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Bug 826684 - Recursive Event Generation Deadlock in Broker
Recursive Event Generation Deadlock in Broker
Status: NEW
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: qpid-cpp (Show other bugs)
2.1
Unspecified Unspecified
medium Severity high
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Assigned To: Ken Giusti
MRG Quality Engineering
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Depends On:
Blocks:
  Show dependency tree / graph
 
Reported: 2012-05-30 14:40 EDT by Ted Ross
Modified: 2013-02-24 22:16 EST (History)
2 users (show)

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Attachments (Terms of Use)
pstack from the broker process (115.63 KB, text/plain)
2012-05-30 14:42 EDT, Ted Ross 		no flags Details
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Description Ted Ross 2012-05-30 14:40:43 EDT 
Description of problem:

Deadlock occurred between two threads in the broker.  A queue message lock was involved so any other thread that tried to access that same queue also became locked.

Version-Release number of selected component (if applicable):

qpid-cpp-0.14-16.el5

How reproducible:

Unknown - likely very rare

Steps to Reproduce:

No reproducer currently.
Comment 1 Ted Ross 2012-05-30 14:42:59 EDT 
Created attachment 587806 [details]
pstack from the broker process
Comment 2 Ted Ross 2012-05-30 14:44:52 EDT 
I'm assuming that the deadlock occurs between threads 1 and 18 in the pstack.
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