On Thursday 05 April 2007 20:32, Brian spake thus:
> Brian wrote:
> > Hi,
> > I am using dirvish to backup various machines in
> > my local network. It works pretty well. But sometimes the dirvish
> > process will give a RC=139 or RC=145 back, and I am trying to debug

RC=139 is more than likely a SEGV, especially based on the logs you provided 
in your mail last June, as I see no code in Dirvish 1.2 that would return 139 
explicitly.

Do you get core dumps?  If so, of what process: perl/dirvish, or rsync? ... 
and what does a debugger have to say (stack trace...)

If you don't have any core dumps, what does "ulimit -c" return for the user 
(root?) running dirvish+rsync on the backup server?

> > Anyway if I start a backup then just kill (-9) rsync on the dirvish
> > machine, I get a RC=0 from dirvish. The tree is then only partially
> > filled, files and directories missing etc.
> > The summary file ends with "Status: Success", the log file ends with the
> > file name of a large file that was new, so it had to be transfered.

Haven't dug into this too much, but if you kill rsync with SIGKILL, then it's 
going to exit with status 137.  Dirvish doesn't have that in 
its %RSYNC_CODES, so doesn't find it there, and since there will likely be no 
error message in the rsync output (since it was just blown away by an 
external cause), I guess dirvish gets tricked into thinking everything was 
OK.  You would probably get the same effect sending SIGSEGV and friends 
(since dirvish does not try to trap them).

> > So, is it correct that I get an RC=0 from dirvish, for this?

Open a bug report (on the wiki I suppose).

> > How can I get more debugging output, only via the rsync options?

man rsync.

That's not going to help if the pb is ahead of rsync.

> Dang,
> the other RC was 149 not 145. And I can provoke that with invalid rsync
> options. So can it be in some cases that dirvish is calling rsync with
> incorrect parms. I guess I can try the rsync command directly next time
> it goes wrong.

Exit 149 means the rsync process exited with a non-fatal error (from Dirvish's 
point of view).  See "man dirvish".  You should be able to see the reason for 
the failure in the file called "log" under the image directory.

Cheers,
Eric
-- 
Eric Mountain
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