This stack trace makes little sense. In do_mount(), we see that the
gphoto2_backend is initialized:
gphoto2_backend = 0x9930e0
A few lines before release_device (gphoto2_backend) it even dereferences
gphoto2_backend->camera, and that did not give a segfault, so at that
point gphoto2_backend was still valid. But at this call, the stack trace
claims
#2 0x00000000004058c5 in release_device (gphoto2_backend=0x0) at
gvfsbackendgphoto2.c:621
This cannot be true, before line 621 release_device() derefs
gphoto2_backend dozens of times. So that 0x0 is wrong.
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https://bugs.launchpad.net/bugs/968186
Title:
gvfsd-gphoto2 crashed with SIGSEGV in __pthread_mutex_destroy()
Status in GVFS:
Unknown
Status in “gvfs” package in Ubuntu:
In Progress
Status in “gvfs” source package in Precise:
In Progress
Bug description:
I plugged in my Nokia 5800 to import the photos with Shotwell,
something I do regularly, and received this bug.
My details:
1) Ubuntu 12.04
2) Shotwell 0.11.93
3) Nokia 5800
I would like to help with more information regarding this, if
necessary, so let me know if it is needed.
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gvfs-backends 1.11.5-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
ApportVersion: 1.95-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Thu Mar 29 18:21:55 2012
ExecutablePath: /usr/lib/gvfs/gvfsd-gphoto2
ProcCmdline: /usr/lib/gvfs/gvfsd-gphoto2 --spawner :1.5
/org/gtk/gvfs/exec_spaw/8
ProcEnviron:
SHELL=/bin/bash
LANG=en_US.UTF-8
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gvfs
Title: gvfsd-gphoto2 crashed with SIGSEGV in pthread_mutex_destroy()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
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