Exactelly, as I know, from 2.2.10 all kernels have this possibility... BUT!
not for all chipsets.
For me (HPT366) there is only the patch, AND no possibility to boot from
this disk!
So I must wait untill the developpement of driver for this chipset finish...
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Andrew Mitchell
> Sent: Tuesday, November 23, 1999 7:04 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [expert] problem with ATA/66
>
>
> Tom Brinkman wrote:
> >
> >
> > > > /dev/hda:
> > > > Timing buffer-cache reads: 128 MB in 1.75 seconds
> =73.14 MB/sec
> > > > Timing buffered disk reads: 64 MB in 21.91 seconds =
> 2.92 MB/sec
> > > >
> > > > I'm not gonna switch it just to show you guys, but on
> hde cache reads hit
> > > > around 125-150, and buffered gets up to about 5-10. A mighty big
> > > > improvment, but....
> > >
> > > Something's mighty wrong with those readings Axalon...
> Here's my 18G WD:
> > >
> > > [root@tippy /root]# hdparm -tT /dev/hda
> > >
> > > /dev/hda:
> > > Timing buffer-cache reads: 128 MB in 1.73
> seconds =73.99 MB/sec
> > > Timing buffered disk reads: 64 MB in 3.81
> seconds =16.80 MB/sec
> >
> > for my 8.4 WD ide0 slave
> >
> > /dev/hdb1:
> > Timing buffer-cache reads: 128 MB in 0.87 seconds =147.13 MB/sec
> > Timing buffered disk reads: 64 MB in 6.04 seconds =10.60 MB/sec
> >
> > Twice your cache reads, not as good as your disk reads. Take
> > a look at 'info hdparm'. It recommends low settings for 'multcount'
> > and 'readahead' for WD drives. I use 4, and 64, rather than your
> > 8, and 128. I've tried 'em all tho, the above numbers are the best
> > I can get out of this older drive.
> >
> > dev/hdb:
> > multcount = 4 (on)
> > I/O support = 1 (32-bit)
> > unmaskirq = 1 (on)
> > using_dma = 1 (on)
> > keepsettings = 1 (on)
> > nowerr = 0 (off)
> > readonly = 0 (off)
> > readahead = 64 (on)
> > geometry = 1027/255/63, sectors = 16514064, start = 0
> > --
> > .. Tom Brinkman [EMAIL PROTECTED] .
> >
> Unfortunately, since I don't have a patched kernel, I can't enable DMA
> access for my drives, as I am using an Ali M15x3 chipset. I get these
> results without tweaking (a bit off since I have about 20 netscape
> windows open)
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 2.27 seconds =56.39 MB/sec
> Timing buffered disk reads: 64 MB in 10.37 seconds = 6.17 MB/sec
>
> I really want to be able to enable UDMA, because in Mandrake 6.0, with
> only enabling UDMA, I was getting about 13-14 MB/sec, which
> sped it up a
> bit.
> Is there a patched kernel available to download for 6.1, or
> do I have to
> get the sources and the patch (or kernel 2.3.x)?
> --
> *===================================================*
> | Andrew Mitchell |
> | Email [EMAIL PROTECTED] |
> | Home Page http://members.tripod.com/Ajmitchell/ |
> | ICQ 11392490 (ajmitch) |
> *===================================================*
