Re: No more floppy drive

On Wed, Aug 25, 2004 at 04:17:33PM -0600, M. Warner Losh wrote:
> In message: <412D0E04.8040701_at_root.org>
>             Nate Lawson <nate_at_root.org> writes:
> : Ruslan Ermilov wrote:
> : 
> : > On Wed, Aug 25, 2004 at 02:24:24PM -0700, Nate Lawson wrote:
> : > 
> : >>Ruslan Ermilov wrote:
> : >>
> : >>>On a kernel compiled without "device fdc" and booted verbosely,
> : >>>"kldload fdc" results in the following:
> : >>>
> : >>>: fdc0: cannot reserve I/O port range (6 ports)
> : >>
> : >>>What stuff would you like me to pepper, given the additional
> : >>>information above?
> : >>
> : >>Please send output of devinfo -r to see who is holding something 
> : >>overlapping 0x3f0-0x3f5.
> : >>
> : > 
> : > Nothing overlapped (I verified with "devinfo -u"), but your mail
> : > made me think.  I keep my /boot/device.hints on this notebook
> : > identical to GENERIC.hints.  After commenting out "fdc" lines
> : > in /boot/device.hints:
> : > 
> : > $ diff -u /sys/i386/conf/GENERIC.hints /boot/device.hints
> : > --- /sys/i386/conf/GENERIC.hints        Sat Apr  3 13:59:14 2004
> : > +++ /boot/device.hints  Thu Aug 26 00:32:55 2004
> : > _at__at_ -1,8 +1,8 _at__at_
> : >  # $FreeBSD: src/sys/i386/conf/GENERIC.hints,v 1.13 2004/04/01 21:48:31 alfred Exp $
> : > -hint.fdc.0.at="isa"
> : > -hint.fdc.0.port="0x3F0"
> : > -hint.fdc.0.irq="6"
> : > -hint.fdc.0.drq="2"
> : > +#hint.fdc.0.at="isa"
> : > +#hint.fdc.0.port="0x3F0"
> : > +#hint.fdc.0.irq="6"
> : > +#hint.fdc.0.drq="2"
> : >  hint.fd.0.at="fdc0"
> : >  hint.fd.0.drive="0"
> : >  hint.fd.1.at="fdc0"
> : 
> : Try commenting out the fd hints also.
> : 
> : > I got this:
> : > 
> : > $ dmesg |grep fdc
> : > fdc0: ic_type 90 part_id 73
> : > fdc0: <Enhanced floppy controller> at port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0
> : > fdc0: ic_type 90 part_id 73
> : > fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> : 
> : Good to see this is working.
> 
> Generally one doesn't want ANY hints when one has pnpisabios or acpi
> supplying the hints, unless one really does have an exceptional device
> at that location.
> 
A lot of current_at_ users report missing /dev/fd0 due to this.  Can this
be fixed somehow?


Cheers,
-- 
Ruslan Ermilov
ru_at_FreeBSD.org
FreeBSD committer