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Re: CRC-checksum failed in gzip

References <CAF_E5JahAZ4w3em_aqBbx63pxiTU-nqtRLZWb5_jRQr2yqhRWA@mail.gmail.com> <50190ED6.1040100@shopzeus.com>
Date 2012-08-01 14:01 +0100
Subject Re: CRC-checksum failed in gzip
From andrea crotti <andrea.crotti.0@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.2825.1343826107.4697.python-list@python.org> (permalink)

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Full traceback:

Exception in thread Thread-8:
Traceback (most recent call last):
  File "/user/sim/python/lib/python2.7/threading.py", line 530, in
__bootstrap_inner
    self.run()
  File "/user/sim/tests/llif/AutoTester/src/AutoTester2.py", line 67, in run
    self.processJobData(jobData, logger)
  File "/user/sim/tests/llif/AutoTester/src/AutoTester2.py", line 204,
in processJobData
    self.run_simulator(area, jobData[1] ,log)
  File "/user/sim/tests/llif/AutoTester/src/AutoTester2.py", line 142,
in run_simulator
    report_file, percentage, body_text = SimResults.copy_test_batch(log, area)
  File "/user/sim/tests/llif/AutoTester/src/SimResults.py", line 274,
in copy_test_batch
    out2_lines = out2.read()
  File "/user/sim/python/lib/python2.7/gzip.py", line 245, in read
    self._read(readsize)
  File "/user/sim/python/lib/python2.7/gzip.py", line 316, in _read
    self._read_eof()
  File "/user/sim/python/lib/python2.7/gzip.py", line 338, in _read_eof
    hex(self.crc)))
IOError: CRC check failed 0x4f675fba != 0xa9e45aL


- The file is written with the linux gzip program.
- no I can't reproduce the error with the same exact file that did
failed, that's what is really puzzling,
  there seems to be no clear pattern and just randmoly fails. The file
is also just open for read from this program,
  so in theory no way that it can be corrupted.

  I also checked with lsof if there are processes that opened it but
nothing appears..

- can't really try on the local disk, might take ages unfortunately
(we are rewriting this system from scratch anyway)

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Thread

Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-01 14:01 +0100
  Re: CRC-checksum failed in gzip Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-01 16:17 +0000
    Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-01 17:38 +0100
    Re: CRC-checksum failed in gzip Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-01 19:05 +0200
    Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-01 18:17 +0100
    Re: CRC-checksum failed in gzip Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-01 19:57 +0200
      Re: CRC-checksum failed in gzip Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-08-02 10:49 +0200
        Re: CRC-checksum failed in gzip Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-02 12:14 +0200
    Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-02 10:26 +0100
    Re: CRC-checksum failed in gzip Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-02 12:21 +0200
    Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-02 11:57 +0100
    Re: CRC-checksum failed in gzip andrea crotti <andrea.crotti.0@gmail.com> - 2012-08-02 11:59 +0100

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