[tahoe-lafs-trac-stream] [tahoe-lafs] #1381: EINTR from communication with subprocess in allmydata/util/iputil.py _query

[tahoe-lafs]

#1381: EINTR from communication with subprocess in allmydata/util/iputil.py _query
------------------------------+------------------------------
     Reporter:  davidsarah    |      Owner:  davidsarah
         Type:  defect        |     Status:  assigned
     Priority:  major         |  Milestone:  1.11.0
    Component:  code-network  |    Version:  1.8.2
   Resolution:                |   Keywords:  iputil heisenbug
Launchpad Bug:                |
------------------------------+------------------------------

Old description:

> Reported by 'sickness' on irc:
> {{{
> #   Run
> #     test_loadable ...
> [OK]
> #     test_reloadable ... Node._startService failed, aborting
> # [Failure instance: Traceback: <type 'exceptions.OSError'>: [Errno 4]
> Interrupted system call
> # /usr/lib/python2.6/threading.py:497:__bootstrap
> # /usr/lib/python2.6/threading.py:525:__bootstrap_inner
> # /usr/lib/python2.6/threading.py:477:run
> # --- <exception caught here> ---
> # /usr/lib/python2.6/vendor-
> packages/twisted/python/threadpool.py:210:_worker
> # /usr/lib/python2.6/vendor-
> packages/twisted/python/context.py:59:callWithContext
> # /usr/lib/python2.6/vendor-
> packages/twisted/python/context.py:37:callWithContext
> # /home/righdieg/allmydata-
> tahoe-1.8.2/src/allmydata/util/iputil.py:222:_synchronously_find_addresses_via_config
> # /home/righdieg/allmydata-
> tahoe-1.8.2/src/allmydata/util/iputil.py:237:_query
> # /usr/lib/python2.6/subprocess.py:689:communicate
> # /usr/lib/python2.6/subprocess.py:1233:_communicate
> # /usr/lib/python2.6/subprocess.py:1157:wait
> # ]
> # calling os.abort()
> }}}
>
> Possibly related: http://bugs.python.org/issue1068268 . It may be that
> the patch for that bug wasn't complete enough. EINTR failures are usually
> not very reproducible, but the fix is just to repeat the query until it
> works (or fails with a different error).

New description:

 Reported by 'sickness' on irc:
 {{{
 #   Run
 #     test_loadable ...
 [OK]
 #     test_reloadable ... Node._startService failed, aborting
 # [Failure instance: Traceback: <type 'exceptions.OSError'>: [Errno 4]
 Interrupted system call
 # /usr/lib/python2.6/threading.py:497:__bootstrap
 # /usr/lib/python2.6/threading.py:525:__bootstrap_inner
 # /usr/lib/python2.6/threading.py:477:run
 # --- <exception caught here> ---
 # /usr/lib/python2.6/vendor-
 packages/twisted/python/threadpool.py:210:_worker
 # /usr/lib/python2.6/vendor-
 packages/twisted/python/context.py:59:callWithContext
 # /usr/lib/python2.6/vendor-
 packages/twisted/python/context.py:37:callWithContext
 # /home/righdieg/allmydata-
 tahoe-1.8.2/src/allmydata/util/iputil.py:222:_synchronously_find_addresses_via_config
 # /home/righdieg/allmydata-
 tahoe-1.8.2/src/allmydata/util/iputil.py:237:_query
 # /usr/lib/python2.6/subprocess.py:689:communicate
 # /usr/lib/python2.6/subprocess.py:1233:_communicate
 # /usr/lib/python2.6/subprocess.py:1157:wait
 # ]
 # calling os.abort()
 }}}

 Possibly related: http://bugs.python.org/issue1068268 . It may be that the
 patch for that bug wasn't complete enough. EINTR failures are usually not
 very reproducible, but the fix is just to repeat the query until it works
 (or fails with a different error).

--

Comment (by zooko):

 See #1988

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1381#comment:8>
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