On Fri, Jul 2, 2010 at 9:17 AM, Kern Sibbald <k...@sibbald.com> wrote:

> Hello Robert,
>
> Eric and I "finished" Bacula Enterprise version 4.0.0 today, a bit faster
> than
> I expected, so I am not running all the final tests, which gave me some
> time
> to look at the problem.
>
> I downloaded the zlib source code, and I don't immediately see anything in
> the
> file that would cause problems -- of course it is quite complicated code.
>
> I did look through the Bacula TLS code, and I noticed that the author did
> not
> properly set error conditions in Bacula when it finds an error on the comm
> line.  This could cause Bacula to continue running, and might cause
> subsequent calls to openssl subroutines, when there is no valid data, and
> thus the seg fault.  I still must test the changes I made.
>
> It is rather a long shot, but if you see that everytime that the SD crashes
> it
> is when there is a disrupted comm line problem, then it could well be the
> problem -- of course, if one has a good solid network, there should never
> be
> any "broken pipe" errors, which is possibly why we cannot see the problem.
>
> Having said this, I cannot rule out a problem on openssl at this point.
>

It makes sense to me. I'm transferring the data over the university network,
so the network isn't terrible, however there are plenty of routers and speed
changes between the FD and SD. I don't know if some packets are coming out
of order and may be causing issues (TCP should reorder them before the apps
sees the data anyway). I was running a bond interface on the SD in mode 6
over two different physical switch paths. I have since stopped using bonding
to see if things got better (not really any change).

If you have branch I can pull, I would be happy to help test this.

Thanks,

Robert LeBlanc
Life Sciences & Undergraduate Education Computer Support
Brigham Young University
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