| Title: | *OLD* ALL-IN-1 (tm) Support Conference |
| Notice: | Closed - See Note 4331.l to move to IOSG::ALL-IN-1 |
| Moderator: | IOSG::PYE |
| Created: | Thu Jan 30 1992 |
| Last Modified: | Tue Jan 23 1996 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 4343 |
| Total number of notes: | 18308 |
I have a customer who recently had a problem that was reported by DECps. DECps found four processes that had been hung in MWAIT in excess of two minutes. The four processes were running the OA$MAIN image. These are captive users. The event code flag was RSN$_MAILBOX. A specialist from the VMS group determined that this problem was caused by the OA$MAIN image being unable to write to a mailbox, I assume the DCLMAILBOX. He recommended that DEFMBXBUFQUO may need to be increased. I guess my question is how to determine what to set DEFMBXBUFQUO, and why would only four users experience this problem? VMS 5.5-2 ALL-IN-1 3.0-1 Parameters DEFMBXBUFQUO 1056 DEFMBXMXMSG 256 Thanks, Paul
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 2819.1 | If only Iain were here? | YR2000::WICKS_A | U.S.A 2 England 0 - I was there! | Mon Jun 14 1993 06:39 | 10 |
Paul,
my openeing two questions are....
1) do you know what files the users had locked at the time?
2) are you sure it wasn't OAMAILBOX?
regards,
Andrew.D.Wicks
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| 2819.2 | Unable to troubleshoot problem | MIMS::MORABITO_P | Mon Jun 14 1993 17:39 | 13 | |
Hi Andrew,
Glad to have you back in town after you watched England get beat.
In response to your questions, DECps did not provide information
as to what files were being accessed. The customer was only
aware of the situation when DECps reported it. The customer
did not troubleshoot the problem as it happened. The four
users in question had the hang in a 30 minute time period. Since
then there has been no hangs. I told him to keep checking the DECps
reports. I guess there is no way to know if it was the OAMAILBOX
or not.
Paul
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