Martin Schlemmer wrote:
> On Fri, 2003-07-18 at 17:43, Jeff Garzik wrote:
>
> Slower this side. The Maxtor 40GB (ata133) is however just set to
> udma33, where the Seagate 20GB (ata100) driver is set correctly to
> udma100.
Yeah, that's expected: Parallel ATA (PATA) requires cable detection to
go beyond UDMA/33, and my driver doesn't do that yet [since I'm
concentrating on SATA].
> The Seagate start off ok (about 35mb/s), but then after doing some heavy
> disk io, it also just drops to the 20mb/s region.
That's definitely interesting. Is "heavy disk I/O" the hdparm stuff you
described, or something else too?
Jeff
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:38 EST