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Old 07-30-2020, 09:12 PM   #1
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pstack output analysis

Hello Linux Experts,

How to use pstack to identify hanging threads.Can someone please help me with some examples.I am new to Linux

Old 08-03-2020, 04:35 AM   #2
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Hi Pop123, welcome to LQ.

Check out links below might help:

Oracle docs says:
The example shows that the process is waiting for a new connection request, which is a normal response. If the stack shows that the process is still in poll after a request is made, the process might be hung.
So, i guess you need to check the output which has "poll" on it and it might be hung as docs says.

Example below from this link:
fea9da3c poll (fac01a08, 1, 1f4)
feafa8dc poll (1, ffffffff, fac01a08, 1, 670e3849, 1f4) + 34


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