gdm crashes

Binary package hint: powermanagement-interface

Sorry to not be able to give a better subject line, but I'm pretty new to ubuntu!

I got a notification of the crash, but i didn't notice anything specifically, or what triggered it. fault info below:
----------------------------------------------------
ProblemType: Crash
CoreDump:
Date: Fri Jan 26 23:04:17 2007
Dependencies:
 debconf 1.5.2ubuntu2
 libx11-data 2:1.0.3-0ubuntu4
 lsb-base 3.1-10ubuntu4
 laptop-detect 0.12.1-ubuntu2
 libxext6 2:1.0.1-1ubuntu1
 libtext-wrapi18n-perl 0.06-5
 libxmuu1 2:1.0.2-1ubuntu1
 libtext-iconv-perl 1.4-3
 sed 4.1.5-1
 vbetool 0.6-1.1
 libxxf86misc1 1:1.0.1-0ubuntu1
 acpi-support 0.90
 mktemp 1.5-2
 powermgmt-base 1.24
 debconf-i18n 1.5.2ubuntu2
 libtext-charwidth-perl 0.04-4
 xset 1:1.0.2-0ubuntu1
 tzdata 2006p-0ubuntu6.10
 coreutils 5.96-5ubuntu4
 sysv-rc 2.86.ds1-14.1ubuntu16
 finger 0.17-10
 smartdimmer 0.1-2
 liblocale-gettext-perl 1.05-1
 libxau6 1:1.0.1-1
 makedev 2.3.1-82ubuntu3
 acpid 1.0.4-5ubuntu4
 libx11-6 2:1.0.3-0ubuntu4
 libsepol1 1.12-1
 libgcc1 1:4.1.1-13ubuntu5
 ncurses-bin 5.5-2ubuntu1
 libpci2 2:2.1.11-2
 libstdc++6 4.1.1-13ubuntu5
 radeontool 1.5-3
 libattr1 2.4.32-1ubuntu1
 libacl1 2.2.39-1ubuntu2
 hdparm 6.6-1ubuntu3
 debianutils 2.16.2
 libncurses5 5.5-2ubuntu1
 libc6 2.4-1ubuntu12.3
 x11-common 1:7.1.1ubuntu6.2
 locales 2.3.22
 laptop-mode-tools 1.31-1ubuntu4
 gcc-4.1-base 4.1.1-13ubuntu5
 toshset 1.71-1.1
 perl-base 5.8.8-6
 module-init-tools 3.2.2-3ubuntu3
 belocs-locales-bin 2.4-1ubuntu6
 libselinux1 1.30-1ubuntu1
 pciutils 1:2.2.1-2ubuntu2
 dmidecode 2.8-2
 base-passwd 3.5.11
 libxdmcp6 1:1.0.1-1
Disassembly:
 Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
 Core was generated by `/usr/bin/gdm-signal --reboot'.
 Program terminated with signal 11, Segmentation fault.
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 Dump of assembler code from 0xb776c593 to 0xb776c5b3:
 0xb776c593 <strchr+99>: mov (%eax),%ecx
 0xb776c595 <strchr+101>: xor %edx,%ecx
 0xb776c597 <strchr+103>: mov $0xfefefeff,%edi
 0xb776c59c <strchr+108>: add %ecx,%edi
 0xb776c59e <strchr+110>: jae 0xb776c677 <strchr+327>
 0xb776c5a4 <strchr+116>: xor %ecx,%edi
 0xb776c5a6 <strchr+118>: or $0xfefefeff,%edi
 0xb776c5ac <strchr+124>: inc %edi
 0xb776c5ad <strchr+125>: jne 0xb776c677 <strchr+327>
 End of assembler dump.
DistroRelease: Ubuntu 6.10
ExecutablePath: /usr/bin/gdm-signal
Package: powermanagement-interface 0.3.11
ProcCmdline: /usr/bin/gdm-signal --reboot
ProcCwd: /home/linette
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
ProcMaps:
 08048000-0804a000 r-xp 00000000 03:01 5439821 /usr/bin/gdm-signal
 0804a000-0804b000 rw-p 00001000 03:01 5439821 /usr/bin/gdm-signal
 0804b000-0806c000 rw-p 0804b000 00:00 0 [heap]
 b748d000-b7496000 r-xp 00000000 03:01 6832434 /lib/tls/i686/cmov/libnss_files-2.4.so
 b7496000-b7498000 rw-p 00008000 03:01 6832434 /lib/tls/i686/cmov/libnss_files-2.4.so
 b7498000-b74a0000 r-xp 00000000 03:01 6832451 /lib/tls/i686/cmov/libnss_nis-2.4.so
 b74a0000-b74a2000 rw-p 00007000 03:01 6832451 /lib/tls/i686/cmov/libnss_nis-2.4.so
 b74a2000-b74b4000 r-xp 00000000 03:01 6832416 /lib/tls/i686/cmov/libnsl-2.4.so
 b74b4000-b74b6000 rw-p 00011000 03:01 6832416 /lib/tls/i686/cmov/libnsl-2.4.so
 b74b6000-b74b8000 rw-p b74b6000 00:00 0
 b74b8000-b74bf000 r-xp 00000000 03:01 6832424 /lib/tls/i686/cmov/libnss_compat-2.4.so
 b74bf000-b74c1000 rw-p 00006000 03:01 6832424 /lib/tls/i686/cmov/libnss_compat-2.4.so
 b74d2000-b74e1000 r--p 00000000 03:01 5817967 /usr/share/locale-langpack/en_AU/LC_MESSAGES/gtk20.mo
 b74e1000-b74e2000 r-xp 00000000 03:01 5835946 /usr/lib/X11/locale/common/xlcUTF8Load.so.2.0.0
 b74e2000-b74e3000 rw-p 00000000 03:01 5835946 /usr/lib/X11/locale/common/xlcUTF8Load.so.2.0.0
 b74e3000-b7516000 r--p 00000000 03:01 5570641 /usr/lib/locale/en_AU.utf8/LC_CTYPE
 b7516000-b75ed000 r--p 00000000 03:01 5570644 /usr/lib/locale/en_AU.utf8/LC_COLLATE
 b75ed000-b75f0000 rw-p b75ed000 00:00 0
 b75f0000-b75ff000 r-xp 00000000 03:01 6832454 /lib/tls/i686/cmov/libpthread-2.4.so
 b75ff000-b7601000 rw-p 0000f000 03:01 6832454 /lib/tls/i686/cmov/libpthread-2.4.so
 b7601000-b7603000 rw-p b7601000 00:00 0
 b7603000-b7607000 r-xp 00000000 03:01 5440267 /usr/lib/libXdmcp.so.6.0.0
 b7607000-b7608000 rw-p 00003000 03:01 5440267 /usr/lib/libXdmcp.so.6.0.0
 b7608000-b762b000 r-xp 00000000 03:01 5445395 /usr/lib/libpng12.so.0.1.2.8
 b762b000-b762c000 rw-p 00023000 03:01 5445395 /usr/lib/libpng12.so.0.1.2.8
 b762c000-b7648000 r-xp 00000000 03:01 5441000 /usr/lib/libexpat.so.1.0.0
 b7648000-b764a000 rw-p 0001c000 03:01 5441000 /usr/lib/libexpat.so.1.0.0
 b764a000-b765d000 r-xp 00000000 03:01 5441111 /usr/lib/libz.so.1.2.3
 b765d000-b765e000 rw-p 00012000 03:01 5441111 /usr/lib/libz.so.1.2.3
 b765e000-b765f000 rw-p b765e000 00:00 0
 b765f000-b76c6000 r-xp 00000000 03:01 5441662 /usr/lib/libfreetype.so.6.3.10
 b76c6000-b76c9000 rw-p 00067000 03:01 5441662 /usr/lib/libfreetype.so.6.3.10
 b76c9000-b76f3000 r-xp 00000000 03:01 5443740 /usr/lib/libpangoft2-1.0.so.0.1400.5
 b76f3000-b76f4000 rw-p 00029000 03:01 5443740 /usr/lib/libpangoft2-1.0.so.0.1400.5
 b76f4000-b76fb000 r-xp 00000000 03:01 6832456 /lib/tls/i686/cmov/librt-2.4.so
 b76fb000-b76fd000 rw-p 00006000 03:01 6832456 /lib/tls/i686/cmov/librt-2.4.so
 b76fd000-b76ff000 r-xp 00000000 03:01 5439506 /usr/lib/libXau.so.6.0.0
 b76ff000-b7700000 rw-p 00001000 03:01 5439506 /usr/lib/libXau.so.6.0.0
 b7700000-b782d000 r-xp 00000000 03:01 6832294 /lib/tls/i686/cmov/libc-2.4.so
 b782d000-b782f000 r--p 0012c000 03:01 6832294 /lib/tls/i686/cmov/libc-2.4.so
 b782f000-b7831000 rw-p 0012e000 03:01 6832294 /lib/tls/i686/cmov/libc-2.4.so
 b7831000-b7835000 rw-p b7831000 00:00 0
 b7835000-b7837000 r-xp 00000000 03:01 6832413 /lib/tls/i686/cmov/libdl-2.4.so
 b7837000-b7839000 rw-p 00001000 03:01 6832413 /lib/tls/i686/cmov/libdl-2.4.so
 b7839000-b783c000 r-xp 00000000 03:01 5440336 /usr/lib/libgmodule-2.0.so.0.1200.4
 b783c000-b783d000 rw-p 00002000 03:01 5440336 /usr/lib/libgmodule-2.0.so.0.1200.4
 b783d000-b7876000 r-xp 00000000 03:01 5440090 /usr/lib/libgobject-2.0.so.0.1200.4
 b7876000-b7877000 rw-p 00038000 03:01 5440090 /usr/lib/libgobject-2.0.so.0.1200.4
 b7877000-b793d000 r-xp 00000000 03:01 5440269 /usr/lib/libX11.so.6.2.0
 b793d000-b7940000 rw-p 000c5000 03:01 5440269 /usr/lib/libX11.so.6.2.0
 b7940000-b79a0000 r-xp 00000000 03:01 5440497 /usr/lib/libcairo.so.2.9.2
 b79a0000-b79a2000 rw-p 0005f000 03:01 5440497 /usr/lib/libcairo.so.2.9.2
 b79a2000-b79da000 r-xp 00000000 03:01 5440214 /usr/lib/libpango-1.0.so.0.1400.5
 b79da000-b79dc000 rw-p 00037000 03:01 5440214 /usr/lib/libpango-1.0.so.0.1400.5
 b79dc000-b79dd000 rw-p b79dc000 00:00 0
 b79dd000-b79e1000 r-xp 00000000 03:01 5440918 /usr/lib/libXfixes.so.3.1.0
 b79e1000-b79e2000 rw-p 00003000 03:01 5440918 /usr/lib/libXfixes.so.3.1.0
 b79e2000-b79ea000 r-xp 00000000 03:01 5440941 /usr/lib/libXcursor.so.1.0.2
 b79ea000-b79eb000 rw-p 00007000 03:01 5440941 /usr/lib/libXcursor.so.1.0.2
 b79eb000-b79ed000 r-xp 00000000 03:01 5440949 /usr/lib/libXrandr.so.2.0.0
 b79ed000-b79ee000 rw-p 00002000 03:01 5440949 /usr/lib/libXrandr.so.2.0.0
 b79ee000-b79f5000 r-xp 00000000 03:01 5440939 /usr/lib/libXi.so.6.0.0
 b79f5000-b79f6000 rw-p 00006000 03:01 5440939 /usr/lib/libXi.so.6.0.0
 b79f6000-b79f8000 r-xp 00000000 03:01 5440947 /usr/lib/libXinerama.so.1.0.0
 b79f8000-b79f9000 rw-p 00001000 03:01 5440947 /usr/lib/libXinerama.so.1.0.0
 b79f9000-b7a00000 r-xp 00000000 03:01 5439677 /usr/lib/libXrender.so.1.3.0
 b7a00000-b7a01000 rw-p 00006000 03:01 5439677 /usr/lib/libXrender.so.1.3.0
 b7a01000-b7a02000 rw-p b7a01000 00:00 0
 b7a02000-b7a0e000 r-xp 00000000 03:01 5440933 /usr/lib/libXext.so.6.4.0
 b7a0e000-b7a0f000 rw-p 0000c000 03:01 5440933 /usr/lib/libXext.so.6.4.0
 b7a0f000-b7a38000 r-xp 00000000 03:01 5440139 /usr/lib/libfontconfig.so.1.0.4
 b7a38000-b7a3d000 rw-p 00028000 03:01 5440139 /usr/lib/libfontconfig.so.1.0.4
 b7a3d000-b7a3e000 rw-p b7a3d000 00:00 0
 b7a3e000-b7a45000 r-xp 00000000 03:01 5444002 /usr/lib/libpangocairo-1.0.so.0.1400.5
 b7a45000-b7a46000 rw-p 00006000 03:01 5444002 /usr/lib/libpangocairo-1.0.so.0.1400.5
 b7a46000-b7a6a000 r-xp 00000000 03:01 6832414 /lib/tls/i686/cmov/libm-2.4.so
 b7a6a000-b7a6c000 rw-p 00023000 03:01 6832414 /lib/tls/i686/cmov/libm-2.4.so
 b7a6c000-b7a81000 r-xp 00000000 03:01 5444017 /usr/lib/libgdk_pixbuf-2.0.so.0.1000.6
 b7a81000-b7a82000 rw-p 00015000 03:01 5444017 /usr/lib/libgdk_pixbuf-2.0.so.0.1000.6
 b7a82000-b7a9a000 r-xp 00000000 03:01 5441317 /usr/lib/libatk-1.0.so.0.1213.0
 b7a9a000-b7a9c000 rw-p 00017000 03:01 5441317 /usr/lib/libatk-1.0.so.0.1213.0
 b7a9c000-b7b1d000 r-xp 00000000 03:01 5444018 /usr/lib/libgdk-x11-2.0.so.0.1000.6
 b7b1d000-b7b20000 rw-p 00081000 03:01 5444018 /usr/lib/libgdk-x11-2.0.so.0.1000.6
 b7b20000-b7b21000 rw-p b7b20000 00:00 0
 b7b21000-b7e6a000 r-xp 00000000 03:01 5444019 /usr/lib/libgtk-x11-2.0.so.0.1000.6
 b7e6a000-b7e70000 rw-p 00349000 03:01 5444019 /usr/lib/libgtk-x11-2.0.so.0.1000.6
 b7e70000-b7e71000 rw-p b7e70000 00:00 0
 b7e71000-b7f02000 r-xp 00000000 03:01 5440089 /usr/lib/libglib-2.0.so.0.1200.4
 b7f02000-b7f03000 rw-p 00091000 03:01 5440089 /usr/lib/libglib-2.0.so.0.1200.4
 b7f03000-b7f04000 r--p 00000000 03:01 5570642 /usr/lib/locale/en_AU.utf8/LC_NUMERIC
 b7f04000-b7f05000 r--p 00000000 03:01 5570643 /usr/lib/locale/en_AU.utf8/LC_TIME
 b7f05000-b7f06000 r--p 00000000 03:01 5570645 /usr/lib/locale/en_AU.utf8/LC_MONETARY
 b7f06000-b7f07000 r--p 00000000 03:01 5622674 /usr/lib/locale/en_AU.utf8/LC_MESSAGES/SYS_LC_MESSAGES
 b7f07000-b7f08000 r--p 00000000 03:01 5570646 /usr/lib/locale/en_AU.utf8/LC_PAPER
 b7f08000-b7f09000 r--p 00000000 03:01 5570647 /usr/lib/locale/en_AU.utf8/LC_NAME
 b7f09000-b7f0a000 r--p 00000000 03:01 5570648 /usr/lib/locale/en_AU.utf8/LC_ADDRESS
 b7f0a000-b7f0b000 r--p 00000000 03:01 5570649 /usr/lib/locale/en_AU.utf8/LC_TELEPHONE
 b7f0b000-b7f0c000 r--p 00000000 03:01 5570650 /usr/lib/locale/en_AU.utf8/LC_MEASUREMENT
 b7f0c000-b7f13000 r--s 00000000 03:01 5440226 /usr/lib/gconv/gconv-modules.cache
 b7f13000-b7f14000 r--p 00000000 03:01 5570653 /usr/lib/locale/en_AU.utf8/LC_IDENTIFICATION
 b7f14000-b7f16000 rw-p b7f14000 00:00 0
 b7f16000-b7f2f000 r-xp 00000000 03:01 6832150 /lib/ld-2.4.so
 b7f2f000-b7f31000 rw-p 00018000 03:01 6832150 /lib/ld-2.4.so
 bf8c4000-bf8da000 rw-p bf8c4000 00:00 0 [stack]
 ffffe000-fffff000 ---p 00000000 00:00 0 [vdso]
ProcStatus:
 Name: gdm-signal
 State: D (disk sleep)
 SleepAVG: 87%
 Tgid: 20961
 Pid: 20961
 PPid: 4700
 TracerPid: 0
 Uid: 1000 1000 1000 1000
 Gid: 1000 1000 1000 1000
 FDSize: 32
 Groups: 4 20 24 25 29 30 44 46 106 110 112 1000
 VmPeak: 11128 kB
 VmSize: 11060 kB
 VmLck: 0 kB
 VmHWM: 2912 kB
 VmRSS: 2912 kB
 VmData: 208 kB
 VmStk: 88 kB
 VmExe: 8 kB
 VmLib: 9288 kB
 VmPTE: 20 kB
 Threads: 1
 SigQ: 0/4294967295
 SigPnd: 0000000000000000
 ShdPnd: 0000000000000000
 SigBlk: 0000000000000000
 SigIgn: 0000000020000000
 SigCgt: 0000000180000000
 CapInh: 0000000000000000
 CapPrm: 0000000000000000
 CapEff: 0000000000000000
Registers:
 Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
 Core was generated by `/usr/bin/gdm-signal --reboot'.
 Program terminated with signal 11, Segmentation fault.
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 eax 0x0 0
 ecx 0x3a3a 14906
 edx 0x3a3a3a3a 976894522
 ebx 0x804ae00 134524416
 esp 0xbf8d6ad8 0xbf8d6ad8
 ebp 0xbf8d6bb8 0xbf8d6bb8
 esi 0xb7f2fce0 -1208812320
 edi 0x0 0
 eip 0xb776c593 0xb776c593 <strchr+99>
 eflags 0x210246 [ PF ZF IF RF ID ]
 cs 0x73 115
 ss 0x7b 123
 ds 0x7b 123
 es 0xc010007b -1072693125
 fs 0x0 0
 gs 0x33 51
Signal: 11
SourcePackage: powermanagement-interface
Stacktrace:
 Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
 Core was generated by `/usr/bin/gdm-signal --reboot'.
 Program terminated with signal 11, Segmentation fault.
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 No symbol table info available.
 #1 0x080492b8 in gdm_init_protocol_connection ()
 No symbol table info available.
 #2 0x08049557 in gdm_update_logout_actions ()
 No symbol table info available.
 #3 0x080496d9 in gdm_supports_logout_action ()
 No symbol table info available.
 #4 0x08048e65 in main ()
 No symbol table info available.
ThreadStacktrace:
 Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
 Core was generated by `/usr/bin/gdm-signal --reboot'.
 Program terminated with signal 11, Segmentation fault.
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 .
 Thread 1 (process 20961):
 #0 0xb776c593 in strchr () from /lib/tls/i686/cmov/libc.so.6
 No symbol table info available.
 #1 0x080492b8 in gdm_init_protocol_connection ()
 No symbol table info available.
 #2 0x08049557 in gdm_update_logout_actions ()
 No symbol table info available.
 #3 0x080496d9 in gdm_supports_logout_action ()
 No symbol table info available.
 #4 0x08048e65 in main ()
 No symbol table info available.
Uname: Linux linuxbox 2.6.17-10-386 #2 Fri Oct 13 18:41:40 UTC 2006 i686 GNU/Linux