[issue20924] openssl init 100% CPU utilization

Martin v. Löwis report at bugs.python.org
Fri Mar 14 18:59:58 CET 2014


Martin v. Löwis added the comment:

Antoine: init_ssl would be the entry function of _ssl.c, not code from OpenSSL. 

bob: It's doubtful though that the stack trace is right, since init_ssl doesn't call itself. Did you install the Python PDB files for 2.7.6 before obtaining this stack trace?

There are two things you could try to diagnose this further
1. Capture the complete packets using tcpdump or wireshark, for use by tcpreplay. Then see whether a replay will reliably trigger this problem, and allow for others to diagnose this further - upload a Python script and the wireshark dump here.
2. (Alternatively) Debug this yourself. Build Python in debug mode, see whether the problem still reproduces, then find out the life lock in the Visual Studio debugger.

Please also report the Windows version you are using.

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<http://bugs.python.org/issue20924>
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