hdparm ignores standby timeout option

[Petr Nemec]

Steps to Reproduce :
sudo hdparm -S 1 /dev/sda
sudo hdparm -S 12 /dev/sda
sudo hdparm -S 60 /dev/sda

Expected Results:
Drive should go to sleep in 5 seconds.
Drive should go to sleep in 1 minute.
Drive should go to sleep in 5 minutes.

Actual Results:
Drive goes to sleep in 10 minutes.
Drive goes to sleep in 10 minutes.
Drive goes to sleep in 10 minutes.

Regression:
Ubuntu Server 12.10 (64-bit)
hdparm 9.37-0ubuntu4

Notes:
<file system> <mount point> <type>
/dev/sda1 /srv ext4
/dev/sdb1 / ext4
/dev/sdb2 none swap

sudo hdparm -i /dev/sda

/dev/sda:

 Model=WDC WD5000BPVT-80HXZT3, FwRev=01.01A01, SerialNo=
 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes: pio0 pio3 pio4
 DMA modes: mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5 udma6
 AdvancedPM=yes: unknown setting WriteCache=enabled
 Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7

 * signifies the current active mode

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[vsespb (vsespb)]

looks like duplicate https://bugs.launchpad.net/ubuntu/+source/hdparm/+bug/875719