Re: 2.4.24 problems [WAS: Re: IDE DMA problem [WAS: Re: Getting lousy NFS + tar-pipe throughput on 2.4.20]]

[Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>]

On Monday 16 of February 2004 18:09, Timothy Miller wrote:
> Bartlomiej Zolnierkiewicz wrote:
> > On Saturday 14 of February 2004 01:16, Timothy Miller wrote:
> >
> >   Does 2.4.20 not work well with the KT600
> >
> >>chipset?
> >
> > It doesn't, upgrade to 2.4.24.
>
> Ok, so we tried that.  That caused all sorts of havoc, most of which we
> might be able to figure out.  It seems that RedHat's utilities and stuff
> don't get along well with 2.4.24 if all you do is just boot the new
> kernel.  Seems a bunch of other stuff needs to be upgraded.
>
> Also, 'root=LABEL=/' doesn't work anymore in grub.conf, and there seems
> to be no way to enable it.  Is this a RedHat only thing?

This feature is not present in vanilla kernels.

> In any event, when we managed to get it to boot, it absolutely did NOT
> fix the DMA problem with the KT600.  Trying to enable it with hdparm
> still says "Operation not permitted".  We spend a LOT of time trying to
> make sure we got the kernel configured right with all of the right
> options, etc., but we're still without IDE DMA.
>
> Any further suggestions?

Do you have VIA IDE driver compiled in?
CONFIG_BLK_DEV_VIA82CXXX=y

If so, please send output of 'dmesg' command.

--bart