From owner-freebsd-questions  Mon May 31 22:57: 1 1999
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Date: Mon, 31 May 1999 22:56:48 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: Andrij Korud <akorud@polynet.lviv.ua>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Problems with ALI UDMA
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On 31 May 1999, Andrij Korud wrote:

> ide_pci0: <Acer Aladdin IV/V (M5229) Bus-master IDE controller> rev 0x20 int
> a i
> rq 255 on pci0.15.0
>    ^^^ - what does this mean?!?!?!?

Your BIOS is not assigning your IDE controller an IRQ.  Check the BIOS
Setup.  If you can't figure this out, set the flags to 80ff80ff to disable
UDMA support.

I hate Aladdin chipsets.  I have yet to see a good one :(

> Probing for devices on PCI bus 1:
> Probing for devices on the ISA bus:
> sc0 on isa
> sc0: VGA color <16 virtual consoles, flags=0x0>
> atkbdc0 at 0x60-0x6f on motherboard
> atkbd0 irq 1 on isa
> sio0 at 0x3f8-0x3ff irq 4 on isa
> sio0: type 16550A
> sio1 at 0x2f8-0x2ff irq 3 on isa
> sio1: type 16550A
> wdc0 at 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa
> wdc0: unit 0 (wd0): <QUANTUM FIREBALL EL5.1A>, DMA, 32-bit, multi-block-16
> wd0: 4892MB (10018890 sectors), 10602 cyls, 15 heads, 63 S/T, 512 B/S
> 
> and all is working fine. When I turn on UDMA, i got messages
> saying something like "irq timeout (DMA active)", sometimes it tell
> "probable a portable system" and even "Last time I say: irq timeout"
> And system does not working.
> 
> Can you give me any suggestion.
> 
> 
> 
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Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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