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With xinerama enabled (was working correctly in 8.04), gdm repeatedly tries to
restart itself. I found a segmentation fault in dmesg:
[ 281.644131] gdm[6977]: segfault at 8 ip 00007f017e127e44 sp 00007fff875e9ca0
error 4 in libgdk-x11-2.0.so.0.1400.4[7f017e0c9000+9b000]
So I ran startx manually after changing my ulimit and the attached core
file was produced.
(gdb) bt
#0 0x00007fb495c53e44 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#1 0x00007fb495c51421 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#2 0x00007fb495c387d1 in gdk_display_open () from /usr/lib/libgdk-x11-2.0.so.0
#3 0x00007fb495c12c7d in gdk_display_open_default_libgtk_only () from
/usr/lib/libgdk-x11-2.0.so.0
#4 0x00007fb4961e3f9d in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#5 0x00007fb4952728e8 in g_option_context_parse () from
/usr/lib/libglib-2.0.so.0
#6 0x00007fb4961e3de8 in gtk_init_with_args () from
/usr/lib/libgtk-x11-2.0.so.0
#7 0x000000000040d1f7 in ?? ()
#8 0x00007fb494ed6466 in __libc_start_main () from /lib/libc.so.6
#9 0x000000000040ce49 in ?? ()
#10 0x00007fff9f1537e8 in ?? ()
#11 0x000000000000001c in ?? ()
#12 0x0000000000000003 in ?? ()
#13 0x00007fff9f1548c5 in ?? ()
#14 0x00007fff9f1548dd in ?? ()
#15 0x00007fff9f1548e7 in ?? ()
#16 0x0000000000000000 in ?? ()
Information about the core file:
core: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style, from
'/usr/bin/seahorse-agent --execute x-session-manager'
Here is my xorg.conf that reproduces the issue.
Section "ServerLayout"
Identifier "Default Layout"
Screen "Left-Center Screens" 0 0
Screen "Right Screen" RightOf "Left-Center Screens"
Option "Xinerama"
EndSection
Section "Module"
Load "glx"
EndSection
Section "Monitor"
Identifier "VG900b (1,2)"
HorizSync 30.0 - 82.0
VertRefresh 60.0
Option "DPMS"
EndSection
Section "Monitor"
Identifier "VG900b (3)"
HorizSync 30.0 - 82.0
VertRefresh 60.0
Option "DPMS"
EndSection
Section "Device"
# Screen 0
Identifier "nVidia Corporation G70 [GeForce 7600 GT] (rev a1) AGP"
Driver "nvidia"
BusID "PCI:7:00:0"
EndSection
Section "Device"
# Screen 0
Identifier "NVIDIA Corporation NV34 [GeForce FX 5200] PCI"
Driver "nvidia"
BusID "PCI:1:06:0"
EndSection
Section "Screen"
# Option "TwinViewXineramaInfoOverride" "1280x1024+0+0,
1280x1024+1280+
# Option "TwinViewOrientation" "VGA LeftOf DVI"
Identifier "Left-Center Screens"
Device "nVidia Corporation G70 [GeForce 7600 GT] (rev a1) AGP"
Monitor "VG900b (1,2)"
DefaultDepth 24
Option "TwinView" "true"
# Option "NoTwinViewXineramaInfo" "false"
Option "MetaModes" "1280x1024,1280x1024"
Option "AddARGBGLXVisuals" "True"
Option "NoLogo" "True"
Option "RenderAccel" "True"
Option "AllowGLXWithComposite" "True"
Option "RandRRotation" "False"
SubSection "Display"
Depth 24
Modes "1280x1024"
EndSubSection
EndSection
Section "Screen"
Identifier "Right Screen"
Device "NVIDIA Corporation NV34 [GeForce FX 5200] PCI"
Monitor "VG900b (3)"
DefaultDepth 24
Option "MetaModes" "1280x1024"
Option "AddARGBGLXVisuals" "True"
Option "RenderAccel" "True"
Option "AllowGLXWithComposite" "True"
Option "RandRRotation" "False"
SubSection "Display"
Depth 24
Modes "1280x1024"
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
I am using nvidia-173:
nvidia-173-kernel-source install
nvidia-173-modaliases install
nvidia-177-modaliases install
nvidia-71-modaliases install
nvidia-96-modaliases install
nvidia-glx-173 install
nvidia-glx-177 deinstall
nvidia-glx-96 deinstall
nvidia-settings deinstall
00:00.0 RAM memory: nVidia Corporation MCP55 Memory Controller (rev a1)
00:01.0 ISA bridge: nVidia Corporation MCP55 LPC Bridge (rev a2)
00:01.1 SMBus: nVidia Corporation MCP55 SMBus (rev a2)
00:01.2 RAM memory: nVidia Corporation MCP55 Memory Controller (rev a2)
00:02.0 USB Controller: nVidia Corporation MCP55 USB Controller (rev a1)
00:02.1 USB Controller: nVidia Corporation MCP55 USB Controller (rev a2)
00:04.0 IDE interface: nVidia Corporation MCP55 IDE (rev a1)
00:05.0 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
00:05.1 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
00:05.2 IDE interface: nVidia Corporation MCP55 SATA Controller (rev a2)
00:06.0 PCI bridge: nVidia Corporation MCP55 PCI bridge (rev a2)
00:06.1 Audio device: nVidia Corporation MCP55 High Definition Audio (rev a2)
00:0a.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:0b.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:0c.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:0d.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:0e.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:0f.0 PCI bridge: nVidia Corporation MCP55 PCI Express bridge (rev a2)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address
Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM
Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
Miscellaneous Control
01:06.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200]
(rev a1)
01:07.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet
Controller (rev 05)
07:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7600 GT]
(rev a1)
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
--
gdm doesn't start with xinerama, segmentation fault in seahorse-agent running
x-session-manager
https://bugs.launchpad.net/bugs/290821
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