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python Programming Glossary: stracePopen.communicate() throws OSError: “[Errno 10] No child processes” http://stackoverflow.com/questions/1008858/popen-communicate-throws-oserror-errno-10-no-child-processes handlers by commenting out the Popen call and then running strace python your_script.py grep SIGCHLD if you see something similar..
http://stackoverflow.com/questions/12354047/x11-forwarding-with-paramiko the .Xauthority file may also be an issue you can try to strace ssh process and see a normal flow in your script you can replace.. a normal flow in your script you can replace xterm with strace xterm and compare with the above. some links http en.wikipedia.org..
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory” http://stackoverflow.com/questions/1367373/python-subprocess-popen-oserror-errno-12-cannot-allocate-memory by doChecks starting at line 520. The script was run with strace with the following output before the crash recv 4 Total Accesses..
Python won't exit when called with absolute path from cron or subshell http://stackoverflow.com/questions/13790475/python-wont-exit-when-called-with-absolute-path-from-cron-or-subshell Ok got it figured out. Thanks for the help. I ran an strace and found that it was hanging on the following socket PF_FILE..
Get last access time of the file? http://stackoverflow.com/questions/14393744/get-last-access-time-of-the-file why the access time didn't be udpated. Here is output of strace python test.py open test.py O_RDONLY 3 fstat 3 st_mode S_IFREG..
http://stackoverflow.com/questions/4418446/corba-event-client-etimedout I'm experiencing the same thing as this post because my strace looks very similar but he doesn't explain exactly how he fixed.. see the beginning of the log below Here is my log from strace... pid 17571 futex 0xa298288 FUTEX_WAIT_PRIVATE 1 4 999961668..
Troubleshooting python sys.path http://stackoverflow.com/questions/5500736/troubleshooting-python-sys-path default So far I've found a partial answer is to use strace on python itself and look for .pth files. I also found a sys.path_importer_cache..
Compiling Python 2.6.6 and need for external packages wxPython, setuptools, etc… in Ubuntu http://stackoverflow.com/questions/6079128/compiling-python-2-6-6-and-need-for-external-packages-wxpython-setuptools-etc it works. For a more positive check run it like this # strace e trace stat fstat open python imports.py strace.txt 2 1 # grep.. this # strace e trace stat fstat open python imports.py strace.txt 2 1 # grep v ' 1' strace.txt grep 'open ' opens.txt # sed.. fstat open python imports.py strace.txt 2 1 # grep v ' 1' strace.txt grep 'open ' opens.txt # sed opens.txt 's ^open s . ' sort..
Behavior of Python's time.sleep(0) under linux - Does it cause a context switch? http://stackoverflow.com/questions/7273474/behavior-of-pythons-time-sleep0-under-linux-does-it-cause-a-context-switch loop time.sleep 0.5 Just as a test. Running this with strace o isacontextswitch.strace s512 python test.py gives you this.. as a test. Running this with strace o isacontextswitch.strace s512 python test.py gives you this output on the loop write..
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