I've seen this problem on a fresh install of 12.10. It doesn't happen often but when it does its impossible for me to kill vlc or unmount the share, I have to log out and back in.
I've found a good workaround to avoid the bug completely though (this work around also fixes a separate problem with vlc, where videos played from mounted smb shares do not respect VLC's network buffer setting, because vlc treats videos opened via gvfs as local files). Instead of double clicking the video in nautilus, drag and drop the video into vlc. Doing this uses vlc's inbuilt smb access module instead of gvfs. Note: for this to work you probably need to go into vlc's settings and fill in your smb username and password (tools > preferences > all > input and codecs > access modules > SMB) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gvfs in Ubuntu. https://bugs.launchpad.net/bugs/1077696 Title: mounted samba share stops working for file access Status in “gvfs” package in Ubuntu: Confirmed Bug description: Ubuntu 12.10 - same problem when acessing SMB shares from two computers same for shares both on Ubuntu 12.10 server, and a windows server. Reproduce; it helps if you play a video/movie using vlc or mplayer from share. the file should be open for hours. (use pause) - when unpaused, the file will play fine. -no new big files on that share will open, small files may work. unmounting + remounting the SMB share may fixe the problem, but other processes may be affected: VLC - while stuck with such samba problem, is impossible to kill, same for smplayer sudo killall vlc -s KILL .. will not kill it. and so unmounting the share takes >10 attempts.. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: gvfs-backends 1.14.0-0ubuntu6 ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7 Uname: Linux 3.5.0-18-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.6.1-0ubuntu6 Architecture: amd64 Date: Sun Nov 11 20:30:49 2012 ExecutablePath: /usr/lib/gvfs/gvfsd-smb MarkForUpload: True ProcEnviron: SHELL=/bin/bash XDG_RUNTIME_DIR=<set> PATH=(custom, no user) LANG=en_US.UTF-8 SourcePackage: gvfs UpgradeStatus: Upgraded to quantal on 2012-10-17 (25 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1077696/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp