Re: [PATCH] Laptop-mode v7 for linux 2.6.1

[Jan De Luyck <lkml@kcore.org>]

On Monday 12 January 2004 12:22, Bart Samwel wrote:(
> Jan De Luyck wrote:
> > Patch applied, kernel built, laptop_mode activated, but my disk just
> > doesn't want to spin down...
>
> [...]
>
> > But the disk never spins down. Not that I can tell, hdparm -C /dev/hda
> > always tells me active/idle, and the sdsl tool also reports 100% disk
> > spinning...
> >
> > anything else I have to activate/check?
>
> Two things to try:
>
> 1. Check your HD with hdparm -I /dev/hdX, and see what it says at the
> "Standby timer values:" entry. Mine says:
>
> Standby timer values: spec'd by Standard, with device specific minimum

Mine gives:

Standby timer values: spec'd by Vendor, no device specific minimum

(is an HITACHI_DK23EA-40)

> smart_spindown script instead (I posted this a while ago, with one of
> the laptop_mode patches).

Will do.

> 2. Stop klogd, do "echo 1 > /proc/sys/vm/block_dump" and see which
> process keeps your disk spun up using dmesg.

Welll.... i see no READs, and the writes i see is spamd, kmail, pdflush, 
reiserfs/0.

Jan
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