The corruption of /proc/diskstats happens
Issue
- While running some tests you found that %util of a disk partition in iostat had been 100%. This seems to be caused by a corrupted in_flight entry in /proc/diskstats, i.e.:
...
8 20 sdh4 4 31 44 4 1 6 16 41 4 1691736129 2657924117
8 21 sdh5 21379 3649 3889328 50654 244722 25431391 205412528 108622633 4294967292 1691681779 1745737519
...
- A similar problem was resolved in Red Hat Bugzilla 669363 in a previous kernel.
Environment
- Red Hat Enterprise Linux 6
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