Re: FW: LIBATA issue with SATA drive

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On 10/19/07, Tejun Heo <htejun@xxxxxxxxx> wrote:
> Torsten Kaiser wrote:
> > Just remebered another thing about sata_sil24 that popped up with 2.6.23-mm1.
> > With this kernel version (comparing to 2.6.23-rc8-mm1) the port
> > probing time goes up from ~0.5 seconds per port/drive to ~2 seconds.
> > Also the SControl changed:
> >
> > 2.6.23-rc8-mm1:
> > [    4.110000] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> > 2.6.23-mm1:
> > [    5.930000] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
> >
> > But except for increased delay during boot no errors can seen, the
> > drives work normally.
>
> Yeah, PARTIAL / SLUMBER mode restriction is lifted.  Dunno whether
> that's related to the increased delay tho.  Will investigate.

But don't invest too much time into this.
That the delay is part of the broken ACPI of this board/bios seems
very likely to me.
(And apart from that delay there seems to be no other changes.)

Torsten
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