Server crashed over "mpage_end_io_read()" with NULL pointer dereference

Solution Verified - Updated -

Issue

  • Server got panicked with RIP: mpage_end_io_read.
  • Panic message was "BUG: unable to handle kernel NULL pointer dereference at (null)".

Environment

  • Red Hat Enterprise Linux 6
  • Symantec/Veritas Backup Exec software

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