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[LDM #EUG-328766]: LDM 6.12.6 crashed with segfault

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  • Subject: [LDM #EUG-328766]: LDM 6.12.6 crashed with segfault
  • Date: Fri, 19 Sep 2014 12:30:03 -0600
Gilbert,

> Over at AllisonHouse, our LDM crashed today on our satellite ingester for 
> NOAAport. After doing some investigation, I found several things:
> 
> 1. The ldmd.log file was over 300 mb in size.

You should have a crontab(1) job that shifts and purges the log files. See 
<http://www.unidata.ucar.edu/software/ldm/ldm-current/basics/newlog.html>.

> 2. /var/spool/messages was getting everything duplicated that is in ldmd.log. 
> This hasn't happened before. And the file size was 350 MB.

I suspect that SELINUX is set to "permissive" rather than "disabled". Check 
"/etc/selinux/config".

> 3. We found that are crying tab service had died. It won't restart. We're 
> trying to fix that now.

I don't recall what a "crying tab service" is.

> 4. We rotated out the large files, thinking that was part, or all, of the 
> problem.
> 
> 5. We found this error:
> 
> noaaportIngeste[6832]: segfault at 10 ip 00007f33e83cd259 sp 00007f33c849e240 
> error 4 in libldm.so.0.0.0[7f33e83af000+89000] in ‘dmesg’

I'll look into this.

> Just thought you'd want to know…

Indeed! Thanks.

> Gilbert

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: EUG-328766
Department: Support LDM
Priority: Normal
Status: Closed