Date: Fri, 30 May 2003 07:41:05 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.org> To: threads@FreeBSD.org Subject: libkse and signalling (libthr vs ports/net/linuxigd (fwd)) Message-ID: <Pine.NEB.3.96L.1030530074018.80524A-100000@fledge.watson.org>
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I realize this message is mostly about an interaction with libthr, but
thrown in as a freebie at the bottom, the author mentions that it works
fine with libkse except that killall doesn't work (?).
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org Network Associates Laboratories
---------- Forwarded message ----------
Date: Fri, 30 May 2003 15:10:37 +0800
From: leafy <leafy@leafy.idv.tw>
To: freebsd-current@freebsd.org
Subject: libthr vs ports/net/linuxigd
Using libthr for upnpd produces following backtrace when starting up
#0 0x281f5b03 in _umtx_lock () from /usr/lib/libc.so.5
(gdb) backtrace
#0 0x281f5b03 in _umtx_lock () from /usr/lib/libc.so.5
#1 0x280880e8 in _spinlock_pthread (pthread=0x4, lck=0x8054130) at umtx.h:62
#2 0x28088048 in _spinlock (lck=0xc2986ab0)
at /usr/src/lib/libthr/thread/thr_spinlock.c:69
#3 0x2808446d in mutex_lock_common (mutex=0x280d8e0c, nonblock=0)
at /usr/src/lib/libthr/thread/thr_mutex.c:357
#4 0x28084724 in __pthread_mutex_lock (mutex=0x280d8e0c)
at /usr/src/lib/libthr/thread/thr_mutex.c:511
#5 0x280a927a in GetNextItemInQueue(ThreadArg*, PoolQueueItem&) ()
from /usr/local/lib/libupnp.so
#6 0x280a938e in GetNextItemInQueue(ThreadArg*, PoolQueueItem&) ()
from /usr/local/lib/libupnp.so
#7 0x2808214c in _thread_start ()
at /usr/src/lib/libthr/thread/thr_create.c:220
#8 0x282497a7 in _ctx_start () from /usr/lib/libc.so.5
Curiously, libkse works fine (but you can't do 'killall upnpd' with libkse
though)
Jiawei Ye
--
"Without the userland, the kernel is useless."
--inspired by The Tao of Programming
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