[M3devel] Status of threads for RC4?

Tony Hosking hosking at cs.purdue.edu
Fri Oct 16 01:34:04 CEST 2009


> Thread 1 (process 23708, thread 0x862c9400):
> #0  _thread_kern_sched (scp=Cannot access memory at address 0xbb319
> )
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:392
> Cannot access memory at address 0xbb315
> #0  0x00fac8f1 in poll () from /usr/lib/libc.so.50.1
> (m3gdb)

So what is thread 1 up to?

On 15 Oct 2009, at 17:45, Olaf Wagner wrote:

> Quoting Tony Hosking <hosking at cs.purdue.edu>:
>
>> I need to see all the threads:
>>
>> thread apply all bt
>
> Here you are:
>
> bash-3.2$ m3gdb src/p0/p007/I386_OPENBSD/pgm
> GNU gdb plus Modula-3 6.4
> Copyright 2005 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and  
> you are
> welcome to change it and/or distribute copies of it under certain  
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for  
> details.
> This GDB was configured as "i686-openbsd"...
> (m3gdb) r
> Starting program: /home/hudson/workspace/cm3-test-all-pkgs- 
> I386_OPENBSD/cm3/m3-sys/m3tests/src/p0/p007/I386_OPENBSD/pgm
>
>    1:     1
>    2:     1    2
>    3:     1    2    3
>    4:     1    2    3    4
>    5:     1    2    3    4    5
>    6:     1    2    3    4    5    6
>    7:     1    2    3    4    5    6    7
>    8:     1    2    3    4    5    6    7    8
>    9: ^C
> Program received signal SIGINT, Interrupt.
> 0x00fac8f1 in poll () from /usr/lib/libc.so.50.1
> (m3gdb) set lang Modula-3
> (m3gdb) thread apply all bt
>
> Thread 10 (process 23708, thread 0x821ff000):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x821ff0b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c9bc in XWait (self=16_83e7a00c, m=16_83e7a0b4,  
> c=16_83e7a0a4,
>    alertable=FALSE) at ../src/thread/PTHREAD/ThreadPThread.m3:240
> #5  0x1c01cd5e in Wait (m=16_83e7a0b4, c=16_83e7a0a4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:280
> #6  0x1c002efc in Main (mode=1) at ../Main.m3:75
> #7  0x1c011ca0 in RunMainBody (m=16_3c0010e0)
>    at ../src/runtime/common/RTLinker.m3:399
> #8  0x1c01105a in AddUnitI (m=16_3c0010e0)
>    at ../src/runtime/common/RTLinker.m3:113
> #9  0x1c0110e8 in AddUnit (b={"Main_M3", Declared at: ../Main.m3:70})
>    at ../src/runtime/common/RTLinker.m3:122
> #10 0x1c002806 in main (argc=1, argv=0xcfbc1fb4, envp=0xcfbc1fbc)
>    at _m3main.mc:4
> #11 0x1c00266c in ___start ()
> #12 0x1c0025bf in _start ()
> Warning: the current language does not match this frame.
>
> Thread 9 (process 23708, thread 0x821ff400):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x821ff4b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c9bc in XWait (self=16_83e7a0d0, m=16_83e7a0b4,  
> c=16_83e7a0a4,
>    alertable=FALSE) at ../src/thread/PTHREAD/ThreadPThread.m3:240
> #5  0x1c01cd5e in Wait (m=16_83e7a0b4, c=16_83e7a0a4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:280
> #6  0x1c0029c6 in Task (self=16_83e7a0c0) at ../Main.m3:42
> #7  0x1c01ed3e in RunThread (me=16_7dbbb880)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #8  0x1c01ea83 in ThreadBase (param=16_7dbbb880)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #9  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #10 0x0000002b in ?? ()
> #11 0x00000000 in ?? ()
>
> Thread 8 (process 23708, thread 0x87b14c00):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x87b14cb0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d5e2d in pthread_cond_timedwait (cond=0x231ca0e0,  
> mutex=0x231ca0dc,
>    abstime=0x87731fa8) at /usr/src/lib/libpthread/uthread/ 
> uthread_cond.c:431
> #3  0x031cf5a7 in _thread_gc (arg=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_gc.c:181
> #4  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #5  0x0000002b in ?? ()
> #6  0x00000000 in ?? ()
>
> Thread 7 (process 23708, thread 0x87b14800):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x87b148b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c9bc in XWait (self=16_83e7c01c, m=16_83e7a0b4,  
> c=16_83e7a0a4,
>    alertable=FALSE) at ../src/thread/PTHREAD/ThreadPThread.m3:240
> #5  0x1c01cd5e in Wait (m=16_83e7a0b4, c=16_83e7a0a4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:280
> #6  0x1c0029c6 in Task (self=16_83e7c00c) at ../Main.m3:42
> #7  0x1c01ed3e in RunThread (me=16_7dbbba80)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #8  0x1c01ea83 in ThreadBase (param=16_7dbbba80)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #9  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #10 0x0000002b in ?? ()
> #11 0x00000000 in ?? ()
>
> Thread 6 (process 23708, thread 0x87b14000):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x87b140b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c378 in LockMutex (m=16_83e7a0b4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:159
> #5  0x1c002918 in Task (self=16_83e7e00c) at ../Main.m3:41
> #6  0x1c01ed3e in RunThread (me=16_7dbbbb80)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #7  0x1c01ea83 in ThreadBase (param=16_7dbbbb80)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #8  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #9  0x0000002b in ?? ()
> #10 0x00000000 in ?? ()
>
> Thread 5 (process 23708, thread 0x8b659800):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x8b6598b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c378 in LockMutex (m=16_83e7a0b4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:159
> #5  0x1c002918 in Task (self=16_83e8000c) at ../Main.m3:41
> #6  0x1c01ed3e in RunThread (me=16_7dbbb680)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #7  0x1c01ea83 in ThreadBase (param=16_7dbbb680)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #8  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #9  0x0000002b in ?? ()
> #10 0x00000000 in ?? ()
>
> Thread 4 (process 23708, thread 0x8b659000):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x8b6590b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c378 in LockMutex (m=16_83e7a0b4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:159
> #5  0x1c002918 in Task (self=16_83e8200c) at ../Main.m3:41
> #6  0x1c01ed3e in RunThread (me=16_7dbbb400)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #7  0x1c01ea83 in ThreadBase (param=16_7dbbb400)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #8  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #9  0x0000002b in ?? ()
> #10 0x00000000 in ?? ()
>
> Thread 3 (process 23708, thread 0x868d6400):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x868d64b0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c378 in LockMutex (m=16_83e7a0b4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:159
> #5  0x1c002918 in Task (self=16_83e8400c) at ../Main.m3:41
> #6  0x1c01ed3e in RunThread (me=16_7dbbb180)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #7  0x1c01ea83 in ThreadBase (param=16_7dbbb180)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #8  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #9  0x0000002b in ?? ()
> #10 0x00000000 in ?? ()
>
> Thread 2 (process 23708, thread 0x868d6c00):
> #0  _thread_kern_sched (scp=0x0)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:482
> #1  0x031d8200 in _thread_kern_sched_state_unlock (state=PS_SIGTHREAD,
>    lock=0x868d6cb0, fname=0x1 <Address 0x1 out of bounds>, lineno=1)
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:581
> #2  0x031d6b9a in mutex_lock_common (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:489
> #3  0x031d6cb8 in pthread_mutex_lock (mutex=0x8a95b1f0)
>    at /usr/src/lib/libpthread/uthread/uthread_mutex.c:675
> #4  0x1c01c378 in LockMutex (m=16_83e7a0b4)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:159
> #5  0x1c002918 in Task (self=16_83e8600c) at ../Main.m3:41
> #6  0x1c01ed3e in RunThread (me=16_7dbbba00)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:588
> #7  0x1c01ea83 in ThreadBase (param=16_7dbbba00)
>    at ../src/thread/PTHREAD/ThreadPThread.m3:564
> #8  0x031cf37f in _thread_start ()
>    at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> #9  0x0000002b in ?? ()
> #10 0x00000000 in ?? ()
>
> Thread 1 (process 23708, thread 0x862c9400):
> #0  _thread_kern_sched (scp=Cannot access memory at address 0xbb319
> )
>    at /usr/src/lib/libpthread/uthread/uthread_kern.c:392
> Cannot access memory at address 0xbb315
> #0  0x00fac8f1 in poll () from /usr/lib/libc.so.50.1
> (m3gdb)
>
> I hope this helps,
>
> Olaf
> -- 
> Olaf Wagner -- elego Software Solutions GmbH
>               Gustav-Meyer-Allee 25 / Gebäude 12, 13355 Berlin,  
> Germany
> phone: +49 30 23 45 86 96  mobile: +49 177 2345 869  fax: +49 30 23  
> 45 86 95
>   http://www.elegosoft.com | Geschäftsführer: Olaf Wagner | Sitz:  
> Berlin
> Handelregister: Amtsgericht Charlottenburg HRB 77719 | USt-IdNr:  
> DE163214194
>

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