On Tue, 2011-05-10 at 10:11 +0200, Richard Braun wrote:
> On Mon, May 09, 2011 at 06:33:14PM +0200, Svante Signell wrote:
> > Continuing the struggle with the ghc and ruby build problems I stumbled
> > into finding two kernel (signal) threads in addition to the main (user)
> > thread. According to Neal on IRC there shouldn't be more than one kernel
> > thread running. This could be due to some race condition (don't know yet
> > where).
>
> What makes you think there are two signal threads ?
Did you look at the pasted output? I would call threads 5 and 6 signal
threads and thread 4 the main thrread!? Is there any way to find out??
Thread 4 is the main thread, I just didn't set the code directory path
in gdb to see that.
gdb) thread apply all bt
Thread 6 (Thread 19821.6):
#0 0x010f7f4c in mach_msg_trap ()
at
/home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.11.2/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2
#1 0x010f8749 in __mach_msg (msg=0x29fd4, option=1282, send_size=0,
rcv_size=0, rcv_name=127, timeout=20, notify=0) at msg.c:110
#2 0x01195608 in timer_thread () at ../sysdeps/mach/hurd/setitimer.c:91
Cannot access memory at address 0x2a000
Thread 5 (Thread 19821.5):
#0 0x010f7f4c in mach_msg_trap ()
at
/home/buildd/build/chroot-sid/home/buildd/byhand/eglibc-2.11.2/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2
#1 0x010f8749 in __mach_msg (msg=0x17fef30, option=2, send_size=0,
rcv_size=4096, rcv_name=119, timeout=0, notify=0) at msg.c:110
#2 0x010f8e04 in __mach_msg_server_timeout (demux=0x1109980
<msgport_server>, max_size=4096, rcv_name=119, option=0, timeout=0) at
msgserver.c:101
#3 0x010f8f4b in __mach_msg_server (demux=0x1109980 <msgport_server>,
max_size=4096, rcv_name=119) at msgserver.c:196
#4 0x0110994f in _hurd_msgport_receive () at msgportdemux.c:68
#5 0x01274c3c in entry_point (
start_routine=0x11098e0 <_hurd_msgport_receive>, arg=0x0)
at
/home/buildd/build/chroot-sid/home/buildd/byhand/hurd/./libpthread/pthread/pt-create.c:50
#6 0x00000000 in ?? ()
Thread 4 (Thread 19821.4):
#0 0x01113970 in trampoline () from /lib/libc.so.0.3
#1 0x0000000e in ?? ()
#2 0x00000000 in ?? ()
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