From issues-reply at bitbucket.org  Sat Apr 14 03:00:30 2012
From: issues-reply at bitbucket.org (memedough)
Date: Sat, 14 Apr 2012 01:00:30 -0000
Subject: [execnet-dev] [hpk42/execnet] pytest-xdist slave fail on
	Interrupted system call (issue #6)
Message-ID: <36dd45588d22896b5754047f5c8462ed@bitbucket.org>

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New issue 6: pytest-xdist slave fail on Interrupted system call
https://bitbucket.org/hpk42/execnet/issue/6/pytest-xdist-slave-fail-on-interrupted

memedough on Sat, 14 Apr 2012 03:00:30 +0200:

Hi,

I get IOError Interrupted system call in pytest-xdist slave.  Don't know why, can't see signal anywhere but fail

{{{
creating slavegateway on <__main__.Popen2IO instance at 0x20fa2d8>
RECEIVERTHREAD: starting to run
received <Message.CHANNEL_EXEC channelid=1 len=285>
received <Message.CHANNEL_DATA channelid=1 len=123>
execution starts[1]: "\nimport os\npath, nice, env = channel.receive()\
execution finished
sent <Message.CHANNEL_CLOSE channelid=1 >
1 sent channel close message
received <Message.CHANNEL_EXEC channelid=3 len=210>
1 channel.__del__
execution starts[3]: '\nimport sys, os\nchannel.send(dict(\n    executa
sent <Message.CHANNEL_DATA channelid=3 len=295>
execution finished
sent <Message.CHANNEL_CLOSE channelid=3 >
3 sent channel close message
received <Message.CHANNEL_EXEC channelid=5 len=5308>
3 channel.__del__
execution starts[5]: '"""\n    This module is executed in remote subpro
received <Message.CHANNEL_DATA channelid=5 len=1492>
RECEIVERTHREAD Traceback (most recent call last):
 File "<string>", line 622, in _thread_receiver
 File "<string>", line 802, in load
 File "<string>", line 86, in read
IOError: [Errno 4] Interrupted system call

RECEIVERTHREAD entering finalization
RECEIVERTHREAD leaving finalization
sent <Message.CHANNEL_DATA channelid=5 len=451>
sent <Message.CHANNEL_DATA channelid=5 ('collectionstart', {})>
sent <Message.CHANNEL_DATA channelid=5 len=115>
sent <Message.CHANNEL_DATA channelid=5 len=163>
sent <Message.CHANNEL_DATA channelid=5 len=244>
sent <Message.CHANNEL_DATA channelid=5 len=53>
}}}

gateway_base.Unserializer.load(self) can be made work by retry if get IOError with errno == 4

{{{
while True:
    opcode = self.stream.read(1)  # Retry this if IOError raised here
    if not opcode:
        raise EOFError
}}}



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