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SubjectRe: Western Digital hard drive and DMA
> first, what controller is it plugged into, and which kernel are you
> running, and what are the ide-related boot messages?

Well, ATM its 2.4.17, but ive had the problem all through since 2.4.5, which
was the first kernel installed on this machine. The chipset is Intel 440BX.

These are the IDE boot messages:

Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x1420-0x1427, BIOS settings: hda:pio, hdb:DMA
ide1: BM-DMA at 0x1428-0x142f, BIOS settings: hdc:DMA, hdd:pio
hda: WDC WD600AB-00BVA0, ATA DISK drive
hdb: WDC AC313600D, ATA DISK drive
hdc: TOSHIBA DVD-ROM SD-M1212, ATAPI CD/DVD-ROM drive
hdd: PCRW804, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 117231408 sectors (60022 MB) w/2048KiB Cache, CHS=7297/255/63, UDMA(33)
hdb: 26712000 sectors (13677 MB) w/1966KiB Cache, CHS=1662/255/63, UDMA(33)
hdc: ATAPI 32X DVD-ROM drive, 256kB Cache, UDMA(33)

hdd is running though ide-scsi, as it is a cd-rw. hda and hdb both have dma
turned off later in the boot process by hdparm. Could it be that I wasnt
using those 80 conductor cables, and was getting crosstalk? I guess i could
buy some to test that theory out...

--
Adam Jaskiewicz
adamjaskie@yahoo.com
http://middlearth.d2g.com:31415
talk: adam@middlearth.d2g.com
--
... But we've only fondled the surface of that subject.
-- Virginia Masters
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