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[Martin G Miller <mgmiller@xxxxxxxxxxxxx>]

Public bug reported:

I am running a windows file server with several shared folders.  I access them from my Ubuntu machines on a gigabit ethernet local area network using nautilus and save the ones I need as bookmarks.  I also have text files on the server that remain open so I can modify them during the day.  I have done this succesfully for the last 4 years using Ubuntu clients 10.04, 12.04.  I recently did clean installs on 3 of my office machines to 14.04.  All 64 bit.  Establishing the shares and saving them as bookmarks works as expected.  I have the shares open across several workspaces.  Leaving the shares open in their own windows will work only if I continue to use them.  If I take the focus off the open window with the share for 15 minutes, the window becomes unresponsive if I attempt to do anything in it.  I get the error message:
 "Oops! Something went wrong.
Unhandled error message: Software caused connection abort"

I then have to close the open window with the share which takes longer
than normal to close and trying to reopen the share from nautilus also
can take up to 15-20 seconds to re-open.  The share will then work
normally until I again stop using it for about 15 minutes, which causes
a repeat of the problem.  It is very consistent.  Once any of the shares
is made to work again, they all start working normally until the next
time there is a problem.

Thinking it was a Nautilus problem, I tried using both Nemo and Thunar.
They also exhibit the same problem, but instead of throwing an error
message, they turn their window grey for 15-20 seconds and then start
working again.

My current work around is to open a terminal and enter the command:
"sudo watch smbstatus"  which causes the samba server to get pinged
every 2 seconds.  As long as I do this, the shares all seem to work as
expected again.

I have 1 Ubuntu 12.04 machine in my office that continues to handle
samba shares normally.

3) What you expected to happen:
I expect open samba shares to remain responsive and usable no matter how long they are not the focus of activity.

4) What happened instead:
Instead, if the share does not remain the focus, the share becomes unresponsive and must be restarted.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: samba 2:4.1.6+dfsg-1ubuntu2.14.04.1
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 20 11:44:47 2014
InstallationDate: Installed on 2014-05-02 (17 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
RelatedPackageVersions:
 nautilus 1:3.10.1-0ubuntu9
 gvfs     1.20.1-1ubuntu1
SambaClientRegression: Yes
SourcePackage: samba
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1321354

Title:
  open samba shares become unresponsive if unused for 15 minutes

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