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[Bug 589520] Re: [KM400]Haven't been able to execute normal gnome login since 10.04 installation; screen blanks then returns to login screen

 

I had the same issue with 10.04 as well as 10.10 Beta.

This fixed the problem for both;

There was no existing xorg.conf file in /etc/X11, so I created one with
the following content;

Section
"ServerFlags"
    Option "AIGLX"
"off"
EndSection

This is my hardware; http://paste.ubuntu.com/507411/

-- 
[KM400]Haven't been able to execute normal gnome login since 10.04 installation; screen blanks then returns to login screen
https://bugs.launchpad.net/bugs/589520
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Status in Intel GMA500 'Poulsbo': Invalid
Status in “xserver-xorg-video-openchrome” package in Ubuntu: Confirmed

Bug description:
Binary package hint: xorg

After a fresh 10.04 installation which seemed to go perfectly, I now can't execute a normal gnome login, but can using safe mode gnome and xterm.  When attempting a normal login there is a short wait after the login screen disappears, then the screen goes blank for a few seconds before returning to the login screen.

The following lines from syslog are what make me think this is a bug;

Jun  4 13:15:34 saltcreek acpid: client connected from 2495[0:0]
Jun  4 13:15:34 saltcreek acpid: 1 client rule loaded
Jun  4 13:15:34 saltcreek kernel: [ 1388.249939] agpgart-via 0000:00:00.0: AGP 3.5 bridge
Jun  4 13:15:34 saltcreek kernel: [ 1388.249969] agpgart-via 0000:00:00.0: bridge is in legacy mode, falling back to 2.x
Jun  4 13:15:34 saltcreek kernel: [ 1388.249977] agpgart-via 0000:00:00.0: putting AGP V2 device into 4x mode
Jun  4 13:15:34 saltcreek kernel: [ 1388.250033] pci 0000:01:00.0: putting AGP V2 device into 4x mode
Jun  4 13:15:36 saltcreek gdm-simple-greeter[2530]: Gtk-WARNING: /build/buildd/gtk+2.0-2.20.0/gtk/gtkwidget.c:5636: widget not within a GtkWindow
Jun  4 13:15:39 saltcreek gdm-session-worker[2532]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed
Jun  4 13:15:49 saltcreek kernel: [ 1403.715360] Xorg[2495]: segfault at 0 ip 080a6712 sp bf99bd2c error 4 in Xorg[8048000+19f000]
Jun  4 13:15:50 saltcreek acpid: client 2495[0:0] has disconnected

Ubuntu release: 
~$ lsb_release -rd
Description:	Ubuntu 10.04 LTS
Release:	10.04

My system:
~$ lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8378 [KM400/A] Chipset Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/VX700 PCI Bridge
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
01:00.0 VGA compatible controller: VIA Technologies, Inc. KM400/KN400/P4M800 [S3 UniChrome] (rev 01)

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
Architecture: i386
Date: Fri Jun  4 13:36:30 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=9a26cb71-8670-4c6c-9a21-20f8f5f804b4 ro quiet splash
ProcEnviron:
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
Title: Xorg crash
dmi.bios.date: 09/23/2004
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F2
dmi.board.name: 7VM400AM-RZ
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd09/23/2004:svn:pn:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn7VM400AM-RZ:rvrx.x:cvn:ct3:cvr:
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-21-generic