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Operating System - Tru64 Unix
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System crash --- "a_lock timeout"

Occasional Visitor

System crash --- "a_lock timeout"


I have 3 crash detals (attached here), all occured within amonth, have same "a_lock timeout" panic string and same stack trace details!!!.

4 panic
5 _a_lock_wait
6 u_anon_free
7 u_anon_unmap
8 u_map_delete
9 u_map_exec
10 vm_exec
11 exec_ungetxfile
12 common_exec
13 execve
14 syscall

u_anon_free rtn has trhe current thread id. and all current PID points to oracel process.

i see all your discussion in this forum, hope you can guide me to locate the cause of errors in this.

good day

Agnes Coat

Re: System crash --- "a_lock timeout"

Never forget to give Operating System, level of Patch Kit, standalone or cluster...

Joris Denayer
Respected Contributor

Re: System crash --- "a_lock timeout"


If you have a service contract, contact HP Services.
Make sure you installed all Early Release Patches.

To err is human, but to really faul things up requires a computer
Ralf Puchner
Honored Contributor

Re: System crash --- "a_lock timeout"

first check if all patches are properly installed, be sure you understand the difference between "patch installed" and "patchkit installed", so checking the installation log of dupatch for each patch!

If all patches are properly installed be sure you installed latest patchkit

Next step is to open a call within the HP support center and provide crashdata and vmzcore and sys_check -escalate for analyse.
Help() { FirstReadManual(urgently); Go_to_it;; }
Occasional Visitor

Re: System crash --- "a_lock timeout"

Agens, Joris, Ralf

All the latest patches and Patch kit 3 have been installed, and checked even few of the specific patches which points to similar kind of issues related with anon_rss_enforce set to hard limit; beeninstalled succesfully.
Env is Alpha server cluster 8 cpus, with Tru64 5.1B ver 2650.

Ralf Puchner
Honored Contributor

Re: System crash --- "a_lock timeout"

so next step is to open a call within the HP support center, this is not a call for a forum because it need deeper crash analysis...
Help() { FirstReadManual(urgently); Go_to_it;; }