Date: Fri, 29 Apr 2005 19:26:09 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Adi Pircalabu <apircalabu@bitdefender.com> Cc: freebsd-stable@freebsd.org Subject: Re: Multithreaded program crashes on SMP (HT enabled) machine Message-ID: <20050429192451.Q85282@carver.gumbysoft.com> In-Reply-To: <20050427182850.3056f9f6@apircalabu.dsd.ro> References: <20050427182850.3056f9f6@apircalabu.dsd.ro>
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Dropping -hackers and -bugs On Wed, 27 Apr 2005, Adi Pircalabu wrote: > Hello, > 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 > problem. > How and where should I start to investigate the problem? > Can you expalin "crash"? Do you get any messages? > The backtrace: > (gdb) bt > #0 0x2819631b in pthread_testcancel () from /usr/lib/libpthread.so.1 > #1 0x2818e902 in pthread_mutexattr_init () from > /usr/lib/libpthread.so.1 #2 0x00000000 in ?? () This looks like a thread library mismatch. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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