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DragonFly bugs List (threaded) for 2004-10
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Re: floppy drives and ACPI


From: Sarunas Vancevicius <vsarunas@xxxxxxxxxx>
Date: Tue, 12 Oct 2004 21:44:56 +0100

On 11:37, Tue 12 Oct 04, Matthew Dillon wrote:
> 
> :On this AOpen board when I load with ACPI I get:
> :
> :kernel: fdc0: cannot reserve I/O port range
> :
> :without ACPI:
> :
> :kernel: fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
> :kernel: installed MI handler for int 6
> :kernel: fdc0: FIFO enabled, 8 bytes threshold
> :kernel: fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> :
> :-- 
> :Jeroen Ruigrok van der Werven <asmodai(at)wxs.nl> / asmodai / kita no mono
> 
>     boot -v with acpi and post the *entire* dmesg output.  Maybe Joerg
>     will have an idea.
> 
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@xxxxxxxxxxxxx>

I get this too, I got MSI KT6 Delta motherboard.

Nate Lawson fixed this on freebsd -current a while back. In
src/sys/dev/fdc/fdc_isa.c,v 1.11 2004/08/20. Here is the log
message:

"Remove a check that is too strict.  With BIOSen that specify an
IO/ctl port of 0x3f2-0x3f5,0x3f7 the ports are not 7 bytes apart.
This should fix floppy probing on such systems. (We handle the case
of adjusting for a start of 0x3f2 -> 0x3f0 separately, although that
code should still be checked if there are still floppy problems for
others.)"

Hope that helps to track it down.

-- 
Sarunas Vancevicius



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