New submission from Aaron Staley :
The multiprocess/pool.py distributed with the Python 2.7.2 Windows Installer is
different from the one distributed with the 64 bit windows installer or source
tarball - and is buggy.
Specifically, see Pool._terminate_pool:
def _terminate_pool(cls
Aaron Staley added the comment:
Never mind; looks like this functionality was moved to handle_workers. I had
inadvertently been testing under a modified pool.py.
Sorry for the inconvenience!
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resolution: -> invalid
status: open ->
New submission from Aaron Staley :
Am frequently getting segmentation faults with my python program. I am
utilizing heavy use of threading and sockets.
All sorts of ones are showing in syslog:
kernel: [7763578.475590] python[10097]: segfault at 88e5a0 ip 0088e5a0
sp 7f640efd4028
Aaron Staley added the comment:
For some more context:
Python 2.7.2
Running on Amazon EC2
Linux 3.0.0-14-virtual x86_64 in ubuntu 11.10
170 threads in this particular core dump (another similar crash has 135)
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Python tracker
<h
Aaron Staley added the comment:
Active extension modules are MySQL-python, numpy, and crypto.
Here is the output from the non-optimized debug build. Slightly different
trace, but still some sort of deallocator crashing AFAIK:
#0 0x0046247c in _Py_ForgetReference (op=
, _pipe
Aaron Staley added the comment:
As far as I can tell, no other thread is active. Their backtraces are all
either:
#0 0x7f283dedd300 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1 0x00519295 in PyThread_acquire_lock (lock=0xe7dd50, waitflag=1) at
Python
Aaron Staley added the comment:
I should note that my program is also affected by this bug:
http://bugs.python.org/issue13817
(couldn't isolate it until I used the pydebug configure info).
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Python tracker
<http://bugs.python.org/is
Aaron Staley added the comment:
Used latest mercurial 2.7 branch and segfault still occurs.
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Python tracker
<http://bugs.python.org/issue13992>
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Aaron Staley added the comment:
Also, the only particular things by code does is have a lot of threads (100+),
holds open many ssh connections (with paramiko) and I do occasionally use
PyThreadState_SetAsyncExc to asynchronously terminate threads
Aaron Staley added the comment:
Unfortunately, my application is running so slow under valgrind that behavior
is changing, namely the sockets are all timing out.
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Python tracker
<http://bugs.python.org/issue13
Aaron Staley added the comment:
I see no invalid read/write. Only warnings are some conditional jump depends on
uninitialized value in pycrypto's libraries very early on though.
The link seems to be a different bug from mine. I did test in python 2.6.7 and
the crash still occurs. (I
Aaron Staley added the comment:
BTW, I take back what I said about using PyThreadState_SetAsyncExc. Turns out
I had a bug where this function would never succeed (was always returning 0).
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Python tracker
<http://bugs.python.org/issue13
New submission from Aaron Staley :
The json library's encoder includes a function called 'iterencode'. iterencode
allows for encoding to be streamed; as tokens are produced they are yielded.
This allows for the encoded object to be streamed to a file, over a socket,
etc. witho
New submission from Aaron Staley :
On a *nix system, bdist_wininst.get_exe_bytes will always return an open
wininst-6.0.exe.
However, Windows python2.7 is compiled against msvc 9.0 and ideally would take
an installer based on wininst-9.0.exe. Windows-64bit needs an installer based
on
Aaron Staley added the comment:
Sorry, minor correction: We could just rely on plat_name for 64bit.
All that is needed is for this table:
if self.target_version < "2.4":
bv = 6.0
else:
bv = 7.1
to
Aaron Staley added the comment:
I was looking over this patch (as it relates to my bug report:
http://bugs.python.org/issue14877?@ok_message=msg%20161314%20created%3Cbr%3Eissue%2014877%20message_count%2C%20messages%20edited%20ok&@template=item)
and noticed that this line:
+if
Aaron Staley added the comment:
Hi Eric,
Quick rundown: There are template 'exe' inside distutils/command.
bdist_wininst appends to the template to build a customized installer.
First the 64 bit bug:
http://bugs.python.org/issue6792
With that bug active, I must be able to m
New submission from Aaron Staley:
The documentation for __new__ at
http://docs.python.org/reference/datamodel.html#object.__new__ is:
"""
object.__new__(cls[, ...])
Called to create a new instance of class cls. __new__() is a static method
(special-cased so you need not dec
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