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Date: Thu, 5 Oct 2006 21:20:24 GMT
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To: freebsd-bugs@FreeBSD.org
From: Eugene Grosbein <eugen@kuzbass.ru>
Cc: 
Subject: Re: kern/103841: [fdc] fdc(4) does not work (regression)
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The following reply was made to PR kern/103841; it has been noted by GNATS.

From: Eugene Grosbein <eugen@kuzbass.ru>
To: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>
Cc: Robert Watson <rwatson@freebsd.org>,
        FreeBSD Stable <freebsd-stable@freebsd.org>, bug-followup@freebsd.org
Subject: Re: kern/103841: [fdc] fdc(4) does not work (regression)
Date: Fri, 6 Oct 2006 05:11:22 +0800

 On Fri, Oct 06, 2006 at 12:00:15AM +0300, Dmitry Pryanishnikov wrote:
 
 >   The problem is clearly an I/O port resource misdetection:
 > On Fri, 6 Oct 2006, Eugene Grosbein wrote:
 > >>4.11-STABLE:
 > >>fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
 > ---------------------------------------^^^^^^^^^^^^^^^^^
 >  OK.
 > >>6.2-PRERELEASE:
 > >>fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f0 irq 6 drq 2 on 
 > >>acpi0
 > ----------------------------------------^^^^^^^^^^^^^^^^^
 >  Bad (no 0x3f7, 0x3f0 gets listed twice).
 
 Recent revisions of fdc(4) do not use control register at port 0x3f7.
 
 CURRENT's version works fine and still probes controller this way,
 without 0x3f7. You can get background info from commint logs for fdc.c
 
 Eugene Grosbein