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TSVNChace in endless loop on network file system: 1.5.6, Build 14908

From: Jay Kuhn <jay.kuhn_at_impinj.com>
Date: Mon, 12 Jan 2009 20:19:39 -0800



I would guess this might be related to a bug that is listed as fixed as
of the 1.5.1 version. Here is the text from change-log


- BUG: TSVNCache could end up in an endless loop and use all CPU if a
       copy was placed in a root path, e.g., C:\ (Jacques Lemire)


I had behavior like the above bug so I just installed 1.5.6 Build 14908
hoping to resolve. I did not. I can find no further discussion of this
topic in the task data base.


My problem is that when I open my PC explorer window to the top
directory of the directory hierarchy of the working copy I get the
following (Top being the first directory with a .svn directory in it)

1. The explorer window repeatable refreshes. It shows the
directory file list, starts adding green checks to the icons, then the
window goes blank, then it shows the directories again, starts drawing
the icons then repeates. Just cycles like that forever.

2. The TSVNCache.exe process starts running at 20% cpu and runs
forever. I have let this process run for hours and it never settles


If I am above this directory I see a nice folder icon with a green check
box. If I am below the "top" directory everything seems to work fine.
I can descend down all four or so levels of hierarchy and add, commit,
update just fine. Just at that top level it goes into infinite loop.
Once I have hit that directly TSVNCache will continue at 20% load
forever, no matter even if I close the browswer window. This working
copy is buried way down in my personal account file hierarchy on the
file server.


It happens if I access this file directory from a URL
\\filer\homes\jkuhn\designs\ <file:///\\filer\homes\jkuhn\designs\> ....

The same behavior happens if I make a PC mount point of the directory


I thought it maybe do to non-version strange files or a corrupted file.
However I built a completely new working copy and issues one update
command and I still get the behavior.


Here are more details of my setup. One suspicion I have is that the
working copy is on a network file share. I not the bug above said a
root directory.



Here are more details of my setup. It maybe a little unique but it all
seems to work well except for this endless looping.


1. The svn working copy sits in my user account on our corporate
file server. I cannot tell you at the moment exactly what that
hardware it is. It hosts all our files, Linux and windows users. My
guess is it is a Linux system hacked to handle Windows files because it
does not really get Windows 100% correct (It has limited ACLS compared
to normal windows)
2. This is true of the SVN repository as well.
3. The svn working copy is usually managed from our Linux machines
and is using svn+ssh://svnhost/.... Protocol to access the repository.
4. which svn: subversion-1.5.2, reasonably up to date.
5. I am using my windows PC (Windows XP Pro, SP2) with Tortoise SVN
installed to browse my working area. Now 1.5.6
6. This all has worked pretty well. I can update, add, commit
from my PC and have no issue.
7. My working copy and the tree managed by svn is reasonably large.
It it about 4 levels deep and looks like the following. I will need to
refer to these levels of hierarchy to describe exactly what is



Any help would be appreciated. I would like to roll this out as a way
for my group to access their documentation but cannot with this






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Received on 2009-01-13 07:14:40 CET

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