gvfsd-smb[14571]: segfault at c ip 08056b82 sp bfceb560 error 4 in gvfsd-smb[8048000+1f000]

Bug #682850 reported by AndreK on 2010-11-29
This bug affects 4 people
Affects Status Importance Assigned to Milestone
gvfs (Ubuntu)

Bug Description

Binary package hint: gvfs

This happens several times while grsync'ing picture folders (many "small" files)
after multiple crashes, (and restarting of the sync) the process finally completes successfully.

This seems to be related to file copying (reading from SMB) - it happens only during copying.

Today's dmesg;

[189832.672429] gvfsd-smb[13486]: segfault at c ip 08056b82 sp bfcc0790 error 4 in gvfsd-smb[8048000+1f000]
[189975.790480] gvfsd-smb[14490]: segfault at c ip 08056b82 sp bf857280 error 4 in gvfsd-smb[8048000+1f000]
[190060.065423] gvfsd-smb[14528]: segfault at c ip 08056b82 sp bf8065f0 error 4 in gvfsd-smb[8048000+1f000]
[190189.851695] gvfsd-smb[14571]: segfault at c ip 08056b82 sp bfceb560 error 4 in gvfsd-smb[8048000+1f000]

Also seen it earlier with other kernels etc.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: gvfs-backends 1.6.4-0ubuntu1.1
ProcVersionSignature: Ubuntu 2.6.35-23.40-generic-pae
Uname: Linux 2.6.35-23-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Mon Nov 29 21:21:45 2010
ExecutablePath: /usr/lib/gvfs/gvfsd-smb
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
SourcePackage: gvfs

AndreK (andre-k) wrote :
Leslie Viljoen (leslieviljoen) wrote :

During rsync:

Dec 30 13:18:48 lesliev-eMG620 kernel: [ 2105.434893] gvfsd-smb[2213]: segfault at c ip 08056b82 sp bfcc5140 error 4 in gvfsd-smb[8048000+1f000]
Dec 30 13:27:50 lesliev-eMG620 kernel: [ 2647.996788] gvfsd-smb[2500]: segfault at c ip 08056b82 sp bff6e8f0 error 4 in gvfsd-smb[8048000+1f000]

The share then disconnects (no longer mounted under ~/.gvfs) and I have to browse the network again to reconnect it. Rsync does very nicely pick up where it left off but this bug makes for some hard work.

uname -a:
Linux lesliev-eMG620 2.6.35-24-generic-pae #42-Ubuntu SMP Thu Dec 2 03:21:31 UTC 2010 i686 GNU/Linux

kolya (mar-kolya) wrote :

I've added bugreport with patch to gnome bugzilla: https://bugzilla.gnome.org/show_bug.cgi?id=644505.
I wonder if Ubuntu maintainers could update gvfs with this patch - it fixes the problem.

kolya (mar-kolya) wrote :
AndreK (andre-k) wrote :

thank you very much, now waiting for Ubuntu to add it, since I don't know how to do it my self, and recompile.

tags: added: patch
AndreK (andre-k) wrote :

why is status still "new" - when fix is ready ?

Pedro Villavicencio (pedro) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. The issue that you reported is one that should be reproducible with the live environment of the Desktop CD of the stable release - Oneiric Ocelot. It would help us greatly if you could test with it so we can work on getting it fixed. You can find out more about the development release at http://www.ubuntu.com/testing/ . Thanks again and we appreciate your help.

Changed in gvfs (Ubuntu):
importance: Undecided → Low
status: New → Incomplete
AndreK (andre-k) wrote :

So far, I've run only one such backup with grsync on 11.10 - without problem. - this could be random luck, or just no more bug.
-the 11.10 is clean installed, with only some application settings imported (like .grsync settings)
I will do more testing soon, it would be nice if the problem proved to be gone.
Thank you.

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