Bzr check error, got IOError(CRC check failed)

[Panagiotis Papadakos]

bzr check fails with a CRC check failed error.

The tail of the message is:

xcf\xb2\x1a\xfa\xfc:
\x0c6q["\x87\xd5P\x08\xf9\xcbe\xf6\xa7\xe5\xc0\x9a\x08\xb3\xe13\xba\xf1[H\xc8\x89[,
\x91\xb5\x08\xe1\x1a\xc8\xc7\x96aA\xe8\x1d\x90\x87o\xaf\xedm@\xc4\xa1\xce\xbd 
\xda\xfcr\xc1\x86\x0f\xa0\xac,
\xcb\xf6\x90j+\x12\rm\xca\x05\xb1\x0e\xd7\xbe7\x96\x07\x9c\x10\x96w\x8a\xdc\xdf 
\xb1\xd0S\x11\x886\xfdBy\xe6i\xfb\x8d64\xb5\xb1\xeb\x86\xe9\x17\x8b2\x87H\xfa\x174\x1e\xaa\x83@\xc0\xe9\x97l2;H\xe5\x10j\xbf\xa2:
\x08D\x9c~5$\xf3\xba9\xf4M\x06\x84\xce\xe0tU\xe7\xf4\xd5\x00\xa4\x1b&\xff>9#\xb0\n\xa6\xdd7\xf9WH\x881\xfd\xf2?f\x0fiBe\xc0\xee\x9f\x84#\xa7_\x8f\xc4<4\xf8\x8d\xb1EN\xbbC\x10\xce\x9c~\xcd\rs\xef\xa4\xf1\xf1\xb1cnD\x93r\xfa\x95\x0c\xcc\rW\x10@#\xc2.
\xcb\x81#\xa7\x7fT\x9f\xb9\xe1\xb7E\xd9#\xff\xde\xec\x00gN\xff<7s\xce\x87\x93 at c"~\x9c\x1f\x0e\x9e\xfe\xadZ\xe6\xad\xd4u\xd2\xa8`\x84o}\xbb8\xf0M|
\x9fT\x8cK\x8c\xab\xc7\x13\x839+\x0b\x94\x8a\x11"R\x08J\xf4(\x8aV\x94\x81\x16\x85J!
\x9a\x05.
\xd15\xd4\xc7\xe3\xfd\xb5L\x8d\xf4\xf4\xb5t\r\xf5t\xb5\xfc\xf5M\r\xc1/zz\x06z\xa6&z\x04\x03\x1333}]\x03}\xa1\xff\x03\xee^\x17^Pq\x05\x00', 
got IOError(CRC check failed 1578589934 2745438571)

bzr info -v reports:
Standalone tree (format: 1.9-rich-root)
Location:
  branch root: .

Related branches:
    push branch: bzr+ssh://papadako@groogle.csd.uoc.gr/srv/bzr-
repo/mitos/mitos-devel/
  parent branch: bzr+ssh://papadako@groogle.csd.uoc.gr/srv/bzr-
repo/mitos/mitos-devel/

Format:
       control: Meta directory format 1
  working tree: Working tree format 4
        branch: Branch format 7
    repository: Packs 6 rich-root (uses btree indexes, requires bzr 1.9)

In the working tree:
       637 unchanged
         0 modified
         0 added
         0 removed
         0 renamed
         1 unknown
       119 ignored
       151 versioned subdirectories

Branch history:
      2859 revisions
       457 days old
   first revision: Sun 2008-01-27 15:18:10 +0000
  latest revision: Wed 2009-04-29 11:34:58 +0300

Repository:
      3671 revisions

Any clues what is going on?