Bugs item #1159425, was opened at 2005-03-08 18:14
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting:
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Category: Threads
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: hugendian (hugendian)
Assigned to: Nobody/Anonymous (nobody)
Summary: 2.4 crashes when try to exit app and mulitple threads active
Initial Comment:
I am attaching the traceback of a python 2.4 crash.
The application I am developing executes many threads
and then has a "monitor" part that monitors certain
events. One event causes the application to shutdown.
On shutdown it notifies threads of a shutdown, and the
threads must cleanup and exit.
The traceback below occured on a shutdown. At the time
there was only one thread running.
I do not know how to investigate further. However given
pointers to do this I would be more than happy to
investigate and provide all information that could help
with this.
Some things I've observed:
1 - my application seems to be able to complete
successfully.
2 - it appears to be only after the app exits.
3 - it is not consistent. (too easy if it was!).
4 - more likely to occur the longer a
thread/application has run.
5 - does occur frequently enough to be a problem.
Once again let me know what other info I can provide,
or anything I can do to help.
Below is the traceback and some system/environment info.
Thanks.
---------------------------------------------------------------------------------
Error traceback:
-----------------
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
File "/usr/lib/python2.4/atexit.py", line 22, in
_run_exitfuncs
func(*targs, **kargs)
File "/usr/lib/python2.4/threading.py", line 636, in
__exitfunc
self._Thread__delete()
File "/usr/lib/python2.4/threading.py", line 522, in
__delete
del _active[_get_ident()]
KeyError: 16384
Error in sys.exitfunc:
Traceback (most recent call last):
File "/usr/lib/python2.4/atexit.py", line 22, in
_run_exitfuncs
func(*targs, **kargs)
File "/usr/lib/python2.4/threading.py", line 636, in
__exitfunc
self._Thread__delete()
File "/usr/lib/python2.4/threading.py", line 522, in
__delete
del _active[_get_ident()]
KeyError: 16384
Software environment:
-----------------------
*********************************************
*** SYSTEM INFORMATION ***
*** (Tue Mar 8 17:38:34 EST 2005) ***
*********************************************
Machine type : i686
Operating system : Linux
Kernel version : 2.4.29
Linux Distribution : Slackware 10.1.0
*********************************************
Python 2.4 (#1, Jan 1 2005, 21:33:55) [GCC 3.3.4] on
linux2
Gnu make 3.80
util-linux 2.12p
modutils 2.4.27
e2fsprogs tune2fs
Linux C Library 2.3.4
Dynamic linker (ldd) 2.3.4
Linux C++ Library 5.0.6
Procps 3.2.3
Net-tools 1.60
Kbd 1.12
Sh-utils 5.2.1
*********************************************
Modules Loaded:
nfs
lockd
sunrpc
ppp_deflate
zlib_inflate
zlib_deflate
bsd_comp
ppp_async
ppp_generic
slhc
emu10k1
ac97_codec
soundcore
xfs
ne2k-pci
8390
crc32
*********************************************
gcc version 3.3.4
Reading specs from
/usr/lib/gcc-lib/i486-slackware-linux/3.3.4/specs
Configured with: ../gcc-3.3.4/configure --prefix=/usr
--enable-shared --enable-threads=posix
--enable-__cxa_atexit --disable-checking --with-gnu-ld
--verbose --target=i486-slackware-linux
--host=i486-slackware-linux
Thread model: posix
*********************************************
----------------------------------------------------------------------
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