Multithreaded program crashes on SMP (HT enabled) machine

Adi Pircalabu apircalabu at
Wed Apr 27 08:28:00 PDT 2005

I have a multithreaded application ported on FreeBSD 5.3 which crashes
in a minute or less if hyperthreading in enabled. Without HT there is no
How and where should I start to investigate the problem?

The backtrace:
(gdb) bt
#0  0x2819631b in pthread_testcancel () from /usr/lib/
#1  0x2818e902 in pthread_mutexattr_init () from
/usr/lib/ #2  0x00000000 in ?? ()

Thank you

Adrian Pircalabu

Public KeyID = 0x04329F5E

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