[Bug 1091272] [NEW] hdparm ignores standby timeout option

[Petr Nemec]

Public bug reported:

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

** Affects: hdparm (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1091272

Title:
  hdparm ignores standby timeout option

Status in “hdparm” package in Ubuntu:
  New

Bug description:
  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

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