EQ overflowing and backtrace from xorg

[starslights]

Binary package hint: xorg

Hello,

I run a fresh install of kubuntu Lucid 10.04 on x86 64 and in my log i have a message about EQoverflowing and a backtrace right after:

 Information [mi] EQ overflowing. The server is probably stuck in an infinite loop.
 Information
 Information Backtrace:
 Information 0: /usr/bin/X (xorg_backtrace+0x28) [0x4a3248]
 Information 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a2ac4]
 Information 2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47cea4]
 Information 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f59e75fd000+0x53cf) [0x7f59e76023cf]
 Information 4: /usr/bin/X (0x400000+0x6fca7) [0x46fca7]
 Information 5: /usr/bin/X (0x400000+0x11d1f3) [0x51d1f3]
 Information 6: /lib/libpthread.so.0 (0x7f59ecb0b000+0xf8f0) [0x7f59ecb1a8f0]
 Information 7: /lib/libc.so.6 (memcpy+0x11) [0x7f59eb86bc41]
 Information 8: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f59e9a3c000+0xacb3) [0x7f59e9a46cb3]
 Information 9: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0xa426) [0x7f59ec47a426]
 Information 10: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0x34859) [0x7f59ec4a4859]
 Information 11: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0x2efa2) [0x7f59ec49efa2]
 Information 12: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0x36cc2) [0x7f59ec4a6cc2]
 Information 13: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0x38030) [0x7f59ec4a8030]
 Information 14: /usr/lib/libpixman-1.so.0 (0x7f59ec470000+0x2ec6a) [0x7f59ec49ec6a]
 Information 15: /usr/lib/libpixman-1.so.0 (pixman_image_composite+0x17c) [0x7f59ec49facc]
 Information 16: /usr/lib/xorg/modules/libwfb.so (wfbComposite+0x220) [0x7f59e8de5c20]
 Information 17: /usr/lib/xorg/modules/libexa.so (0x7f59e8991000+0x10720) [0x7f59e89a1720]
 Information 18: /usr/lib/xorg/modules/libexa.so (0x7f59e8991000+0xdcd3) [0x7f59e899ecd3]
 Information 19: /usr/bin/X (0x400000+0xd8150) [0x4d8150]
 Information 20: /usr/lib/xorg/modules/libexa.so (0x7f59e8991000+0xcce8) [0x7f59e899dce8]
 Information 21: /usr/bin/X (0x400000+0xd4117) [0x4d4117]
 Information 22: /usr/bin/X (0x400000+0x30c3c) [0x430c3c]
 Information 23: /usr/bin/X (0x400000+0x261aa) [0x4261aa]
 Information 24: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f59eb803c4d]
 Information 25: /usr/bin/X (0x400000+0x25d59) [0x425d59]

Actually i don't have installed anymore the Nvidia Driver, while yesterday , right after updating, their was not possible anymore to start kdm, it said that it was unable to load module nvidia. That's why i run only with basic desktop.

Linux xxxxxxx 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:09:38 UTC 2010 x86_64 GNU/Linux

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 x86_64
Architecture: amd64
Date: Sun May 2 00:19:24 2010
DkmsStatus: Error: [Errno 2] Aucun fichier ou dossier de ce type
EcryptfsInUse: Yes
GdmLog: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log'] failed with exit code 1: cat: /var/log/gdm/:0.log: No such file or directory
GdmLog1: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
GdmLog2: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
MachineType: System manufacturer P5Q-E
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-21-generic root=/dev/mapper/hostname-root ro quiet splash
ProcEnviron:
 LANGUAGE=
 LANG=fr_CH.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 02/25/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2001
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2001:bd02/25/2009:svnSystemmanufacturer:pnP5Q-E:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5Q-E
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-21-generic
---
Architecture: amd64
DistroRelease: Ubuntu 10.04
DkmsStatus: nvidia-current, 195.36.15, 2.6.32-22-generic, x86_64: installed
EcryptfsInUse: Yes
GdmLog: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log'] failed with exit code 1: cat: /var/log/gdm/:0.log: No such file or directory
GdmLog1: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
GdmLog2: Error: command ['kdesudo', '--', 'cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
MachineType: System manufacturer P5Q-E
NonfreeKernelModules: nvidia
Package: xserver-xorg-video-nouveau 1:0.0.15+git20100219+9b4118d-0ubuntu5
PackageArchitecture: amd64
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-22-generic root=/dev/mapper/hostname-root ro quiet splash
ProcEnviron:
 LANGUAGE=
 LANG=fr_CH.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Tags: lucid lucid
Uname: Linux 2.6.32-22-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 02/25/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2001
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2001:bd02/25/2009:svnSystemmanufacturer:pnP5Q-E:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5Q-E
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-22-generic

[starslights (starslights)]

Hello,

I have installed my Nvidia Driver now and i have another backtrace, i will add here too while i think to be the same bug.

 Information [mi] EQ overflowing. The server is probably stuck in an infinite loop.
 Information
 Information Backtrace:
 Information 0: /usr/bin/X (xorg_backtrace+0x28) [0x4a3248]
 Information 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a2ac4]
 Information 2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47cea4]
 Information 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f6428d02000+0x53cf) [0x7f6428d073cf]
 Information 4: /usr/bin/X (0x400000+0x6fca7) [0x46fca7]
 Information 5: /usr/bin/X (0x400000+0x11d1f3) [0x51d1f3]
 Information 6: /lib/libpthread.so.0 (0x7f642e970000+0xf8f0) [0x7f642e97f8f0]
 Information 7: /usr/bin/X (0x400000+0x65700) [0x465700]
 Information 8: /lib/libpthread.so.0 (0x7f642e970000+0xf8f0) [0x7f642e97f8f0]
 Information 9: /usr/lib/xorg/extra-modules/nvidia_drv.so (_nv001626X+0x2) [0x7f642961a132]
 Information 10: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f642954a000+0xd4c26) [0x7f642961ec26]
 Information 11: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f642954a000+0x33e324) [0x7f6429888324]
 Information 12: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f642954a000+0x33ec3a) [0x7f6429888c3a]
 Information 13: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7f642954a000+0x33f11b) [0x7f642988911b]
 Information 14: /usr/bin/X (0x400000+0xd8a7b) [0x4d8a7b]
 Information 15: /usr/bin/X (miPaintWindow+0x1aa) [0x45ad1a]
 Information 16: /usr/bin/X (miWindowExposures+0xc8) [0x45b0b8]
 Information 17: /usr/bin/X (0x400000+0x132717) [0x532717]
 Information 18: /usr/bin/X (miHandleValidateExposures+0x2b) [0x5622cb]
 Information 19: /usr/bin/X (UnmapWindow+0x238) [0x457358]
 Information 20: /usr/bin/X (0x400000+0x302c5) [0x4302c5]
 Information 21: /usr/bin/X (0x400000+0x30c3c) [0x430c3c]
 Information 22: /usr/bin/X (0x400000+0x261aa) [0x4261aa]
 Information 23: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f642d668c4d]
 Information 24: /usr/bin/X (0x400000+0x25d59) [0x425d59]

[starslights (starslights)]

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[Lars Volker (lv)]

Architecture: amd64
CurrentDmesg:
 [ 33.872148] [drm] nouveau 0000:03:00.0: Allocating FIFO number 1
 [ 33.872715] [drm] nouveau 0000:03:00.0: nouveau_channel_alloc: initialised FIFO 1
 [ 71.921295] end_request: I/O error, dev fd0, sector 0
 [ 71.971294] end_request: I/O error, dev fd0, sector 0
 [ 98.011188] Clocksource tsc unstable (delta = -221049590 ns)
DistroRelease: Ubuntu 10.04
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Xubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
Lsusb:
 Bus 002 Device 003: ID 0518:0001 EzKEY Corp. USB to PS2 Adaptor v1.09
 Bus 002 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 004: ID 0930:0b09 Toshiba Corp. PX1396E-3T01 External hard drive
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
Package: xserver-xorg-video-nouveau 1:0.0.15+git20100219+9b4118d-0ubuntu5
PackageArchitecture: amd64
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-21-generic root=/dev/mapper/vg0-root ro acpi_enforce_resources=lax quiet splash
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Tags: lucid lucid
Uname: Linux 2.6.32-21-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 02/04/2010
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS M2N-SLI DELUXE ACPI BIOS Revision 5001
dmi.board.name: M2N-SLI DELUXE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2N-SLIDELUXEACPIBIOSRevision5001:bd02/04/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N-SLIDELUXE:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-21-generic

[Lars Volker (lv)]

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[Lars Volker (lv)]

The same problem exists here. It started a couple of days ago.

[Lars Volker (lv)]

What else would one need to debug this issue? Any hint on how to provide further information would be nice.

[Tom de Vries (tjvries)]

I have ubuntu lucid on x86_64, nvidia card with open driver.

Most recent back trace from Xorg.log.0.old:
...
[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x28) [0x4a3248]
1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a2ac4]
2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47cea4]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f7e1236c000+0x53cf) [0x7f7e123713cf]
4: /usr/bin/X (0x400000+0x6fca7) [0x46fca7]
5: /usr/bin/X (0x400000+0x11d1f3) [0x51d1f3]
6: /lib/libpthread.so.0 (0x7f7e1778a000+0xf8f0) [0x7f7e177998f0]
7: /lib/libc.so.6 (ioctl+0x7) [0x7f7e16542157]
8: /lib/libdrm.so.2 (drmIoctl+0x28) [0x7f7e14af35b8]
9: /lib/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f7e14af383b]
10: /lib/libdrm_nouveau.so.1 (0x7f7e144b5000+0x2f7d) [0x7f7e144b7f7d]
11: /lib/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xfc) [0x7f7e144b81bc]
12: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f7e146bb000+0x6538) [0x7f7e146c1538]
13: /usr/lib/xorg/modules/libexa.so (0x7f7e13610000+0x7d3c) [0x7f7e13617d3c]
14: /usr/bin/X (0x400000+0xda63c) [0x4da63c]
15: /usr/bin/X (0x400000+0x2e8e9) [0x42e8e9]
16: /usr/bin/X (0x400000+0x30c3c) [0x430c3c]
17: /usr/bin/X (0x400000+0x261aa) [0x4261aa]
18: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f7e16482c4d]
19: /usr/bin/X (0x400000+0x25d59) [0x425d59]
...

[Tom de Vries (tjvries)]

just happened again:
...
[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x28) [0x4a3248]
1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a2ac4]
2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47cea4]
3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f4e75857000+0x53cf) [0x7f4e7585c3cf]
4: /usr/bin/X (0x400000+0x6fca7) [0x46fca7]
5: /usr/bin/X (0x400000+0x11d1c3) [0x51d1c3]
6: /lib/libpthread.so.0 (0x7f4e7ac76000+0xf8f0) [0x7f4e7ac858f0]
7: /lib/libc.so.6 (ioctl+0x7) [0x7f4e79a2d187]
8: /lib/libdrm.so.2 (drmIoctl+0x28) [0x7f4e77fde5b8]
9: /lib/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f4e77fde83b]
10: /lib/libdrm_nouveau.so.1 (0x7f4e779a0000+0x2f7d) [0x7f4e779a2f7d]
11: /lib/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xfc) [0x7f4e779a31bc]
12: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f4e77ba6000+0x577d) [0x7f4e77bab77d]
13: /usr/lib/xorg/modules/libexa.so (0x7f4e76afb000+0x4347) [0x7f4e76aff347]
14: /usr/lib/xorg/modules/libexa.so (0x7f4e76afb000+0x6f9b) [0x7f4e76b01f9b]
15: /usr/lib/xorg/modules/libexa.so (0x7f4e76afb000+0x10079) [0x7f4e76b0b079]
16: /usr/bin/X (0x400000+0xd970b) [0x4d970b]
17: /usr/bin/X (0x400000+0x2efa4) [0x42efa4]
18: /usr/bin/X (0x400000+0x30c3c) [0x430c3c]
19: /usr/bin/X (0x400000+0x261aa) [0x4261aa]
20: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f4e7996dc4d]
21: /usr/bin/X (0x400000+0x25d59) [0x425d59]
...

[James (james-ellis-gmail)]

Hi

Can confirm this on Kubuntu Maverick (10.10) using KDE 4.5.1 - 4.5.3 packages from official repo.

Use case:
 I installed Nouveau drivers from ubuntu repo after switching from Nvidia binary (ubuntu package) due to CPU suckage and it worked very well until this sudden freeze. Only device working is the mouse. When I ssh in from my N900 X is consuming 99% CPU and the only way to rescue the system is to either issue a reboot via the SSH terminal or hard reset the notebook.
I tried switching to NV driver but it doesn't seem to work or support multiple monitors.

To try to eliminate the freezes I have turned off desktop effects in KDE. Haven't seen a lockup yet but have only been running for a few hours with effects turned off.

I get the same backtrace in Xorg.0.log as in the original report. Bug #624409 and #563598 seem to be related to this one.

System
Intel 32bit Dell M1330 XPS, Nvidia card, 1x 1680x1050 external flat panel connected via HDMI, 1x 1280x800 notebook display.

$ lcpci -vnnn

01:00.0 VGA compatible controller [0300]: nVidia Corporation G86 [GeForce 8400M GS] [10de:0427] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: Dell Device [1028:0209]
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f5000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at f2000000 (64-bit, non-prefetchable) [size=32M]
        I/O ports at ef00 [size=128]
        [virtual] Expansion ROM at f4000000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: nouveau
        Kernel modules: nouveau, nvidiafb

$ xrandr -q
Screen 0: minimum 320 x 200, current 2960 x 1050, maximum 8192 x 8192
LVDS-1 connected 1280x800+1680+0 (normal left inverted right x axis y axis) 287mm x 180mm
   1280x800 60.0*+
   1024x768 59.9
   800x600 59.9
   640x480 59.4
   720x400 59.6
   640x400 60.0
   640x350 59.8
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 473mm x 296mm
   1680x1050 60.0*+
   1600x1000 60.0
   1280x1024 75.0 60.0
   1440x900 59.9
   1280x960 60.0
   1152x864 75.0
   1280x720 50.0
   1152x720 60.0
   1024x768 75.1 60.0
   832x624 74.6
   800x600 75.0 60.3
   720x576 50.0
   720x480 59.9
   640x480 75.0 60.0
   720x400 70.1

[James (james-ellis-gmail)]

no such luck, just had a freeze up with both displays active and desktop effects turned off. Trying again with only one display active.

[James (james-ellis-gmail)]

Sorry to report that nouveau is just too unstable. Switching to "nv" or if that doesn't work it's back to the Nvidia blob.

[James (james-ellis-gmail)]

Found a workaround via the Nouveau bug tracker to this which is to turn off acceleration in Nouveau.

sudo touch /etc/modprobe.d/nouveau-kms.conf (guess it can be called something else ?)

add "options nouveau noaccel=1" to this file and restart, making sure the nouveau driver is installed and there is no trace of the nvidia binary driver on the system or in any xorg.conf/xorg.conf.d file (that part bit me).
Multiple monitors with KDE desktop effects have been working for a couple of days or so with this setup.

Hope that info helps someone.

[Jason McMullan (jason-mcmullan)]

Also having the same issue in Ubuntu 11.04 Alpha, instantly reproducible by running 'gitk' or 'hg view'. Something that Tcl/Tk is doing seems to trigger the problem immediately.

The workaround suggested by James appears to eliminate this issue (although my mouse cursor is noticably skipping around now... oh well).

[Michael Vogt (mvo)]

This just happend for me on natty while running software-cener:

[ 23005.201] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 23005.202]
Backtrace:
[ 23005.209] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a1586]
[ 23005.210] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a0854]
[ 23005.210] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x47bcc7]
[ 23005.210] 3: /usr/bin/X (xf86PostMotionEventP+0x4a) [0x47bdca]
[ 23005.210] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f00610c3000+0x536c) [0x7f00610c836c]
[ 23005.210] 5: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f00610c3000+0x5b7d) [0x7f00610c8b7d]
[ 23005.210] 6: /usr/bin/X (0x400000+0x6ac07) [0x46ac07]
[ 23005.210] 7: /usr/bin/X (0x400000+0x12303e) [0x52303e]

[ 23005.210] 8: /lib/libpthread.so.0 (0x7f006677f000+0xfc80) [0x7f006678ec80]
[ 23005.210] 9: /lib/libc.so.6 (ioctl+0x7) [0x7f00657a1597]
[ 23005.210] 10: /lib/libdrm.so.2 (drmIoctl+0x28) [0x7f0063d53058]
[ 23005.210] 11: /lib/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f0063d5530b]
[ 23005.210] 12: /lib/libdrm_nouveau.so.1 (0x7f0063710000+0x2b87) [0x7f0063712b87]
[ 23005.210] 13: /lib/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xfe) [0x7f006371319e]
[ 23005.210] 14: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f0063916000+0x6ac6) [0x7f006391cac6]
[ 23005.210] 15: /usr/lib/xorg/modules/libexa.so (0x7f0062a93000+0x5e7f) [0x7f0062a98e7f]
[ 23005.210] 16: /usr/lib/xorg/modules/libexa.so (0x7f0062a93000+0x8ac2) [0x7f0062a9bac2]
[ 23005.210] 17: /usr/lib/xorg/modules/libexa.so (0x7f0062a93000+0x13ed2) [0x7f0062aa6ed2]
[ 23005.210] 18: /usr/lib/xorg/modules/libexa.so (0x7f0062a93000+0xfebd) [0x7f0062aa2ebd]
[ 23005.210] 19: /usr/bin/X (0x400000+0xdd2c3) [0x4dd2c3]
[ 23005.210] 20: /usr/lib/xorg/modules/libexa.so (0x7f0062a93000+0x11248) [0x7f0062aa4248]
[ 23005.210] 21: /usr/bin/X (0x400000+0xd81e1) [0x4d81e1]
[ 23005.211] 22: /usr/bin/X (0x400000+0x2da41) [0x42da41]
[ 23005.211] 23: /usr/bin/X (0x400000+0x21abe) [0x421abe]
[ 23005.211] 24: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7f00656e8d1e]
[ 23005.211] 25: /usr/bin/X (0x400000+0x21669) [0x421669]

[Sundberg Pauli (susundberg)]

Confirm -- happened several times with natty:

[ 24739.679] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 24739.679]
Backtrace:
[ 24739.728] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2e56]
[ 24739.728] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a2124]
[ 24739.728] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x47d3d7]
[ 24739.729] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f86e30da000+0x5bfb) [0x7f86e30dfbfb]
[ 24739.729] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f86e30da000+0x65ed) [0x7f86e30e05ed]
[ 24739.729] 5: /usr/bin/X (0x400000+0x6c347) [0x46c347]
[ 24739.729] 6: /usr/bin/X (0x400000+0x12768e) [0x52768e]
[ 24739.729] 7: /lib/libpthread.so.0 (0x7f86e8f3d000+0xfc80) [0x7f86e8f4cc80]
[ 24739.729] 8: /lib/libc.so.6 (ioctl+0x7) [0x7f86e7f33377]
[ 24739.730] 9: /lib/libdrm.so.2 (drmIoctl+0x28) [0x7f86e64cd058]
[ 24739.730] 10: /lib/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f86e64cf30b]
[ 24739.730] 11: /lib/libdrm_nouveau.so.1 (0x7f86e569e000+0x2b87) [0x7f86e56a0b87]
[ 24739.730] 12: /lib/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xfe) [0x7f86e56a119e]
[ 24739.730] 13: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f86e58a4000+0x5bbe) [0x7f86e58a9bbe]
[ 24739.730] 14: /usr/lib/xorg/modules/libexa.so (0x7f86e4a21000+0x9958) [0x7f86e4a2a958]
[ 24739.731] 15: /usr/bin/X (0x400000+0xe16a0) [0x4e16a0]
[ 24739.731] 16: /usr/bin/X (0x400000+0x2ab81) [0x42ab81]
[ 24739.731] 17: /usr/bin/X (0x400000+0x2dfe1) [0x42dfe1]
[ 24739.731] 18: /usr/bin/X (0x400000+0x21bbe) [0x421bbe]
[ 24739.731] 19: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7f86e7e74efe]
[ 24739.731] 20: /usr/bin/X (0x400000+0x21769) [0x421769]

[Jason McMullan (jason-mcmullan)]

As of today, this is still an issue with natty on my Thinkpad T61p

01:00.0 VGA compatible controller: nVidia Corporation G84M [Quadro FX 570M] (rev a1)
00: de 10 0c 04 07 01 10 00 a1 00 00 03 10 00 00 00
10: 00 00 00 d6 0c 00 00 e0 00 00 00 00 04 00 00 d4
20: 00 00 00 00 01 20 00 00 00 00 00 00 aa 17 d9 20
30: 00 00 00 00 60 00 00 00 00 00 00 00 0a 01 00 00
40: aa 17 d9 20 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 00 00 00 01 00 00 00 ce d6 23 00 00 00 00 00
60: 01 68 02 00 00 00 00 00 05 78 80 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 10 00 01 00 e0 84 2c 01
80: 10 28 00 00 01 3d 01 00 48 00 01 11 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Immediately upon starting gitk, X crashes with:

[ 78.845] (II) NOUVEAU(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz)
[ 138.179]
Backtrace:
[ 138.179] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a24d6]
[ 138.179] 1: /usr/bin/X (0x400000+0x6219a) [0x46219a]
[ 138.179] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f47834d1000+0xfc60) [0x7f47834e0c60]
[ 138.179] 3: /lib/x86_64-linux-gnu/libc.so.6 (0x7f47823fc000+0x79c76) [0x7f4782475c76]
[ 138.179] 4: /lib/x86_64-linux-gnu/libc.so.6 (__libc_malloc+0x6e) [0x7f478247831e]
[ 138.179] 5: /usr/lib/xorg/modules/libexa.so (0x7f477f7b3000+0x8b44) [0x7f477f7bbb44]
[ 138.179] 6: /usr/lib/xorg/modules/libexa.so (0x7f477f7b3000+0x13319) [0x7f477f7c6319]
[ 138.179] 7: /usr/bin/X (0x400000+0xdb7fa) [0x4db7fa]
[ 138.179] 8: /usr/bin/X (0x400000+0xdf933) [0x4df933]
[ 138.179] 9: /usr/bin/X (doPolyText+0x385) [0x4303f5]
[ 138.179] 10: /usr/bin/X (PolyText+0x49) [0x431389]
[ 138.179] 11: /usr/bin/X (0x400000+0x2b6a9) [0x42b6a9]
[ 138.179] 12: /usr/bin/X (0x400000+0x2e269) [0x42e269]
[ 138.179] 13: /usr/bin/X (0x400000+0x21a4e) [0x421a4e]
[ 138.179] 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xff) [0x7f478241aeff]
[ 138.179] 15: /usr/bin/X (0x400000+0x215f9) [0x4215f9]
[ 138.179] Segmentation fault at address (nil)
[ 138.180]
Caught signal 11 (Segmentation fault). Server aborting
[ 138.180]
Please consult the The X.Org Foundation support
  at http://wiki.x.org
 for help.
[ 138.180] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 138.180]
[ 141.105] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 141.105]
Backtrace:
[ 141.106] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a24d6]
[ 141.106] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a1794]
[ 141.106] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x47d687]
[ 141.106] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f477da54000+0x5f7b) [0x7f477da59f7b]
[ 141.106] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f477da54000+0x666d) [0x7f477da5a66d]
[ 141.106] 5: /usr/bin/X (0x400000+0x6c627) [0x46c627]
[ 141.106] 6: /usr/bin/...

[Jason McMullan (jason-mcmullan)]

Maybe I spoke too soon. Just saw a new release of the nouveau driver. Updating...

[Jason McMullan (jason-mcmullan)]

Well, the [mi] EQ overflowing no longer occurs, but X now crashes with 'gitk' in a different location after updating X and nouveau:

[ 1253.795] (II) NOUVEAU(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz)
[ 1261.041]
Backtrace:
[ 1261.041] 0: /usr/bin/X (xorg_backtrace+0x26) [0x45d056]
[ 1261.041] 1: /usr/bin/X (0x400000+0x5ae8a) [0x45ae8a]
[ 1261.041] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fc3b2bdd000+0xfc60) [0x7fc3b2becc60]
[ 1261.041] 3: /lib/x86_64-linux-gnu/libc.so.6 (0x7fc3b1b08000+0x79bad) [0x7fc3b1b81bad]
[ 1261.041] 4: /lib/x86_64-linux-gnu/libc.so.6 (0x7fc3b1b08000+0x7b112) [0x7fc3b1b83112]
[ 1261.041] 5: /lib/x86_64-linux-gnu/libc.so.6 (realloc+0xf9) [0x7fc3b1b84b19]
[ 1261.041] 6: /usr/bin/X (ReadRequestFromClient+0x631) [0x4614d1]
[ 1261.041] 7: /usr/bin/X (0x400000+0x41011) [0x441011]
[ 1261.041] 8: /usr/bin/X (0x400000+0x21a7e) [0x421a7e]
[ 1261.041] 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xff) [0x7fc3b1b26eff]
[ 1261.041] 10: /usr/bin/X (0x400000+0x21629) [0x421629]
[ 1261.041] Segmentation fault at address (nil)
[ 1261.041]
Caught signal 11 (Segmentation fault). Server aborting
[ 1261.041]
Please consult the The X.Org Foundation support
  at http://wiki.x.org
 for help.
[ 1261.041] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 1261.041]

[Jason McMullan (jason-mcmullan)]

Additional note: This only uccurs under metacity, never under Unity

[harrier (harrier77)]

It happens to me with Natty and Nvidia current with an ION card. Here is my Xorg.log
  4269.669] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 4738.273] (II) Open ACPI successful (/var/run/acpid.socket)
[ 4738.361] (II) NVIDIA(0): Setting mode "nvidia-auto-select"
[ 4740.001] (--) SynPS/2 Synaptics TouchPad: touchpad found
[ 4747.085] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 4762.450] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 4811.820] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 5371.763] (II) Open ACPI successful (/var/run/acpid.socket)
[ 5371.853] (II) NVIDIA(0): Setting mode "nvidia-auto-select"
[ 5373.582] (--) SynPS/2 Synaptics TouchPad: touchpad found
[ 5377.634] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 5385.219] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 5401.172] (II) XKB: reuse xkmfile /var/lib/xkb/server-0A497B65DAE1EE8CD2CCDAAA62D221D67888DBAC.xkm
[ 5805.453] (WW) NVIDIA(0): WAIT (2, 6, 0x8000, 0x0000f620, 0x000022a8)
[ 5811.027] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[ 5811.029]
Backtrace:
[ 5811.106] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab2b]
[ 5811.107] 1: /usr/bin/X (mieqEnqueue+0x1ab) [0x80e9d0b]
[ 5811.107] 2: /usr/bin/X (xf86PostMotionEventM+0xbf) [0x80c4b6f]
[ 5811.107] 3: /usr/bin/X (xf86PostMotionEvent+0x9a) [0x80c4d9a]
[ 5811.107] 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0x4964) [0x97f964]
[ 5811.107] 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0xad75) [0x985d75]
[ 5811.107] 6: /usr/lib/libutouch-grail.so.1 (grail_pull+0x2ec) [0xb573cc]
[ 5811.107] 7: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0xab31) [0x985b31]
[ 5811.107] 8: /usr/lib/xorg/modules/input/synaptics_drv.so (0x97b000+0x6722) [0x981722]
[ 5811.108] 9: /usr/bin/X (0x8048000+0x6b41f) [0x80b341f]
[ 5811.108] 10: /usr/bin/X (0x8048000+0x12ddb6) [0x8175db6]
[ 5811.108] 11: (vdso) (__kernel_sigreturn+0x0) [0xe71400]

[Bryce Harrington (bryce)]

Likely this bug is something in the linux kernel's nouveau drm driver. If that's true, then booting a newer version of the kernel might resolve it. Has anyone tested if this issue still exists with Lucid 10.04.4?

As we're on the cusp of the next LTS release, it would be worth testing if this issue exists in the 12.04 beta. This can be checked using a USB live image. You can get it at http://cdimage.ubuntu.com/daily/current/, and use USB Disk Creator to make a boot drive. Please update this bug report once you've tested. (If you've already tested any version of ubuntu newer than Lucid and already know it works, that's sufficient testing, just mention that here.)

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]