I cannot replicate the bug.  It's probably fixed with the recent changes.
On Feb 14, 2011 11:51 PM, "Bryce Harrington" <email address hidden>
wrote:
> Are you able to reproduce this bug every time or some time that you log
> out and in?
>
> ** Changed in: xorg-server (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are a direct subscriber
> of a duplicate bug (716436).
> https://bugs.launchpad.net/bugs/716251
>
> Title:
> Xorg assert failure: *** glibc detected *** /usr/bin/X: corrupted
> double-linked list: 0x08da5930 ***
>
> Status in “xorg-server” package in Ubuntu:
> Incomplete
>
> Bug description:
> logging into xfce desktop after logging out of unity desktop
>
> ProblemType: Crash
> DistroRelease: Ubuntu 11.04
> Package: xserver-xorg-core 2:1.9.99.901+git20110131.be3be758-0ubuntu3
> ProcVersionSignature: Ubuntu 2.6.38-2.29-generic 2.6.38-rc3
> Uname: Linux 2.6.38-2-generic i686
> Architecture: i386
> AssertionMessage: *** glibc detected *** /usr/bin/X: corrupted
double-linked list: 0x08da5930 ***
> CrashCounter: 1
> DRM.card0.LVDS.1:
> status: connected
> enabled: enabled
> dpms: On
> modes: 1024x600
> edid-base64:
AP///////wAiZOkDt2wAAAMUAQOAFg14CoyFl1tTjicYUFQAAAABAQEBAQEBAQEBAQEBAQEBLBUAMEFYUCBdI5UI3n0AAAAZAAAA/gAAAAAAAAAAAAAAAAAAAAAA/ABIU0QxMDFQRlcyCiAgAAAAEAAKICAgICAgICAgICAgAOE=
> DRM.card0.VGA.1:
> status: disconnected
> enabled: disabled
> dpms: Off
> modes:
> edid-base64:
> Date: Wed Feb 9 23:45:56 2011
> DistUpgraded: Fresh install
> DistroCodename: natty
> DistroVariant: ubuntu
> ExecutablePath: /usr/bin/Xorg
> GraphicsCard:
> Subsystem: QUANTA Computer Inc Device [152d:0834]
> Subsystem: QUANTA Computer Inc Device [152d:0834]
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101204)
> MachineType: Intel Intel powered classmate PC
> ProcCmdline: /usr/bin/X :0 -nr -verbose -auth
/var/run/gdm/auth-for-gdm-dsjSeE/database -nolisten tcp vt7
> ProcEnviron:
> LANG=en_US.UTF-8
> PATH=(custom, no user)
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-2-generic
root=UUID=21509f82-b140-4652-a0af-4a216a82f9ac ro quiet splash vt.handoff=7
> ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-2-generic
root=UUID=21509f82-b140-4652-a0af-4a216a82f9ac ro quiet splash vt.handoff=7
> Signal: 6
> SourcePackage: xorg-server
> StacktraceTop:
> __kernel_vsyscall ()
> raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> abort () at abort.c:92
> __libc_message (do_abort=2, fmt=0xfce07c "*** glibc detected *** %s: %s:
0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
> malloc_printerr (action=<value optimized out>, str=<value optimized out>,
ptr=0x8da5930) at malloc.c:6283
> Title: Xorg assert failure: *** glibc detected *** /usr/bin/X: corrupted
double-linked list: 0x08da5930 ***
> UserGroups:
>
> dmi.bios.date: 03/26/2010
> dmi.bios.vendor: Phoenix
> dmi.bios.version: SPPNV10A.86A.0026.2010.0326.0001
> dmi.board.name: Intel powered classmate PC
> dmi.board.vendor: QCI
> dmi.board.version: SP PV
> dmi.chassis.type: 10
> dmi.chassis.vendor: Intel
> dmi.chassis.version: SP PV
> dmi.modalias:
dmi:bvnPhoenix:bvrSPPNV10A.86A.0026.2010.0326.0001:bd03/26/2010:svnIntel:pnIntelpoweredclassmatePC:pvrSPPV:rvnQCI:rnIntelpoweredclassmatePC:rvrSPPV:cvnIntel:ct10:cvrSPPV:
> dmi.product.name: Intel powered classmate PC
> dmi.product.version: SP PV
> dmi.sys.vendor: Intel
> version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu10
> version.libdrm2: libdrm2 2.4.23-1ubuntu3
> version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
> version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu3
> version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.13.2+git20110124.fadee040-0ubuntu4
> version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.14.0-1ubuntu6
> version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110107+b795ca6e-0ubuntu4
>
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>
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