Re: Silicon Image 3512 & seagate ST3120026AS in 2.4.27-rc2

[Jeff Garzik <jgarzik@pobox.com>]

On Tue, Jun 29, 2004 at 10:24:05AM +0200, David Jez wrote:
> >   I have sil3512 controller and 2x Seagate ST3120026AS (yes, with mod15
> > problem...) discs. When i try some writes to disc sata_sil driver hangs.
> > Nothing ooops or something like this only following messages:
> > ata1: DMA timeout, stat 0x4
> > ata2: DMA timeout, stat 0x4
> >   I tried add this discs to sil_blacklist with SIL_QUIRK_MOD15WRITE,
> > tried your try4 patch and nothing helps.
> >   Any ideas?
>   2.6.7 with [PATCH] fix sata_sil quirk and blacklisted Seagate seems working.
> hdparm says only 13 MB/sec :( but it WORKS. Any chance for working in 2.4
> or should i buy old&good Maxtor instead :-) ?

Unfortunately for users I must choose "stability first, performance
later."  So 13MB/sec is probably about the maximum for that list of
SIL_QUICK_MOD15WRITE drives.

I am surprised that 2.4 is affected, since it should not have the
max_sectors problem that was present in 2.6.x.

	Jeff