svn+ssh logs in ok, PAM opens session, but then PAM immediately closes the session

[Joe Schmitt]

Hi,

I'm having problems accessing an SVN repository using TortoiseSVN 1.7.8.

The repository is version 1.6.11 (r934486)

The SVN repository is on a CentOS 6.3 box with openssh 5.3p1:81.el6 and appears to be functioning correctly.

I can access the repository from another CentOS box with this command:
svn list svn+ssh://USER at xxx dot xx dot xx dot xxx/var/svn/joetest

But when I attempt to browse the repository using TortiseSVN from a Win 7 workstation I'm unable to do so using the following path:
svn+ssh://USER at xxx dot xx dot xx dot xxx/var/svn/joetest

I receive the following error from TortoiseSVN:
Unable to connect to a repository at URL 'svn+ssh://USER at xxx dot xx dot xx dot xxx/var/svn/joetest'
To better debug SSH connection problems, remove the -q option from 'ssh' in the [tunnels] section of your Subversion configuration file.
Network connection closed unexpectedly

I'm able to login via SSH from the workstation using Putty.

The results are the same if I attempt access as root.

I've given ownership of the repository /var/svn/ to USER:USER and ran
chmod 2700 -R /var/svn/.

When I watch the log file using tail -fn 2000 /var/log/secure, I see the following each time TortiseSVN asks for the password:
Sep 26 17:34:31 dev sshd[30361]: Accepted password for USER from xx.xxx.xx.xxx port 59101 ssh2
Sep 26 17:34:31 dev sshd[30361]: pam_unix(sshd:session): session opened for user USER by (uid=0)
Sep 26 17:34:31 dev sshd[30361]: pam_unix(sshd:session): session closed for user USER

I'm actually able to login, but the session is then closed immediately.

I looked into modifying the svnserve.conf, but as far as I can tell, it's not used when accessing the repository via svn+ssh, a private svnserve instance is created for each log in via this method.

I've spent a good amount of time looking through the docs and searching for answers, but no luck. Could this be caused by some settings that I'm missing?

I also posted a question on stackoverflow:
http://stackoverflow.com/questions/12606950/tortisesvn-svnssh-logs-in-ok-pam-opens-session-but-then-pam-immediately-close

No help there so far.

Be Well,
Joe

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