Re: SII SATA request size limit

[Witold Krecicki]

Dnia pon 15. września 2003 12:12, Adam Jones napisał:
> In a futile gesture against entropy, Witold Krecicki wrote:
> > I've lost some of mails about siimage on LKML, but Im' getting more and
> > more confused about 'hangs' probably caused by siimage driver. I was
> > using 15 rqsize, now 128 - doesn't matter. It happens in random moments -
> > sometimes at boot time when drive is fscked, sometimes when I'm trying to
> > copy large amount of data and sometimes without any particular reason
> > after several hours.
>
> Out of interest, do you have some sort of SCSI controller in your
> system as well?  I've got a SiI3112 card and I get a hard lock-up pretty
> much as soon as anything touches the SCSI bus on my aic7xxx card.
> Disabling DMA on the SiI IDE channel seems to work around it, at the
> cost of a lot of performance... (this is on stock 2.4.22, BTW)
No, only on-board nForce2 IDE controller. Disabling ACPI helped. - now it's 
stable

> Setting rqsize to 128 seems perfectly stable for me - my drive reports
> itself as a ST380013AS (Seagate Barracuda 7200.7 SATA 80GB).
I use 128 too, and I've got 2xST3120026AS (Barracuda 7200.7 120GB) in software 
RAID0
-- 
Witold Kręcicki (adasi) adasi [at] culm.net
GPG key: 7AE20871
http://www.culm.net
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/