Re: Weird database hanging
- From: "Andrew Kerber" <andrew.kerber@xxxxxxxxx>
- To: don@xxxxxxxxx
- Date: Fri, 14 Sep 2007 13:33:23 -0500
Do you have a record of memory availability on the box? I have seen this
type of error when there was no free memory on the server.
On 9/14/07, Don Seiler <don@xxxxxxxxx> wrote:
>
> Running 10gR2 (10.2.0.2) on RHEL4 on 4 64-bit dual-core box. Earlier
> today users complained en masse about not being able to connect to the
> database. I got to a term and found that even trying to log in
> locally as sysdba was hanging.
>
> The alert log had this:
> Fri Sep 14 11:23:36 2007
> kkjcre1p: unable to spawn jobq slave process
> Fri Sep 14 11:23:36 2007
> Errors in file /u00/app/oracle/admin/foo/bdump/foo_cjq0_11519.trc:
> Fri Sep 14 11:25:46 2007
> kkjcre1p: unable to spawn jobq slave process
> Fri Sep 14 11:25:46 2007
> Errors in file /u00/app/oracle/admin/foo/bdump/foo_cjq0_11519.trc:
> Fri Sep 14 11:26:49 2007
> PMON failed to acquire latch, see PMON dump
>
> I hit the Google but before I came back, my login was ready and things
> seemed back to normal. Checking back in the alert log I saw a lot of
> these:
>
> WARNING: inbound connection timed out (ORA-3136)
>
> I'm assuming those are just symptoms of the original cause, and I've
> already found suggestions for treating timeouts in sqlnet.ora and
> listener.ora.
>
> The trace files mentioned have lines such as:
>
> Waited for process J000 to initialize for 60 seconds
>
> repeated for 70, 80, 90 seconds, etc.
>
> So in summary, there was hanging for everyone, it seemed to clear
> itself up. One post on Google suggested that the PROCESSES init
> parameter might be too low. Any other possibilities?
>
> --
> Don Seiler
> oracle: http://ora.seiler.us
> ultimate: http://www.mufc.us
> --
> //www.freelists.org/webpage/oracle-l
>
>
>
--
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'
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