On Thu, 1 May 2008, Shane Caraveo wrote:

>  We are keen to get feedback on all of the above, and any other issues
>  you run into.

Since Komodo 4.3 or so, I kept running into the issue that Komodo just 
totally hangs. When I attach strace, it says:

derick@kossu:~$ strace -p 5719
Process 5719 attached - interrupt to quit
[ Process PID=5719 runs in 32 bit mode. ]
futex(0xa8ec5f0, 0x80 /* FUTEX_??? */, 0 <unfinished ...> 


And the backtrace is:

warning: Lowest section in system-supplied DSO at 0xffffe000 is .hash at ffffe0b4
0xf7ddf870 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0
(gdb) bt
#0  0xf7ddf870 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0
#1  0xf550d30f in PyThread_acquire_lock (lock=0xa8ec5f0, waitflag=1) at Python/thread_pthrea
d.h:334
#2  0xf55125e1 in lock_PyThread_acquire_lock (self=0xfffffe00, args=0xf53e002c) at Modules/t
hreadmodule.c:46
#3  0xf5482974 in PyCFunction_Call (func=0xb416a2c, arg=0xf53e002c, kw=0x0) at Objects/metho
dobject.c:93
#4  0xf54dc13e in call_function (pp_stack=0xff824ff0, oparg=-512) at Python/ceval.c:3585
#5  0xf54d731c in PyEval_EvalFrameEx (f=0x8e57afc, throwflag=0) at Python/ceval.c:2268
#6  0xf54daf4c in PyEval_EvalCodeEx (co=0xf5337b18, globals=0x0, locals=0x0, args=0x8e57afc,
 argcount=1, kws=0xa8e8c08, kwcount=0, defs=0x8d98038, defcount=1, 
    closure=0x0) at Python/ceval.c:2832
#7  0xf54dd925 in fast_function (func=0x80, pp_stack=0xff825200, n=1, na=1, nk=4) at Python/
ceval.c:3665
#8  0xf54dc0c1 in call_function (pp_stack=0xff825200, oparg=-512) at Python/ceval.c:3590
#9  0xf54d731c in PyEval_EvalFrameEx (f=0xa8e8abc, throwflag=0) at Python/ceval.c:2268
#10 0xf54daf4c in PyEval_EvalCodeEx (co=0x8d905c0, globals=0x0, locals=0x0, args=0xa8e8abc, 
argcount=1, kws=0xece96484, kwcount=0, defs=0x8d981b8, defcount=1, 
    closure=0x0) at Python/ceval.c:2832
#11 0xf54dd925 in fast_function (func=0x80, pp_stack=0xff825410, n=1, na=1, nk=4) at Python/
ceval.c:3665
#12 0xf54dc0c1 in call_function (pp_stack=0xff825410, oparg=-512) at Python/ceval.c:3590
#13 0xf54d731c in PyEval_EvalFrameEx (f=0xece96344, throwflag=0) at Python/ceval.c:2268
#14 0xf54dd9af in fast_function (func=0x80, pp_stack=0xff8255a0, n=1, na=1, nk=-320249020) a
t Python/ceval.c:3655
#15 0xf54dc0c1 in call_function (pp_stack=0xff8255a0, oparg=-512) at Python/ceval.c:3590
#16 0xf54d731c in PyEval_EvalFrameEx (f=0xecfd520c, throwflag=0) at Python/ceval.c:2268
#17 0xf54daf4c in PyEval_EvalCodeEx (co=0xa7e4bf0, globals=0x0, locals=0x0, args=0xecfd520c,
 argcount=1, kws=0xbac8b9c, kwcount=0, defs=0xa678cb8, defcount=1, 
    closure=0x0) at Python/ceval.c:2832
#18 0xf54dd925 in fast_function (func=0x80, pp_stack=0xff8257b0, n=1, na=1, nk=4) at Python/
ceval.c:3665
#19 0xf54dc0c1 in call_function (pp_stack=0xff8257b0, oparg=-512) at Python/ceval.c:3590
---Type <return>  to continue, or q <return> to quit---
#20 0xf54d731c in PyEval_EvalFrameEx (f=0xbac8a5c, throwflag=0) at Python/ceval.c:2268
#21 0xf54daf4c in PyEval_EvalCodeEx (co=0xa7e40f8, globals=0x0, locals=0x0, args=0xbac8a5c, 
argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
    at Python/ceval.c:2832
#22 0xf546b28b in function_call (func=0xa800924, arg=0x998de2c, kw=0x0) at Objects/funcobjec
t.c:517
#23 0xf544826a in PyObject_Call (func=0x80, arg=0x998de2c, kw=0x0) at Objects/abstract.c:186
1
#24 0xf54dc83d in ext_do_call (func=0xa800924, pp_stack=0xff82598c, flags=161013292, na=1, n
k=0) at Python/ceval.c:3849
#25 0xf54d7133 in PyEval_EvalFrameEx (f=0xb8dbaf4, throwflag=0) at Python/ceval.c:2308
#26 0xf54daf4c in PyEval_EvalCodeEx (co=0xf53cf218, globals=0x0, locals=0x0, args=0xb8dbaf4,
 argcount=5, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
    at Python/ceval.c:2832
#27 0xf546b28b in function_call (func=0xf5302534, arg=0xb44b8cc, kw=0x0) at Objects/funcobje
ct.c:517
#28 0xf544826a in PyObject_Call (func=0x80, arg=0xb44b8cc, kw=0x0) at Objects/abstract.c:186
1
#29 0xf5453d74 in instancemethod_call (func=0xfffffe00, arg=0xb44b8cc, kw=0x0) at Objects/cl
assobject.c:2519
#30 0xf544826a in PyObject_Call (func=0x80, arg=0xb415d24, kw=0x0) at Objects/abstract.c:186
1
#31 0xf544875e in PyObject_CallMethod (o=0x80, name=0xb415d24 "\001", format=0xf539910a "OiO
O") at Objects/abstract.c:1892
#32 0xf538ab9e in PyXPCOM_XPTStub::CallMethod () from /usr/local/Komodo/lib/mozilla/python/x
pcom/_xpcom.so
#33 0xf7ee0a16 in PrepareAndDispatch () from /usr/local/Komodo/bin/../lib/mozilla/libxpcom_c
ore.so
#34 0xf7edfe99 in XPTC_InvokeByIndex () from /usr/local/Komodo/bin/../lib/mozilla/libxpcom_c
ore.so
#35 0x080b2fad in XPCWrappedNative::CallMethod ()
#36 0x080b6746 in XPC_WN_CallMethod ()
#37 0xf7f48b58 in js_Invoke () from /usr/local/Komodo/bin/../lib/mozilla/libmozjs.so
#38 0xf7f518c9 in js_Interpret () from /usr/local/Komodo/bin/../lib/mozilla/libmozjs.so
#39 0xf7f48bc6 in js_Invoke () from /usr/local/Komodo/bin/../lib/mozilla/libmozjs.so
#40 0xf7f48ddc in js_InternalInvoke () from /usr/local/Komodo/bin/../lib/mozilla/libmozjs.so
---Type <return>  to continue, or q <return> to quit---
#41 0xf7f1f192 in JS_CallFunctionValue () from /usr/local/Komodo/bin/../lib/mozilla/libmozjs
.so
#42 0x084f0b12 in nsJSContext::CallEventHandler ()
#43 0x085231a5 in nsJSEventListener::HandleEvent ()
#44 0x0846ea56 in nsEventListenerManager::HandleEventSubType ()
#45 0x0846f926 in nsEventListenerManager::HandleEvent ()
#46 0x08500242 in nsGlobalWindow::HandleDOMEvent ()
#47 0x082d50f2 in DocumentViewerImpl::PageHide ()
#48 0x086822d1 in nsDocShell::FirePageHideNotification ()
#49 0x0867d5a7 in nsDocShell::Destroy ()
#50 0x0873d0b6 in nsXULWindow::Destroy ()
#51 0x08740f1d in nsWebShellWindow::Destroy ()
#52 0x087420f9 in nsWebShellWindow::HandleEvent ()
#53 0x082ab85b in nsCommonWidget::DispatchEvent ()
#54 0x082a59c1 in nsWindow::OnDeleteEvent ()
#55 0x082a59f3 in delete_event_cb ()
#56 0xf7ba5344 in ?? () from /usr/lib32/libgtk-x11-2.0.so.0
#57 0x08bf3b00 in ?? ()
#58 0x08b1b108 in ?? ()
#59 0x00000000 in ?? ()

I am running Komodo under Linux (Debian Unstable) on a 64bit platform. I only
seem to encounter this while I am running the debugger, but then again, that's
almost all I use Komodo for.

regards,
Derick

-- 
Derick Rethans
http://derickrethans.nl | http://ezcomponents.org | http://xdebug.org
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