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Subject: [Bug 193593] [dtrace] root@test3:/home/adrian/git/norse/dsniff #
 dtrace -n 'pid$target:libc*:flockfile:entry { @[execname, ustack()] =
 count(); } END { trunc(@, 10); }' -p 44592 dtrace: description
 'pid$target:libc*:flockfile:entry ' matched 2 probes Segmentation faul
Date: Sat, 13 Sep 2014 02:41:39 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193593

--- Comment #2 from Adrian Chadd <adrian@freebsd.org> ---
And, uselessly:

root@test3:/home/adrian/git/norse/dsniff # gdb762 /usr/sbin/dtrace
./dtrace.core
GNU gdb (GDB) 7.6.2 [GDB v7.6.2 for FreeBSD]
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-portbld-freebsd10.0".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/dtrace...(no debugging symbols found)...done.
[New process 100302]
[New process 100316]
[New Thread 802808c00 (LWP 100316)]
[New Thread 802806400 (LWP 100302)]
Core was generated by `dtrace'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000080083149b in ?? () from /lib/libthr.so.3
(gdb) bt
#0  0x000000080083149b in ?? () from /lib/libthr.so.3
#1  0x0000000800837145 in pthread_cond_broadcast () from /lib/libthr.so.3
#2  0x0000000800a6c277 in dt_proc_continue () from /lib/libdtrace.so.2
#3  0x00000000004037df in ?? ()
#4  0x000000000040233f in ?? ()
#5  0x0000000800625000 in ?? ()
#6  0x0000000000000000 in ?? ()
(gdb)

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