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Client hangs with '-z' option


From: William Brower
Subject: Client hangs with '-z' option
Date: 31 Aug 2002 17:11:41 +1200

I was attempting to measure the effect of compression
with "time cvs -z3 co project" but this command did
not return - it hung after extracting all the files.

I experimented a little further with:

Client$ cvs -t co project
..blah blah...
S-> unlink_file(CVS/Entries.Log)
 -> rename(CVS/Entries.Backup,CVS/Entries)
 -> unlink(CVS/Entries.Log)
cvs checkout: dying gasps from atids-server unexpected

That is, without compression, client does not hang. Then:

Client$ cvs -t -z3 co project
..blah blah...
S-> unlink_file(CVS/Entries.Log)
 -> rename(CVS/Entries.Backup,CVS/Entries)
 -> unlink(CVS/Entries.Log)

<hangs>


When I run this on the server, this command works OK....
Server$ cvs -t -z3 co project
..blah blah...
 -> unlink_file(CVS/Tag)
 -> rename(CVS/Entries.Backup,CVS/Entries)
 -> unlink_file(CVS/Entries.Log)
cvs checkout: dying gasps from atids-server unexpected
 -> Lock_Cleanup()


Two questions:
1) Is the "dying gasps from atids-server unexpected" normal output?
   It sounds bad.
2) Any idea why the '-z3' option would cause a hang on the client?
   It appears to be the Lock_Cleanup() function?


Details:

Client$ uname -a
Linux client.domain 2.4.2-2smp #1 SMP Sun Apr 8 20:21:34 EDT 2001 i686
unknown

Client$ cvs --version
Concurrent Versions System (CVS) 1.11 (client/server)

Client$ echo $CVSROOT
:pserver:address@hidden:/home/cvs/project


Server$ cvs --version
Concurrent Versions System (CVS) 1.11.2 (client/server)

Server$ uname -a
Linux atids-server.domain 2.4.18-3smp #1 SMP Thu Apr 18 07:27:31 EDT
2002 i686 unknown


Thanks,
Bill






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