Re: Slow Interactivity / hdparam Tuneup?

[khromy <khromy@lnuxlab.ath.cx>]

Mike,

You may want to try setting unmaskirq to 1 (hdparm -u1 /dev/hda) and I/O 
support to "32-bit w/sync" (hdparm -c3 /dev/hda).  This might help with 
your interactivity.

Regards,
  khromy

L1:     khromy          ;khromy (at) lnuxlab.ath.cx

Michael B Allen wrote:
> I'm running 2.4 on a T30 laptop. X gets very choppy when the disk rocks.
> When locatedb is running the machine is barely usable. Can anyone recommend
> changes that I can make that might improve the situation?
>
> Thanks,
> Mike
>
> [root@quark root]# hdparm /dev/hda
>
> /dev/hda:
>  multcount    = 16 (on)
>  I/O support  =  0 (default 16-bit)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  nowerr       =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 5168/240/63, sectors = 78140160, start = 0
>  busstate     =  1 (on)
> [root@quark root]# hdparm -i /dev/hda
>
> /dev/hda:
>
>  Model=TOSHIBA MK4019GAX, FwRev=FA003B, SerialNo=Y2II6365T
>  Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=46
>  BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78140160
>  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
>  PIO modes: pio0 pio1 pio2 pio3 pio4 
>  DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3
> udma4 *udma5 
>  AdvancedPM=yes: unknown setting WriteCache=enabled
>  Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 ATA-5