[IPython-dev] zmq/embed_kernel failure in master

Fernando Perez fperez.net@gmail....
Sun Jun 10 21:39:05 CDT 2012


On Sun, Jun 10, 2012 at 7:36 PM, Fernando Perez <fperez.net@gmail.com> wrote:
> Note: it's not deterministic, but my system was under heavy load at
> the time when it did occur.  That might give Min some ideas...

These other two also occured only under heavy load, I can't reproduce
them now that the system isn't being hit so hard:

======================================================================
FAIL: %%px --group-outputs=engine
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/fperez/usr/lib/python2.7/site-packages/IPython/parallel/tests/test_magics.py",
line 131, in test_cellpx_groupby_engine
    self.assertEquals(len(lines), len(expected), io.stdout)
AssertionError: Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7, 8]
[stdout:1]
stdout
stdout2
[output:1]
<IPython.core.display.HTML at 0x3c65e50>
<IPython.core.display.Math at 0x3c65e50>
Out[1:1]: <IPython.core.display.Math at 0x3c65e50>
[stdout:2]
stdout
stdout2
[output:2]
<IPython.core.display.HTML at 0x3afead0>
<IPython.core.display.Math at 0x3afead0>
Out[2:1]: <IPython.core.display.Math at 0x3afead0>
[stdout:3]
stdout
stdout2
[output:3]
<IPython.core.display.HTML at 0x2dddad0>
<IPython.core.display.Math at 0x2dddad0>
Out[3:1]: <IPython.core.display.Math at 0x2dddad0>
[stdout:4]
stdout
stdout2
[output:4]
<IPython.core.display.HTML at 0x29c2210>
<IPython.core.display.Math at 0x29c2210>
Out[4:1]: <IPython.core.display.Math at 0x29c2210>
[stdout:5]
stdout
stdout2
[output:5]
<IPython.core.display.HTML at 0x2749250>
<IPython.core.display.Math at 0x2749250>
[stdout:6] stdout
[output:6]
<IPython.core.display.HTML at 0x2bf6210>
[stdout:7]
stdout
stdout2
[output:7]
<IPython.core.display.HTML at 0x30dded0>
<IPython.core.display.Math at 0x30dded0>
Out[7:1]: <IPython.core.display.Math at 0x30dded0>
[stdout:8]
stdout
stdout2
[output:8]
<IPython.core.display.HTML at 0x3b1dcd0>
<IPython.core.display.Math at 0x3b1dcd0>
Out[8:16]: <IPython.core.display.Math at 0x3b1dcd0>

    '51 != 56' = '%s != %s' % (safe_repr(51), safe_repr(56))
    u'Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7,
8]\n[stdout:1] \nstdout\nstdout2\n[output:1]\n<IPython.core.display.HTML
at 0x3c65e50>\n<IPython.core.display.Math at 0x3c65e50>\nOut[1:1]:
<IPython.core.display.Math at 0x3c65e50>\n[stdout:2]
\nstdout\nstdout2\n[output:2]\n<IPython.core.display.HTML at
0x3afead0>\n<IPython.core.display.Math at 0x3afead0>\nOut[2:1]:
<IPython.core.display.Math at 0x3afead0>\n[stdout:3]
\nstdout\nstdout2\n[output:3]\n<IPython.core.display.HTML at
0x2dddad0>\n<IPython.core.display.Math at 0x2dddad0>\nOut[3:1]:
<IPython.core.display.Math at 0x2dddad0>\n[stdout:4]
\nstdout\nstdout2\n[output:4]\n<IPython.core.display.HTML at
0x29c2210>\n<IPython.core.display.Math at 0x29c2210>\nOut[4:1]:
<IPython.core.display.Math at 0x29c2210>\n[stdout:5]
\nstdout\nstdout2\n[output:5]\n<IPython.core.display.HTML at
0x2749250>\n<IPython.core.display.Math at 0x2749250>\n[stdout:6]
stdout\n[output:6]\n<IPython.core.display.HTML at
0x2bf6210>\n[stdout:7]
\nstdout\nstdout2\n[output:7]\n<IPython.core.display.HTML at
0x30dded0>\n<IPython.core.display.Math at 0x30dded0>\nOut[7:1]:
<IPython.core.display.Math at 0x30dded0>\n[stdout:8]
\nstdout\nstdout2\n[output:8]\n<IPython.core.display.HTML at
0x3b1dcd0>\n<IPython.core.display.Math at 0x3b1dcd0>\nOut[8:16]:
<IPython.core.display.Math at 0x3b1dcd0>\n' =
self._formatMessage(u'Parallel execution on engine(s): [1, 2, 3, 4, 5,
6, 7, 8]\n[stdout:1]
\nstdout\nstdout2\n[output:1]\n<IPython.core.display.HTML at
0x3c65e50>\n<IPython.core.display.Math at 0x3c65e50>\nOut[1:1]:
<IPython.core.display.Math at 0x3c65e50>\n[stdout:2]
\nstdout\nstdout2\n[output:2]\n<IPython.core.display.HTML at
0x3afead0>\n<IPython.core.display.Math at 0x3afead0>\nOut[2:1]:
<IPython.core.display.Math at 0x3afead0>\n[stdout:3]
\nstdout\nstdout2\n[output:3]\n<IPython.core.display.HTML at
0x2dddad0>\n<IPython.core.display.Math at 0x2dddad0>\nOut[3:1]:
<IPython.core.display.Math at 0x2dddad0>\n[stdout:4]
\nstdout\nstdout2\n[output:4]\n<IPython.core.display.HTML at
0x29c2210>\n<IPython.core.display.Math at 0x29c2210>\nOut[4:1]:
<IPython.core.display.Math at 0x29c2210>\n[stdout:5]
\nstdout\nstdout2\n[output:5]\n<IPython.core.display.HTML at
0x2749250>\n<IPython.core.display.Math at 0x2749250>\n[stdout:6]
stdout\n[output:6]\n<IPython.core.display.HTML at
0x2bf6210>\n[stdout:7]
\nstdout\nstdout2\n[output:7]\n<IPython.core.display.HTML at
0x30dded0>\n<IPython.core.display.Math at 0x30dded0>\nOut[7:1]:
<IPython.core.display.Math at 0x30dded0>\n[stdout:8]
\nstdout\nstdout2\n[output:8]\n<IPython.core.display.HTML at
0x3b1dcd0>\n<IPython.core.display.Math at 0x3b1dcd0>\nOut[8:16]:
<IPython.core.display.Math at 0x3b1dcd0>\n', '51 != 56')
>>  raise self.failureException(u'Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7, 8]\n[stdout:1] \nstdout\nstdout2\n[output:1]\n<IPython.core.display.HTML at 0x3c65e50>\n<IPython.core.display.Math at 0x3c65e50>\nOut[1:1]: <IPython.core.display.Math at 0x3c65e50>\n[stdout:2] \nstdout\nstdout2\n[output:2]\n<IPython.core.display.HTML at 0x3afead0>\n<IPython.core.display.Math at 0x3afead0>\nOut[2:1]: <IPython.core.display.Math at 0x3afead0>\n[stdout:3] \nstdout\nstdout2\n[output:3]\n<IPython.core.display.HTML at 0x2dddad0>\n<IPython.core.display.Math at 0x2dddad0>\nOut[3:1]: <IPython.core.display.Math at 0x2dddad0>\n[stdout:4] \nstdout\nstdout2\n[output:4]\n<IPython.core.display.HTML at 0x29c2210>\n<IPython.core.display.Math at 0x29c2210>\nOut[4:1]: <IPython.core.display.Math at 0x29c2210>\n[stdout:5] \nstdout\nstdout2\n[output:5]\n<IPython.core.display.HTML at 0x2749250>\n<IPython.core.display.Math at 0x2749250>\n[stdout:6] stdout\n[output:6]\n<IPython.core.display.HTML at 0x2bf6210>\n[stdout:7] \nstdout\nstdout2\n[output:7]\n<IPython.core.display.HTML at 0x30dded0>\n<IPython.core.display.Math at 0x30dded0>\nOut[7:1]: <IPython.core.display.Math at 0x30dded0>\n[stdout:8] \nstdout\nstdout2\n[output:8]\n<IPython.core.display.HTML at 0x3b1dcd0>\n<IPython.core.display.Math at 0x3b1dcd0>\nOut[8:16]: <IPython.core.display.Math at 0x3b1dcd0>\n')


======================================================================
FAIL: %%px --group-outputs=order
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/fperez/usr/lib/python2.7/site-packages/IPython/parallel/tests/test_magics.py",
line 173, in test_cellpx_groupby_order
    self.assertEquals(len(lines), len(expected), io.stdout)
AssertionError: Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7, 8]

    '0 != 64' = '%s != %s' % (safe_repr(0), safe_repr(64))
    'Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7, 8]\n' =
self._formatMessage('Parallel execution on engine(s): [1, 2, 3, 4, 5,
6, 7, 8]\n', '0 != 64')
>>  raise self.failureException('Parallel execution on engine(s): [1, 2, 3, 4, 5, 6, 7, 8]\n')


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