[M3devel] garbage collection problem on LINUXLIBC6?

Randy Coleburn rcoleburn at scires.com
Mon May 19 17:08:05 CEST 2008 

Daniel, I have this same problem on GUI applications created on cm3
v4.1.  If I don't put "@M3novm" on the command line, the programs crash
during startup.  It has something to do with the garbage collector.  In
my testing of cm3 d5.7.0 on Windows XP, I have not run into the problem
yet, so I think Tony has fixed it with his new garbage collector, at
least on Windows.
Regards,
Randy

>>> "Daniel Alejandro Benavides D." <dabenavidesd at yahoo.es> 5/18/2008
6:39 PM >>>

Dear developers:
I'm running a new installed cm3 on an ubuntu 8.04 32 bits, and I can't
run anything with gui if I don't use @M3nogc
The rest of the applications, the compiler, and m3browser seem to work
without problems *?
I'm debugging mentor but I just got this until now:
Breakpoint 5, Init () at ../src/color/ColorName.m3:207
207           IF table.put (NormalizeName (Basic [i].name), i) THEN
(m3gdb) where
#0  Init () at ../src/color/ColorName.m3:207
#1  0xb7c7b7ff in ColorName (mode=1) at ../src/color/ColorName.m3:214
#2  0xb70e2389 in RunMainBody (m=16_b7ca2fa0) at
../src/runtime/common/RTLinker.m3:399
#3  0xb70e2055 in RunMainBody (m=16_b7d38100) at
../src/runtime/common/RTLinker.m3:379
#4  0xb70e2055 in RunMainBody (m=16_b7d2fe20) at
../src/runtime/common/RTLinker.m3:379
#5  0xb70e2055 in RunMainBody (m=16_b7d34480) at
../src/runtime/common/RTLinker.m3:379
#6  0xb70e2055 in RunMainBody (m=16_b7d30d60) at
../src/runtime/common/RTLinker.m3:379
#7  0xb70e2055 in RunMainBody (m=16_b7d4d620) at
../src/runtime/common/RTLinker.m3:379
#8  0xb70e2055 in RunMainBody (m=16_b7e31d80) at
../src/runtime/common/RTLinker.m3:379
#9  0xb70e2055 in RunMainBody (m=16_b7e33220) at
../src/runtime/common/RTLinker.m3:379
#10 0xb70e2055 in RunMainBody (m=16_b7e36d40) at
../src/runtime/common/RTLinker.m3:379
#11 0xb70e2055 in RunMainBody (m=16_b7e364e0) at
../src/runtime/common/RTLinker.m3:379
#12 0xb70e2055 in RunMainBody (m=16_b7e36ba0) at
../src/runtime/common/RTLinker.m3:379
#13 0xb70e2055 in RunMainBody (m=16_b7e32cc0) at
../src/runtime/common/RTLinker.m3:379
#14 0xb70e2055 in RunMainBody (m=16_b7e32900) at
../src/runtime/common/RTLinker.m3:379
#15 0xb70e2055 in RunMainBody (m=16_08255600) at
../src/runtime/common/RTLinker.m3:379
#16 0xb70e2055 in RunMainBody (m=16_08256040) at
../src/runtime/common/RTLinker.m3:379
#17 0xb70e2055 in RunMainBody (m=16_08312aa0) at
../src/runtime/common/RTLinker.m3:379
#18 0xb70e0dff in AddUnitI (m=16_08312aa0) at
../src/runtime/common/RTLinker.m3:113
#19 0xb70e0e8d in AddUnit (b={"Main_M3", Declared at:
../src/Main.m3:164}) at ../src/runtime/common/RTLinker.m3:122
#20 0x0806df1e in main (argc=3, argv=0xbfa03774, envp=0xbfa03784) at
_m3main.mc:4
#21 0xb6d44450 in __libc_start_main () from
/lib/tls/i686/cmov/libc.so.6
#22 0x0806de71 in _start ()
(m3gdb) cont
Continuando.

Breakpoint 5, Init () at ../src/color/ColorName.m3:207
207           IF table.put (NormalizeName (Basic [i].name), i) THEN
(m3gdb) cont
and the process hangs there when debugging mentor.

I have checked  Juno under m3gdb after have killed it and got:

(m3gdb) where
#0  0xb7fb0410 in __kernel_vsyscall ()
#1  0xb7018ae7 in pthread_kill () from
/lib/tls/i686/cmov/libpthread.so.0
#2  0xb728c397 in SignalThread (act=16_0813c120, state=Stopping) at
../src/thread/PTHREAD/ThreadPThread.m3:1058
#3  0xb728c55e in StopWorld () at
../src/thread/PTHREAD/ThreadPThread.m3:1116
#4  0xb728b9e7 in SuspendOthers () at
../src/thread/PTHREAD/ThreadPThread.m3:905
#5  0xb7265244 in CollectSomeInStateZero () at
../src/runtime/common/RTCollector.m3:755
#6  0xb7265203 in CollectSome () at
../src/runtime/common/RTCollector.m3:729
#7  0xb7264c24 in CollectEnough () at
../src/runtime/common/RTCollector.m3:656
#8  0xb72686c1 in AllocTraced (def=16_b7be1400, dataSize=12,
dataAlignment=4, initProc=NIL)
    at ../src/runtime/common/RTCollector.m3:1462
#9  0xb725ad8f in GetTracedRef (def=16_b7be1400) at
../src/runtime/common/RTAllocator.m3:191
#10 0xb725a987 in AllocateTracedRef (defn=16_b7be1400) at
../src/runtime/common/RTAllocator.m3:126
#11 0xb7b5d8fb in Put (tbl=16_b6e50438, key=8047, val=244) at
../LINUXLIBC6/IntIntTbl.m3 => ../src/table/Table.mg:127
#12 0xb7dd4e2c in Set (a='>', b='o', c=244, bothCases=FALSE,
reversed=TRUE) at ../src/etext/KeyFilter.m3:288
#13 0xb7dd521c in Set (a='o', b='>', c=244, bothCases=FALSE,
reversed=FALSE) at ../src/etext/KeyFilter.m3:304
#14 0xb7dd5882 in KeyFilter (mode=1) at ../src/etext/KeyFilter.m3:437
#15 0xb7273389 in RunMainBody (m=16_b7e51da0) at
../src/runtime/common/RTLinker.m3:399
#16 0xb7273055 in RunMainBody (m=16_b7e547e0) at
../src/runtime/common/RTLinker.m3:379
#17 0xb7273055 in RunMainBody (m=16_b7e56c00) at
../src/runtime/common/RTLinker.m3:379
#18 0xb7273055 in RunMainBody (m=16_b7e54240) at
../src/runtime/common/RTLinker.m3:379
#19 0xb7273055 in RunMainBody (m=16_b7e537e0) at
../src/runtime/common/RTLinker.m3:379
#20 0xb7273055 in RunMainBody (m=16_080b85a0) at
../src/runtime/common/RTLinker.m3:379
#21 0xb7271dff in AddUnitI (m=16_080b85a0) at
../src/runtime/common/RTLinker.m3:113
#22 0xb7271e8d in AddUnit (b={"Juno_M3", Declared at:
../src/Juno.m3:1974}) at ../src/runtime/common/RTLinker.m3:122
#23 0x0805120e in main (argc=1, argv=0xbf96ff14, envp=0xbf96ff1c) at
_m3main.mc:4
#24 0xb6ed5450 in __libc_start_main () from
/lib/tls/i686/cmov/libc.so.6
#25 0x08051161 in _start ()


When killing mentor under m3gdb it shows like the same back trace:
(m3gdb) where
#0  0xb70fb39a in SignalThread (act=16_0834ff08, state=Stopping) at
../src/thread/PTHREAD/ThreadPThread.m3:1058
#1  0xb70fb6dc in StopWorld () at
../src/thread/PTHREAD/ThreadPThread.m3:1142
#2  0xb70fa9e7 in SuspendOthers () at
../src/thread/PTHREAD/ThreadPThread.m3:905
#3  0xb70d4244 in CollectSomeInStateZero () at
../src/runtime/common/RTCollector.m3:755
#4  0xb70d4203 in CollectSome () at
../src/runtime/common/RTCollector.m3:729
#5  0xb70d3c24 in CollectEnough () at
../src/runtime/common/RTCollector.m3:656
#6  0xb70d76c1 in AllocTraced (def=16_b712d934, dataSize=24,
dataAlignment=4, initProc=Static link does not lead to a valid frame.
)
    at ../src/runtime/common/RTCollector.m3:1462
#7  0xb70c9f25 in GetTracedObj (def=16_b712d934) at
../src/runtime/common/RTAllocator.m3:206
#8  0xb70c99b0 in AllocateTracedObj (defn=16_b712d934) at
../src/runtime/common/RTAllocator.m3:131
#9  0xb710d586 in New (a={'a','z','u','r','e','4'}) at
../src/text/Text8Short.m3:16
#10 0xb710ce87 in New (a={'a','z','u','r','e','4'}) at
../src/text/Text8.m3:18
#11 0xb710ba9d in FromChars (a={'a','z','u','r','e','4'}) at
../src/text/Text.m3:206
#12 0xb7c7a62f in NormalizeName (a=16_b7ca378c) at
../src/color/ColorName.m3:83
#13 0xb7c7b789 in Init () at ../src/color/ColorName.m3:207
#14 0xb7c7b7ff in ColorName (mode=1) at ../src/color/ColorName.m3:214
#15 0xb70e2389 in RunMainBody (m=16_b7ca2fa0) at
../src/runtime/common/RTLinker.m3:399
#16 0xb70e2055 in RunMainBody (m=16_b7d38100) at
../src/runtime/common/RTLinker.m3:379
#17 0xb70e2055 in RunMainBody (m=16_b7d2fe20) at
../src/runtime/common/RTLinker.m3:379
#18 0xb70e2055 in RunMainBody (m=16_b7d34480) at
../src/runtime/common/RTLinker.m3:379
#19 0xb70e2055 in RunMainBody (m=16_b7d30d60) at
../src/runtime/common/RTLinker.m3:379
#20 0xb70e2055 in RunMainBody (m=16_b7d4d620) at
../src/runtime/common/RTLinker.m3:379
#21 0xb70e2055 in RunMainBody (m=16_b7e31d80) at
../src/runtime/common/RTLinker.m3:379
#22 0xb70e2055 in RunMainBody (m=16_b7e33220) at
../src/runtime/common/RTLinker.m3:379
#23 0xb70e2055 in RunMainBody (m=16_b7e36d40) at
../src/runtime/common/RTLinker.m3:379
#24 0xb70e2055 in RunMainBody (m=16_b7e364e0) at
../src/runtime/common/RTLinker.m3:379
#25 0xb70e2055 in RunMainBody (m=16_b7e36ba0) at
../src/runtime/common/RTLinker.m3:379
#26 0xb70e2055 in RunMainBody (m=16_b7e32cc0) at
../src/runtime/common/RTLinker.m3:379
#27 0xb70e2055 in RunMainBody (m=16_b7e32900) at
../src/runtime/common/RTLinker.m3:379
#28 0xb70e2055 in RunMainBody (m=16_08255600) at
../src/runtime/common/RTLinker.m3:379
#29 0xb70e2055 in RunMainBody (m=16_08256040) at
../src/runtime/common/RTLinker.m3:379
#30 0xb70e2055 in RunMainBody (m=16_08312aa0) at
../src/runtime/common/RTLinker.m3:379
#31 0xb70e0dff in AddUnitI (m=16_08312aa0) at
../src/runtime/common/RTLinker.m3:113
#32 0xb70e0e8d in AddUnit (b={"Main_M3", Declared at:
../src/Main.m3:164}) at ../src/runtime/common/RTLinker.m3:122
#33 0x0806df1e in main (argc=3, argv=0xbfa03774, envp=0xbfa03784) at
_m3main.mc:4
#34 0xb6d44450 in __libc_start_main () from
/lib/tls/i686/cmov/libc.so.6
#35 0x0806de71 in _start ()

Thanks in advance


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