Why do I get the error "Incorrect number of segments after building list"?

Solution Unverified - Updated -

Issue

  • It seems the request building code is wrong which leads to incorrect number of segments.
  • Messages seen similar to the following:
    Jun 15 23:18:15 hostname1 kernel: end_request: I/O error, dev sdcs, sector 1660944368 
    Jun 15 23:18:18 hostname1 kernel: Incorrect number of segments after building list 
    Jun 15 23:18:18 hostname1 kernel: counted 9, received 8 
    Jun 15 23:18:18 hostname1 kernel: req nr_sec 576, cur_nr_sec 8
    

Environment

  • Red Hat Enterprise Linux 5.6 (or earlier)
    • kernel before 2.6.18-274

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