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Bug 948025

Summary: SocketServer doesn't handle syscall interruption
Product: Red Hat Enterprise Linux 6 Reporter: Jacob Hunt <jhunt>
Component: pythonAssignee: Robert Kuska <rkuska>
Status: CLOSED ERRATA QA Contact: Jan Kepler <jkejda>
Severity: high Docs Contact:
Priority: high    
Version: 6.4CC: fholec, jay.hilliard, jberan, jkejda, rkuska
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: python-2.6.6-47.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-11-21 09:14:28 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 835616, 960054    
Attachments:
Description Flags
Proposed patch - wrapper for select.select none

Description Jacob Hunt 2013-04-03 19:46:55 UTC 
Description of problem:

SocketServer's handle_request function uses "select" call to handle io, but sending POSIX signal will result in 'Interrupted system call' exception raised.

Version-Release number of selected component (if applicable):

python-2.6.6-36.el6.x86_64
Comment 2 Jay Hilliard 2013-04-03 20:39:41 UTC 
This is the old dreaded EINTR bug

Further details can be found here
http://bugs.python.org/issue7978
It's fixed in Python 2.7
http://hg.python.org/cpython/rev/97a0c6230ece/

The impact on us is that all our users are getting intermittent crashes in various applications. It's hurting our workflow.
Comment 6 Robert Kuska 2013-06-24 08:16:04 UTC 
Created attachment 764491 [details]
Proposed patch - wrapper for select.select
Comment 9 errata-xmlrpc 2013-11-21 09:14:28 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-1582.html