Re: locked thread - how to investigate?

In article <d6e7f96f-41b0-46ee-b0c0-7c822a45a74a@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
inetquestion <inetquestion@xxxxxxxxxxx> writes:
I need to troubleshoot an application which is tying up one of the 8
cpu's due to one of the threads being locked up. Over time more of
the threads are being consumed which causes more consumption of the
cpu's. We have run gcore/pstack and validated that the locked threads

Not sure what you mean. A locked up thread would not normally
consume any CPU. Perhaps you mean a thread stuck in a CPU loop?

are ending up in the same state, but I'm kinda at my ropes end on
where to go now... Is there any way to get more insight as to what
an individual thread is doing (in normal operation) before it gets
into a fouled up state?

truss?

In case you were wondering the application is siteminder 6.x running
on solaris 9. The logs don't seems to give any indication as to why
its entering the hung state.

I presume this is a commercial product for which you don't have
source? If so, you'll need to raise a bug with the vendor.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]
.