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Re: [ZMailer] Zmailer crashes

El 20/05/2010 04:41 p.m., Neal Morgan escribió:
>> on Thursday, May 20, 2010 12:00 PM Ralf Baechle wrote:
>> I'm also getting segfaults from router, a few of them every week.
>> It's a Debian Linux box:
>> Linux mail #1 SMP Mon Oct 26 23:42:58 ART 2009 x86_64
> GNU/Linux Zmailer sources from Eugene's CVS.
>> I've turned on core dumps (ulimit -Sc 51200 in the shell that
> starts/restarts the router) but couldn't ever get a core file, however,
> if I>  signal the router process with kill -SIGSEGV pid I get a core
> file (useless).
>> So I decided to run gdb and attach to each router process (router -dkn
>> 2) and wait...
>> This is what I got when router finally segfaulted.
>> Can anybody help with this gdb trace?
> Rodolfo:
> Hopefully Matti will be able to provide some insight on your core dump.
> FWIW, my original issue with SMTPServer and segfaults went away
> somewhere between upgrading Debian/kernel (to 2.6.26) and getting latest
> ZMailer from CVS and rebuilding.  I am not sure which of those two fixed
> it, but one of them did.
> I do still get the router segfaults - like you.  However, this only
> seems to be happening on my two busier machines (which happen to both be
> x64).  My less busy (x86) machines are not experiencing segfaults.
> Most importantly, I see no evidence the segfaults are causing mail loss
> or delivery delays.  A new router process is created and things continue
> as normal.  (Don't get me wrong, it would be best not to get the
> segfaults...it just becomes less of a priority knowing mail is still
> being delivered).

Yes, the same happens here, the new router process picks up where the
segfaulted one was processing and no mail is lost.

> I'll look forward to suggestions from Matti.
> Thanks,
> Neal


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