Date: Thu, 26 Aug 2004 09:31:29 +0300 From: Ruslan Ermilov <ru@freebsd.org> To: Nate Lawson <nate@root.org> Cc: "M. Warner Losh" <imp@bsdimp.com> Subject: Re: No more floppy drive Message-ID: <20040826063129.GE26879@ip.net.ua> In-Reply-To: <412D2087.4000306@root.org> References: <20040825.161733.103236573.imp@bsdimp.com> <20040825222345.GB79209@ip.net.ua> <412D12D4.1000401@root.org> <20040825.163521.103131991.imp@bsdimp.com> <412D2087.4000306@root.org>
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[-- Attachment #1 --] On Wed, Aug 25, 2004 at 04:28:07PM -0700, Nate Lawson wrote: > M. Warner Losh wrote: > >In message: <412D12D4.1000401@root.org> > > Nate Lawson <nate@root.org> writes: > >: There are only two ways currently to find fd0 on ISA systems: ACPI _FDE > >: probing and hints. The acpi probe automatically falls back to the hints > >: system if _FDE fails so you should leave the hint.fd.0 lines in but > >: comment out hint.fdc lines (as you've done). > > > >I think this is a bad idea, but may be what we have to do for 5.3. We > >can find out what drives are on the system by asking the rtc() if > >there's no _FDE, which is what the old, pre-acpi code did (which is > >why people are seeing their drives disappear now). > > This is incorrect. The acpi commits did not remove any rtc probe; there > never was one. There were only two commits by me to fdc.c so check them > out to see what I mean. All I did was move the existing hints probe > into its own function, fdc_hints_probe(). The easiest way to see how > fdX gets probed is to look for callers to fdc_add_child(). They are > fdc_acpi_probe_children() and fdc_hints_probe(). The latter is called > by the ISA attachment or the ACPI attachment if the _FDE method is not > present. (BTW, it seems the pccard attachment doesn't probe this way?) > It doesn't look like an ACPI problem to me, since I don't use an ACPI (due to it assigning an incorrect IRQ to my NIC). If I try with ACPI, I don't see any change in behavior. (Thought I'd mention this again.) Cheers, -- Ruslan Ermilov ru@FreeBSD.org FreeBSD committer [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (FreeBSD) iD8DBQFBLYPBqRfpzJluFF4RAnhOAJ9LartYl0qKsbEgbXprv8DapiEj4wCZAdtW m5Vsf9mCXbjbU4jFfINoHGs= =SYYs -----END PGP SIGNATURE-----help
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