Package: hdparm
Version: 5.8-1
Severity: critical

The command
  hdparm -W 0 /dev/hda
does not disable write caching on my hard disk. There is no error
message, but a subsequent
  hdparm -I /dev/hda
reports that write caching is still enabled.

This was working correctly in version 4.5-1.2 (stable) and is
failing in version 5.8-1 (testing).

This bug is serious because journalled file systems such as ext3 can
only guarantee no data loss/corruption if the hardware write caching is
turned off. So I have marked this bug as "critical".


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