Re: pqing stopped inserting when downstream requested feed

The FreeBSD box is AMD.  The Solaris 7 box -- not 8 (my mistake) is Intel.

James, thanks for all your work reproducing our problem.

Jessica

-- 
Jessica M. Thomale
Oklahoma Climatological Survey
E-mail: jthomale@xxxxxx
Mail: 100 E. Boyd, Suite 1210 Norman, OK 73019-1012
Phone: (405) 325-7809
Fax: (405) 325-2550

> From: "James D. Marco" <jdm27@xxxxxxxxxxx>
> Date: Wed, 14 Feb 2001 16:06:31 -0500
> To: Jessica Thomale <jthomale@xxxxxxxxxxxxxxxxxx>
> Cc: ldm-users@xxxxxxxxxxxxxxxx, support@xxxxxxxxxxxxxxxx
> Subject: Re: pqing stopped inserting when downstream requested feed
> 
> Jessica,
> I use the ldmd.conf and "REQUEST" from a local server.
> This is all IDD, but I can now confirm your problem.
> a) I updated one of my systems to Red Hat Linux 7.0
> b) Updated the LDM and recompiled
> c) Configured for a basic WMO ingestion, no decoders
> d) Removed the old queue and made another (256meg)
> e) Started ldm
> f) It killed the data stream on the upstream machine 
> 
> This was working before the upgrade to RH7.0.  The server
> and client were communicating OK. The data stream was OK, at least
> for the small WMO stuff. Both machines are Intel.
> The server is still using ldm5.1.2 on RH6.2.
> The client is RH7.0 (now)
> 
> You appear to have trouble with:
> FreeBSD 4.2 server
> Solaris 8 
> I am assuming these are both Intel(?).
> 
> The errors I get are similar to yours. I am attaching the full logs,
> but be aware that the client log had MY mistake in it.  I  had
> forgotten to build a new queue before starting the ldm (dumb).
> 
> Anne, 
> There is a pretty clear relationship between starting the
> client, and crashing a server process. I did this a couple of times
> to be sure. Any how, some surface thoughts follow. You are probably
> already looking, but:
> Have any of the file locking semantics changed?
> Or the socket interface? (AF_INET, AF_UNIX, AF_LOCAL)
> Have any new functions been added or changed in the queuing?
> (search, indexing, qinsert(), qdelete())
> 
> Anyway, I uninstalled ldm-5.1.3, reinstalled ldm-5.1.2 and it is
> working again.  The server configuration was unchanged, except to
> stop and restart.  I have ldm-5.1.3 running on a RH6.2 box. It is
> not crashing things.
> jdm
> 
> 
> 
> At 02:01 AM 2/14/01 +0000, you wrote:
>> Good Evening,
>> 
>> We are requesting a NOAAPort feed using pqing -P <port number> on a ldm
>> server that serves this data to downstream ldm hosts.
>> 
>> Today, when the downstream ldm server started requesting a feed from the
>> upstream ldm server, one of the pqing processes (importing the NWSTG
>> channel) mysteriously died. I attached a copy of the two ldmd log files.
>> 
>> Both machines are running ldm-5.1.3. The upstream server is a FreeBSD
>> (version 4.2) box.  The downstream server is a Solaris/x86 box (version 8).
>> 
>> There appears to be a problem with the product queue on the upstream ldm
>> server.
>> 
>> Has anyone experienced any problems similar to this problem?
>> 
>> Thank you in advance for any assistance,
>> 
>> Jessica
>> 
>> -- 
>> Jessica M. Thomale
>> Oklahoma Climatological Survey
>> E-mail: jthomale@xxxxxx
>> Mail: 100 E. Boyd, Suite 1210 Norman, OK 73019-1012
>> Phone: (405) 325-7809
>> Fax: (405) 325-2550
>> 
>> 
>> Attachment Converted: "c:\program files\bear
> access\winba\eudora\attach\ldmd.log.downstream"
>> 
>> Attachment Converted: "c:\program files\bear
> access\winba\eudora\attach\ldmd.log.upstream"
>>