ALI M15x3 chipset support (EXPERIMENTAL) Migration...

[Andre Hedrick]

I forgot the "l" 'crippled' and I can not spell.........


On Sun, 23 Jan 2000, Peter Steiner wrote:

> Andre Hedrick <andre en suse.com> wrote:
> 
> >IBM-DJNA-352030, 19470MB w/1966kB Cache, CHS=2482/255/63, (U)DMA
> >
> >This is an ATA-66 drive that has been cripped to ATA-2 and corrected to
> >ATA-33.  This can be fixed like I fixed the cmd646 code.
> 
> What does "cripped to" mean? I bought it as an ATA-66 drive.
> 
> Anyway, 2.3.40 now shows:
> 
> |Uniform Multi-Platform E-IDE driver Revision: 6.30
> |ALI15X3: IDE controller on PCI bus 00 dev 78
> |ALI15X3: not 100% native mode: will probe irqs later
> |    ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
> |ALI15X3: simplex device:  DMA disabled
> |ide1: ALI15X3 Bus-Master DMA disabled (BIOS)
> |hda: IBM-DJNA-352030, ATA DISK drive
> |ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> |hda: IBM-DJNA-352030, 19470MB w/1966kB Cache, CHS=2482/255/63, UDMA(33)
> 
> |        -------Sequential Output-------- ---Sequential Input-- --Random--
> |        -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> |    100  3200 99.5 13017 23.0  4715 11.0  2861 90.5 10019 10.0 125.7  2.9
> 
> |/dev/hda:
> | Timing buffer-cache reads:   64 MB in  2.63 seconds =24.33 MB/sec
> | Timing buffered disk reads:  32 MB in  2.23 seconds =14.35 MB/sec
> |Hmm.. suspicious results: probably not enough free memory for a proper test.
> 
> This happens with latest 2.3.x kernels (I don't know exactly when it started).
> 
> |# free
> |             total       used       free     shared    buffers     cached
> |Mem:         62504      57340       5164          0      46640       2852
> |-/+ buffers/cache:       7848      54656
> 
> I don't think there's not enough memory free. More probably the buffer-cache
> hash table is too small (1024 buckets).
> 
> Peter 
> -- 
>   _   x    ___   p.steiner en t-online.de (Peter Steiner)
>  / \_/_\_ /,--' Linux User #55148 (http://counter.li.org/)
>  \/>'~~~~//
>    \_____/ perl -e'while(<>){s/=\n//g;s/=([\dA-F]{2})/chr(hex($1))/eg;print;}'
> 

Andre Hedrick
The Linux ATA/IDE guy

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