Andre Hedrick <andre@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@t-online.de (Peter Steiner)
/ \_/_\_ /,--' Linux User #55148 (http://counter.li.org/)
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This archive was generated by hypermail 2b29 : Sun Jan 23 2000 - 21:00:29 EST