Date: Tue, 4 Mar 2008 17:00:02 GMT From: "Josh Carroll" <josh.carroll@gmail.com> To: freebsd-threads@FreeBSD.org Subject: Re: threads/121343: pthread_cond_wait hanging in libthr Message-ID: <200803041700.m24H02H8070295@freefall.freebsd.org>
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The following reply was made to PR threads/121343; it has been noted by GNATS. From: "Josh Carroll" <josh.carroll@gmail.com> To: "David Xu" <davidxu@freebsd.org> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: threads/121343: pthread_cond_wait hanging in libthr Date: Tue, 4 Mar 2008 11:34:23 -0500 > Can you attach to the process and see all threads info and backtrace ? > for example: > gdb /usr/local/bin/ushare 13323 > > (gdb) info threads I can get a backtrace but not the thread information: (gdb) bt #0 0x00000000409d08da in _umtx_op () from /lib/libc.so.7 #1 0x0000000040ba5c9a in pthread_cleanup_push () from /lib/libthr.so.3 #2 0x0000000040ba231b in pthread_mutex_getprioceiling () from /lib/libthr.so.3 #3 0x0000000040774324 in WorkerThread (arg=0x40770d20) at src/ThreadPool.c:440 #4 0x0000000040b9f459 in pthread_getprio () from /lib/libthr.so.3 #5 0x0000000000000000 in ?? () Error accessing memory address 0x7fffffbff000: Bad address. (gdb) info threads Cannot get thread info: invalid key Is there something I'm doing wrong here?
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