unity-panel-service crashed with SIGSEGV in memalign()

[Fran]

Diferentes "chrashes", básicamente de Unity o de Zeitgeist-daemon. El Sistema funciona pero las ventanas a veces se quedan congeladas o quedan rastos de ventanas cuando se minimizan. Al apretar tecla Windows/Ubuntu+S realiza correctamene el spaces y al seleccionar escritorio normalmente las ventanas vuelven a funcionar correctamente.

Ubuntu 11.10 beta 1
Asus G53SW - 8 GB RAM - Intel i7-2630QM, 2.0GHz - 750 GB HD (partición con Windows7)
Drivers propietarios de Nvidia instalados.
Los fallos se reproducen también en Unity 2D

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.14.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] És un directori: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 280.13 Wed Jul 27 16:53:56 PDT 2011
 GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu2)
.tmp.unity.support.test.0:

ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
CrashCounter: 1
Date: Tue Sep 20 14:48:45 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 280.13, 3.0.0-11-generic, x86_64: installed
 nvidia-current-updates, 280.13, 3.0.0-11-generic, x86_64: installed
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 nVidia Corporation GF106 [GeForce GTX 460M] [10de:0dd1] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:2047]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
JockeyStatus:
 xorg:nvidia_current_updates-update - Controlador de gráficos acelerados de NVIDIA (actualizaciones post-lanzamiento) (de propietat, Inhabilitat, No s'està utilitzant)
 xorg:nvidia_current - Controlador gràfic amb acceleració de NVIDIA (de propietat, Habilitat, En ús)
 kmod:nvidia_current - nvidia_current (de propietat, Inhabilitat, No s'està utilitzant)
MachineType: ASUSTeK Computer Inc. G53SW
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=7b4b1a92-a01f-4061-9e66-b815149adfcb ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7fc9578dcc9c: push %rbx
 PC (0x7fc9578dcc9c) ok
 source "%rbx" ok
 destination "(%rsp)" (0x7fffac526000) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 memalign () from /lib/x86_64-linux-gnu/libc.so.6
 posix_memalign () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in memalign()
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XorgConf:
 Section "Device"
  Identifier "Default Device"
  Option "NoLogo" "True"
 EndSection
dmi.bios.date: 02/15/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: G53SW.203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: G53SW
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrG53SW.203:bd02/15/2011:svnASUSTeKComputerInc.:pnG53SW:pvr1.0:rvnASUSTeKComputerInc.:rnG53SW:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: G53SW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #837877, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.