://bugs.launchpad.net/bugs/446641
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