I just rebuilt libc_r and relinked my application. I am now crashing right
away as opposed to after several hours as I have been.
Program terminated with signal 11, Segmentation fault.
#0 0x82fa07c in _thread_kern_sched_state_unlock ()
(gdb) bt
#0 0x82fa07c in _thread_kern_sched_state_unlock ()
#1 0x82f9891 in _thread_kern_sched ()
#2 0x82f9d21 in _thread_kern_sched_state ()
#3 0x8307ee3 in nanosleep (time_to_sleep=0xbfbfd2d4,
time_remaining=0xbfbfd2cc)
at /usr/src/lib/libc_r/uthread/uthread_nanosleep.c:72
#4 0x8307b9e in sleep (seconds=1)
at /usr/src/lib/libc_r/../libc/gen/sleep.c:63
#5 0x8285598 in os_this_thread::sleep (seconds_=1) at thisthrd.cpp:712
#6 0x825bce5 in lyris_CodeBase_Table::open (this=0x85bcd00,
Exclusive=false)
at cbtable3.cpp:588
#7 0x82342f0 in lyris_Table::open (this=0xbfbfd538, Exclusive=false)
at table.cpp:1004
#8 0x8048f9f in lyris_Config::open (this=0xbfbfd4fc, Exclusive=false)
at config.cpp:257
#9 0x8048221 in lyris_Config::lyris_Config (this=0xbfbfd4fc) at
config.cpp:52
#10 0x814be41 in lyris_CommandLine::RunCommandLine (this=0x85adc90,
inargumen...@0xbfbfd788) at lyrcline.cpp:682
#11 0x8160e83 in main (argc=4, argv=0xbfbfd808) at lyrmain.cpp:59
On Wed, 14 Jul 1999, Daniel Eischen wrote:
> > Can someone familiar with the new threads code tell me what is causing the
> > following segmentation fault. Thanks.
> >
> > -Kip
> >
> >
> > Program terminated with signal 11, Segmentation fault.
> > #0 0x82fb15d in mutex_queue_enq (mutex=0x83c3a54, pthread=0x8594e00)
> > at /usr/src/lib/libc_r/uthread/uthread_mutex.c:1281
> > 1281
> > PTHREAD_PRIOQ_INSERT_HEAD(pthread);
> > (gdb) bt
> > #0 0x82fb15d in mutex_queue_enq (mutex=0x83c3a54, pthread=0x8594e00)
> > at /usr/src/lib/libc_r/uthread/uthread_mutex.c:1281
> > #1 0x82f9edd in pthread_mutex_lock (mutex=0x83c3ad4)
> > at /usr/src/lib/libc_r/uthread/uthread_mutex.c:387
>
> I take it you're running -stable without any mods to the threads
> library, right?
>
> There are some bugs in libc_r in stable that have been fixed in
> -current. I think the one that you've hit is an uninitialized
> TAILQ_HEAD in a statically declared mutex (in localtime). It's
> probably about time for a MFC. If someone wants to give me the
> go-ahead, I can do it...
>
> In the mean time, you can grab libc_r/uthread/* from -current
> and rebuild libc_r under -stable.
>
> Dan Eischen
> eisc...@vigrid.com
>
>
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