[M3devel] Status of threads for RC4?

Thu Oct 15 16:30:22 CEST 2009

Linux/x86 and OpenBSD/x86 are back on.

I'll spend a few minutes see if I can get the stacks.

 - Jay

From: jay.krell at cornell.edu
To: wagner at elegosoft.com; hosking at cs.purdue.edu
CC: m3devel at elegosoft.com
Subject: RE: [M3devel] Status of threads for RC4?
Date: Wed, 14 Oct 2009 23:13:57 +0000

I didn't deliberately turn anything off but indeed I can see that some machines are not accessible and some are. I'll look at them later.

 - Jay

> Date: Wed, 14 Oct 2009 08:09:56 +0200
> From: wagner at elegosoft.com
> To: hosking at cs.purdue.edu
> CC: m3devel at elegosoft.com
> Subject: Re: [M3devel] Status of threads for RC4?
> 
> Quoting Tony Hosking <hosking at cs.purdue.edu>:
> 
> > I need to see all the threads:
> >
> > thread apply all bt
> 
> Well, of course you need all thread stacks to diagnose a deadlock,
> silly me. But I haven't been able to login again since then:
> Jay, is the OpenBSD server turned off? Could you either turn it on
> this evening CET or send Tony the needed traces?
> 
> Thanks in advance,
> 
> Olaf
> 
> > On 13 Oct 2009, at 02:46, Olaf Wagner wrote:
> >
> >> Quoting Tony Hosking <hosking at cs.purdue.edu>:
> >>
> >>> I need a stack dump from the hung OpenBSD p007 run to diagnose (attach
> >>> to the process using gdb and grab a stack dump). Are we seeing this
> >>> on any other pthread target?
> >>
> >> I just logged in quickly to Jay's OpenBSD system and started test 7.
> >> Output stops after line 8 and I had to hit Control-C.
> >>
> >>
> >> 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-m3tests- 
> >> 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.
> >> 0x0e3f18f1 in poll () from /usr/lib/libc.so.50.1
> >> (m3gdb) bt
> >> #0 0x0e3f18f1 in poll () from /usr/lib/libc.so.50.1
> >> #1 0x0910f314 in _thread_kern_poll (wait_reqd=1)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:760
> >> #2 0x0910ee53 in _thread_kern_sched (scp=0x0)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:382
> >> #3 0x0910f19f in _thread_kern_sched_state (state=688918728,
> >> fname=0x291010c8 "", lineno=688918728)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:550
> >> #4 0x09109085 in nanosleep (time_to_sleep=0x8544ec68,
> >> time_remaining=0x8544ec70)
> >> at /usr/src/lib/libpthread/uthread/uthread_nanosleep.c:84
> >> #5 0x1c023181 in ThreadPThread__Nanosleep (req=0x8544ec68, rem=0x8544ec70)
> >> at ../src/thread/PTHREAD/ThreadPThreadC.c:317
> >> #6 0x1c01fb54 in CommonSleep () at ../src/thread/PTHREAD/ 
> >> ThreadPThread.m3:740
> >> #7 0x1c0219d3 in StopWorld () at ../src/thread/PTHREAD/ 
> >> ThreadPThread.m3:1253
> >> #8 0x1c021041 in SuspendOthers ()
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:1029
> >> #9 0x1c007ccb in CollectSomeInStateZero ()
> >> at ../src/runtime/common/RTCollector.m3:735
> >> #10 0x1c007c8a in CollectSome () at ../src/runtime/common/ 
> >> RTCollector.m3:709
> >> #11 0x1c00773d in CollectEnough () at ../src/runtime/common/ 
> >> RTCollector.m3:643
> >> #12 0x1c004de1 in AllocTraced (dataSize=Invalid C/C++ type code 40 
> >> in symbol table.
> >> )
> >> at ../src/runtime/common/RTAllocator.m3:363
> >> #13 0x1c004056 in GetTracedObj (def=Invalid C/C++ type code 29 in 
> >> symbol table.
> >> )
> >> at ../src/runtime/common/RTAllocator.m3:222
> >> #14 0x1c0039ec in AllocateTracedObj (defn=Invalid C/C++ type code 
> >> 35 in symbol table.
> >> )
> >> at ../src/runtime/common/RTAllocator.m3:120
> >> #15 0x1c002b82 in Task (self=Invalid C/C++ type code 26 in symbol table.
> >> ) at ../Main.m3:58
> >> #16 0x1c01ed3e in RunThread (me=Invalid C/C++ type code 29 in symbol table.
> >> )
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:588
> >> #17 0x1c01ea83 in ThreadBase (param=Invalid C/C++ type code 35 in 
> >> symbol table.
> >> )
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:564
> >> #18 0x0910637f in _thread_start ()
> >> at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> >> #19 0x0000002b in ?? ()
> >> #20 0x00000000 in ?? ()
> >> (m3gdb) set lang Modula-3
> >> (m3gdb) bt
> >> #0 0x0e3f18f1 in poll () from /usr/lib/libc.so.50.1
> >> #1 0x0910f314 in _thread_kern_poll (wait_reqd=1)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:760
> >> #2 0x0910ee53 in _thread_kern_sched (scp=0x0)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:382
> >> #3 0x0910f19f in _thread_kern_sched_state (state=688918728,
> >> fname=0x291010c8 "\000", lineno=688918728)
> >> at /usr/src/lib/libpthread/uthread/uthread_kern.c:550
> >> #4 0x09109085 in nanosleep (time_to_sleep=0x8544ec68,
> >> time_remaining=0x8544ec70)
> >> at /usr/src/lib/libpthread/uthread/uthread_nanosleep.c:84
> >> #5 0x1c023181 in ThreadPThread__Nanosleep (req=0x8544ec68, rem=0x8544ec70)
> >> at ../src/thread/PTHREAD/ThreadPThreadC.c:317
> >> #6 0x1c01fb54 in CommonSleep () at ../src/thread/PTHREAD/ 
> >> ThreadPThread.m3:740
> >> #7 0x1c0219d3 in StopWorld () at ../src/thread/PTHREAD/ 
> >> ThreadPThread.m3:1253
> >> #8 0x1c021041 in SuspendOthers ()
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:1029
> >> #9 0x1c007ccb in CollectSomeInStateZero ()
> >> at ../src/runtime/common/RTCollector.m3:735
> >> #10 0x1c007c8a in CollectSome () at ../src/runtime/common/ 
> >> RTCollector.m3:709
> >> #11 0x1c00773d in CollectEnough () at ../src/runtime/common/ 
> >> RTCollector.m3:643
> >> #12 0x1c004de1 in AllocTraced (dataSize=12, dataAlignment=4, thread=
> >> RECORD inCritical = 0; pool = RECORD note = Allocated; pure = 
> >> FALSE; page = NIL; next = NIL; limit = NIL; END; END)
> >> at ../src/runtime/common/RTAllocator.m3:363
> >> #13 0x1c004056 in GetTracedObj (def=16_3c001114)
> >> at ../src/runtime/common/RTAllocator.m3:222
> >> #14 0x1c0039ec in AllocateTracedObj (defn=16_3c001114)
> >> at ../src/runtime/common/RTAllocator.m3:120
> >> #15 0x1c002b82 in Task (self=16_8bc4a00c) at ../Main.m3:58
> >> #16 0x1c01ed3e in RunThread (me=16_7faae480)
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:588
> >> #17 0x1c01ea83 in ThreadBase (param=16_7faae480)
> >> at ../src/thread/PTHREAD/ThreadPThread.m3:564
> >> #18 0x0910637f in _thread_start ()
> >> at /usr/src/lib/libpthread/uthread/uthread_create.c:240
> >> #19 0x0000002b in ?? ()
> >> #20 0x00000000 in ?? ()
> >> (m3gdb)
> >>
> >> Attaching to a running program doesn't yield anything useful:
> >>
> >> bash-3.2$ src/p0/p007/I386_OPENBSD/pgm &
> >> [1] 26756
> >> bash-3.2$
> >> 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:
> >> bash-3.2$ ps
> >> PID TT STAT TIME COMMAND
> >> 22500 p0 Is 0:00.00 -ksh (ksh)
> >> 18592 p0 S 0:00.04 bash
> >> 26756 p0 S 0:00.02 src/p0/p007/I386_OPENBSD/pgm
> >> 28998 p0 R+ 0:00.00 ps
> >> bash-3.2$ m3gdb
> >> 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) attach 26756
> >> Attaching to process 26756
> >> 0x0d35f8f1 in ?? ()
> >> (m3gdb) set symbol-file src/p0/p007/I386_OPENBSD/pgm
> >> No symbol table is loaded. Use the "file" command.
> >> (m3gdb) symbol-file src/p0/p007/I386_OPENBSD/pgm
> >> Reading symbols from /home/hudson/workspace/cm3-test-m3tests- 
> >> I386_OPENBSD/cm3/m3-sys/m3tests/src/p0/p007/I386_OPENBSD/pgm...done.
> >> (m3gdb) bt
> >> #0 0x0d35f8f1 in ?? ()
> >> #1 0x0a0c0314 in ?? ()
> >> #2 0x84533000 in ?? ()
> >> #3 0x00000001 in ?? ()
> >> #4 0x00000001 in ?? ()
> >> #5 0x00000001 in ?? ()
> >> #6 0x00000000 in ?? ()
> >>
> >> Does this help?
> >> Anything I should try this evening?
> >>
> >> 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
> >>
> 
> 
> 
> -- 
> 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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