[issue11277] Crash with mmap and sparse files on Mac OS X

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

"x86 debian parallel 2.7", "x86 Ubuntu Shared 2.7" and "x86 Tiger 2.7" fail with mmap.error('[Errno 12] Cannot allocate memory').

http://www.python.org/dev/buildbot/all/builders/x86%20Ubuntu%20Shared%202.7/builds/866/steps/test/logs/stdio
http://www.python.org/dev/buildbot/all/builders/x86%20Tiger%202.7/builds/776/steps/test/logs/stdio
http://www.python.org/dev/buildbot/all/builders/x86%20debian%20parallel%202.7/builds/739/steps/test/logs/stdio
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ERROR: test_big_buffer (test.test_zlib.ChecksumBigBufferTestCase)
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Traceback (most recent call last):
  File "/srv/buildbot/buildarea/2.7.bolen-ubuntu/build/Lib/test/test_zlib.py", line 91, in test_big_buffer
    m = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
error: [Errno 12] Cannot allocate memory

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<http://bugs.python.org/issue11277>
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