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Internal DCE Threads problem (CMA)

By JeffreyMangan ·
Our DB crashed the other day. At the same moment Oracle took a dump, I noticed a cma_dump log was also generated. I want to know if the dB crash caused the cma_dump or vice versa. I do not know what DCE threads are or CMA. Here's some of the error log:rwxrwxrwx 1 yantra users 5663 Dec 29 15:57 cma_dump.log
%Internal DCE Threads problem (version CMA BL10+), terminating execution.
% Reason: hp_preinit_sig_handler:1
The current thread is 1 (address 0x7afbde00)
DECthreads scheduling database is locked.
Current threads:
Thread default thread (7afbde00) 1 : running
No current vp
Join: mutex 4001e148 (21), cv 4001e198 (2)
Sync. wait: mutex 4001e1e8 (22), cv 4001e238 (3)
Start function 0 (0)
Thread's last errno was 0
Scheduling: priority 12, policy throughput
Stack: 7b03e550 (default stack)
Alerts: none pending, general delivery enabled, asynch delivery disabled
Mutexes:
Mutex default attr's mutex (4003dab 1, type fast, unlocked.......

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Internal DCE Threads problem (CMA)

by JeffreyMangan In reply to Internal DCE Threads prob ...

Point value changed by question poster.

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Internal DCE Threads problem (CMA)

by dabutler In reply to Internal DCE Threads prob ...

DCE threads are also known as user threads. Since I do not have your Unix environment, (what flavor?) I will assume HPUX. You may have had a user that initiated a nested query or equivalent... to surpass your maxfiles variable in your kernel. If this happens a lot, check your maxfiles and maxfiles_lim kernel parameter in /stand/system - maxfiles is total number of files open and maxfiles_lim is total limit per process.
Threads are spawned and killed by a parent process, but there is no useexplaining that here. The bottom line is that if you experience this, then either your kernel needs to be re-tuned, or you have a runaway process.
Run "top" to see if you have a runaway process. Let me know what type of unix you are on, if it is not HPUX.

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Internal DCE Threads problem (CMA)

by JeffreyMangan In reply to Internal DCE Threads prob ...

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Internal DCE Threads problem (CMA)

by JeffreyMangan In reply to Internal DCE Threads prob ...

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