Date: Fri, 27 Jan 2012 13:21:39 -0500 From: John Baldwin <jhb@freebsd.org> To: Doug Barton <dougb@freebsd.org> Cc: freebsd-current@freebsd.org, Andriy Gapon <avg@freebsd.org> Subject: Re: ichwd0: unable to reserve GCS registers Message-ID: <201201271321.39632.jhb@freebsd.org> In-Reply-To: <4F0401D3.9040903@FreeBSD.org> References: <4E23EE49.5040801@FreeBSD.org> <201201031714.40777.jhb@freebsd.org> <4F0401D3.9040903@FreeBSD.org>
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On Wednesday, January 04, 2012 2:37:55 am Doug Barton wrote: > On 01/03/2012 14:14, John Baldwin wrote: > > On Wednesday, August 03, 2011 3:55:17 am Doug Barton wrote: > >> On 08/02/2011 15:06, John Baldwin wrote: > >>> On Saturday, July 30, 2011 2:49:52 am Andriy Gapon wrote: > >>>> on 19/07/2011 18:16 John Baldwin said the following: > >>>>> Hmm, can you get devinfo -r output from a working kernel with ichwd loaded? > >>>>> You might be able to just build the kernel with 'nooptions NEW_PCIB'. > >>>> > >>>> I believe that I've got a similar problem with amdsbwd(4). > >>>> It needs some resources (I/O ports) that belong to ACPI. > >>>> The problem is that the driver attaches to isa bus which is under > >>>> isab->pci->pcib and those particular resources are not assigned to the Host-PCI > >>>> bridge. > >>>> > >>>> I think that you already made a suggestion that perhaps isa bus should directly > >>>> attach to acpi bus when acpi is available. Not sure if there are any > >>>> alternative approaches. > >>> > >>> Can you try this: > >> > >> Not so much. :) the first and last patches I can apply to HEAD by hand, > >> but /sys/dev/acpica/acpi_pcib_acpi.c is only 387 lines long, so I'm not > >> even sure where to start. > >> > >> Any chance you could diff against HEAD? > > > > I believe this should be fixed (well, worked-around) by my most recent commit > > to sys/dev/acpica/acpi_pcib_acpi.c in HEAD. > > Funny you should ask. :) I saw that, and took a look. I'm getting the > following error, from a verbose dmesg: > > isab0: found ICH10 or equivalent chipset: Intel ICH10DO watchdog timer > ichwd0: <Intel ICH10DO watchdog timer> on isa0 > isab0: found ICH10 or equivalent chipset: Intel ICH10DO watchdog timer > pcib0: allocated type 4 (0x830-0x837) for rid 0 of ichwd0 > pcib0: allocated type 4 (0x860-0x87f) for rid 1 of ichwd0 > ichwd0: ICH WDT present but disabled in BIOS or hardware > device_attach: ichwd0 attach returned 6 > > That's different than the error message I got before, but watchdogd > still fails. I didn't have a chance to check the BIOS settings until > today, and there is no entry for anything even closely resembling this. > The only things I actually have disabled are the parallel port, and the > "Dell Trusted Platform Module," neither of which I can imagine would be > relevant. > > I'm happy to provide more info. Does it operate fully with NEW_PCIB disabled entirely, or do you get this same message in that case? -- John Baldwin
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