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Date:      Mon, 25 Jan 1999 11:28:17 +0000
From:      Karl Pielorz <kpielorz@tdx.co.uk>
To:        current@FreeBSD.ORG
Subject:   IDE DMA problems? (4.0-current as of 01/24/99 ~01:10)
Message-ID:  <36AC5551.F9E99D45@tdx.co.uk>

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Hi,

Just finsihed upgrading to 4.0-Current, and both my machines now come up with:

wd0: DMA failure, DMA status 0
wd0: DMA failure, DMA status 0
wd2: DMA failure, DMA status 0
wd2: DMA failure, DMA status 0
wd1: DMA failure, DMA status 0
wd3: DMA failure, DMA status 0
wd3: DMA failure, DMA status 0
wd1: DMA failure, DMA status 0
wd1: DMA failure, DMA status 0

(basically that error for all IDE drives installed).

Both motherboards are P-Pro's (ones a dual, ones a single) - using Intel 440FX
chipset's...

DMesg shows:

wdc0 at 0x1f0-0x1f7 irq 14 flags 0x20002000 on isa
wdc0: unit 0 (wd0): <QUANTUM FIREBALL SE4.3A>, DMA
wd0: 4110MB (8418816 sectors), 14848 cyls, 9 heads, 63 S/T, 512 B/S
wdc0: unit 1 (wd1): <QUANTUM FIREBALL ST2.1A>, DMA
wd1: 2014MB (4124736 sectors), 4092 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 flags 0x20002000 on isa
wdc1: unit 0 (wd2): <QUANTUM FIREBALL SE4.3A>, DMA
wd2: 4110MB (8418816 sectors), 14848 cyls, 9 heads, 63 S/T, 512 B/S
wdc1: unit 1 (wd3): <QUANTUM SIROCCO2550A>, DMA
wd3: 2445MB (5008752 sectors), 4969 cyls, 16 heads, 63 S/T, 512 B/S


I never got these 'failures' before... (They keep popping up on the console as
well :-(

Can they be ignored? Can they be fixed? :) - The drives appear to work OK...
The more the drives get access, the more messages I get (I guess
understandably)...

-Kp

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