The following bug has been logged online:
Bug reference: 1397
Logged by: Chris Jones
Email address: [EMAIL PROTECTED]
PostgreSQL version: 7.4.6
Operating system: NetBSD 2.0 i386
Description: busy-loop hang on web server
Details:
I recently upgraded my OS from a previous version. In the process, I
recompiled PostgreSQL 7.3 (using pkgsrc). I began seeing a hang, so I
upgraded to PostgreSQL 7.4.6 (again using pkgsrc). Same problem still
exists:
Every day or two, PostgreSQL will hang. It maxes out the CPU when it does,
with one process seeming to be in a busy loop. There are the normal
auxiliary processes, as well as a zombie which I assume was servicing a
client.
The busy process doesn't respond to kill, only to "kill -KILL". After it
dies off due to this, the others eventually (a minute or so) go away, too.
Nothing appears in errlog around the time of the hang; the only messages
there are associated with various startup operations. The errlog does,
however, indicate the time when the server was interrupted. That time
coincides with when a backup (using dump) was happening last night.
Please let me know what other information would be useful in debugging this.
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