Public bug reported:
Xorg crashes on my system when I configure an InputDevice with a floating
mouse, since I'm trying to create a multiseat system (using 2 videocards, 2
mice, 2 keyboards in one PC, see http://linuxgazette.net/124/smith.html ). A
floating keyboard in an InputDevice section works as a charm and isolates the
keyboard to the specified 'seat'. When the "Floating" option is set to "false"
both mouses move the cursor in both seats.
When "Floating" option is set to "true" i get a segfault in positionSprite of
../../dix/getevents.c:951, I'll attach the full backtrace.
$ lsb_release -rd
Description: Ubuntu 12.04 LTS
Release: 12.04
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.40 Thu Apr 5 21:37:00
PDT 2012
GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: None
Date: Mon Jun 18 20:19:55 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
nvidia-current, 295.40, 3.2.0-23-generic, x86_64: installed
nvidia-current, 295.40, 3.2.0-24-generic, x86_64: installed
nvidia-current, 295.40, 3.2.0-25-generic, x86_64: installed
vboxhost, 4.1.16, 3.2.0-23-generic, x86_64: installed
vboxhost, 4.1.16, 3.2.0-25-generic, x86_64: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
Subsystem: ASUSTeK Computer Inc. Device [1043:84ca]
NVIDIA Corporation GF108 [GeForce GT 440] [10de:0de0] (rev a1) (prog-if 00
[VGA controller])
Subsystem: NVIDIA Corporation Device [10de:0828]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: ASUSTeK COMPUTER INC. V-P8H77E
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic
root=UUID=185642ec-fb09-48b6-8e05-3270d7fbcdca ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/14/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0406
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: V-P8H77E
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0406:bd02/14/2012:svnASUSTeKCOMPUTERINC.:pnV-P8H77E:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnV-P8H77E:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: V-P8H77E
dmi.product.version: System Version
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.7.8-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug crash precise ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1014782
Title:
Xorg crash with floating evdev mouse pointer
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1014782/+subscriptions
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