Ubuntu
linux package

  1. Bug #1366538
  2. Comment #31

Comment 31 for bug 1366538

Revision history for this message
brad haack (bradhaack-g) wrote :

These are consecutive cmds, wirte cach goes from on, to not supported, to off . Further tries for this show that it seems random.

~
dt1:sudo hdparm -W /dev/sdc

/dev/sdc:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 write-caching = 1 (on)
~
dt1:sudo hdparm -W /dev/sdc

/dev/sdc:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 write-caching = not supported
~
dt1:sudo hdparm -W /dev/sdc

/dev/sdc:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 write-caching = 0 (off)