gnome-power-manager crashed with SIGSEGV in free()

[Eliah Kagan]

Binary package hint: gnome-power-manager

I booted the Oneiric i386 20110610 daily-live, was presented with a login screen, logged in as Ubuntu live user (ubuntu) with session type "Ubuntu", and Apport indicated that gnome-power-manager (version 3.0.2-0ubuntu1) crashed with SIGSEGV in free().

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gnome-power-manager 3.0.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.39-3.10-generic 2.6.39
Uname: Linux 2.6.39-3-generic i686
Architecture: i386
CurrentDmesg:
 [ 59.000819] ENS1371 0000:02:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
 [ 62.987799] lp0: using parport0 (interrupt-driven).
 [ 1636.377341] lightdm[1839]: segfault at aaaaaaca ip 0804bb73 sp bf9d95b0 error 4 in lightdm[8048000+14000]
 [ 1661.176595] gnome-power-man[2780]: segfault at 0 ip 00a3836c sp bfd84fb8 error 6 in libc-2.13.so[9c8000+15b000]
 [ 1671.176516] gnome-power-man[2929]: segfault at 8 ip 0805059c sp bf9f2aa0 error 4 in gnome-power-manager[8048000+29000]
Date: Sat Jun 11 02:35:13 2011
ExecutablePath: /usr/bin/gnome-power-manager
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GnomeSessionSuspendInhibited: No
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110610)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: VMware, Inc. VMware Virtual Platform
ProcCmdline: gnome-power-manager
ProcCwd: /home/ubuntu
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash --
SegvAnalysis:
 Segfault happened at: 0xa3836c <free+92>: lock cmpxchg %ecx,(%esi)
 PC (0x00a3836c) ok
 source "%ecx" ok
 destination "(%esi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-power-manager
StacktraceTop:
 free () from /lib/i386-linux-gnu/libc.so.6
 g_free () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_error_free () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? ()
 g_cclosure_marshal_VOID(int0_t) () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: gnome-power-manager crashed with SIGSEGV in free()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 12/31/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd12/31/2009:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.

[Apport retracing service (apport)]

StacktraceTop:
 __libc_free (mem=0x9a04b10) at malloc.c:3736
 g_try_malloc (n_bytes=161499920) at /build/buildd/glib2.0-2.29.8/./glib/gmem.c:278
 g_error_free (error=0x9a905c0) at /build/buildd/glib2.0-2.29.8/./glib/gerror.c:139
 gpm_backlight_idle_changed_cb (idle=0x9a55ec8, mode=GPM_IDLE_MODE_DIM, backlight=0x9a422c0) at gpm-backlight.c:534
 g_cclosure_marshal_VOID__INT (closure=0x9a663b8, return_value=0x0, n_param_values=2, param_values=0x9a8ad18, invocation_hint=0xbfd85170, marshal_data=0x0) at /build/buildd/glib2.0-2.29.8/./gobject/gmarshal.c:209

[Pedro Villavicencio (pedro)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please try to obtain a valgrind log following the instructions at https://wiki.ubuntu.com/Valgrind and attach the file to the bug report. This will greatly help us in tracking down your problem.

[Launchpad Janitor (janitor)]

[Expired for gnome-power-manager (Ubuntu) because there has been no activity for 60 days.]