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Date:      Thu, 04 Nov 2004 14:23:51 -0800
From:      "Kevin Oberman" <oberman@es.net>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        freebsd-acpi@FreeBSD.org
Subject:   Re: ASUS P5A broken by ACPI black-list 
Message-ID:  <20041104222351.CA4B55D04@ptavv.es.net>
In-Reply-To: Your message of "Mon, 01 Nov 2004 17:48:25 EST." <200411011748.25052.jhb@FreeBSD.org> 

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> From: John Baldwin <jhb@FreeBSD.org>
> Date: Mon, 1 Nov 2004 17:48:25 -0500
> 
> On Wednesday 06 October 2004 01:20 pm, John Baldwin wrote:
> > On Tuesday 05 October 2004 04:32 pm, Kevin Oberman wrote:
> > > > From: John Baldwin <jhb@FreeBSD.org>
> > > > Date: Tue, 5 Oct 2004 12:09:44 -0400
> > > >
> > > > On Tuesday 05 October 2004 11:54 am, Kevin Oberman wrote:
> > > > > > From: John Baldwin <jhb@FreeBSD.org>
> > > > > > Date: Mon, 4 Oct 2004 15:57:30 -0400
> > > > > >
> > > > > > On Monday 04 October 2004 02:33 pm, Nate Lawson wrote:
> > > > > > > Kevin Oberman wrote:
> > > > > > > > It looks like interrupts from the Ethernet are not delivered
> > > > > > > > without ACPI, but that is hardly your problem. I have
> > > > > > > > over-ridden the black-list and things are back to normal.
> > > > > > >
> > > > > > > The reason this system works in Windows without ACPI is that irq
> > > > > > > routing in Windows uses multiple info sources including _PIR and
> > > > > > > $PIR. John Baldwin has patches to do this for us too.
> > > > > >
> > > > > > $PIR routing already works on FreeBSD and has worked for quite a
> > > > > > while. The patches I have are to make the acpi_pci_link code work
> > > > > > more like the $PIR code already does.  It doesn't change the ACPI
> > > > > > code to actually use $PIR or the MPTable though.  I can try to look
> > > > > > at why the ethernet device doesn't get interrupts correctly if you
> > > > > > can provide verbose ACPI and non-ACPI dmesgs to look at.
> > > > >
> > > > > I am attaching the files. I do see some oddities with the
> > > > > interrupts that I had not previously noted, but they seen to be
> > > > > linked to sound, not the Ethernet. And, for whatever it's worth,
> > > > > "vmstat -i" does not show my sound card, at all. dmesg indicates it
> > > > > should be on IRQ 6. interrupt                          total      
> > > > > rate
> > > > > irq0: clk                        4242251         99
> > > > > irq1: atkbd0                           3          0
> > > > > irq7: ppc0                             1          0
> > > > > irq8: rtc                        5430044        127
> > > > > irq10: xl0                         13699          0
> > > > > irq13: npx0                            1          0
> > > > > irq14: ata0                       166980          3
> > > > > irq15: ata1                          136          0
> > > > > Total                            9853115        232
> > > >
> > > > First, do you have a floppy drive?  IRQ 6 should be used for your
> > > > floppy drive if so.  Note that $PIR says that IRQ 6 is not an option
> > > > for your link devices but ACPI does.  In the non-APCI case we use IRQ
> > > > 10 for both xl0 and pcm0. Are you saying that in that case pcm0 works
> > > > but xl0 does not?
> > >
> > > The sound card works fine with ACPI but, without ACPI it fails. The
> > > first tone in the file plays continuously, like there are no interrupts
> > > from the sound card. :-)
> >
> > Ok, well, it seems your BIOS is too busted for non-ACPI to work out of the
> > box, you can try setting a hint to force the link for your sound card to
> > use IRQ 6.  Something like 'set hw.pci.link.0x4.irq=6', or maybe
> > 'hw.pci.link.0x04.irq' if that doesn't work.
> 
> Actually, the $PIR code won't let you use an invalid IRQ currently, but this 
> patch lets it do so.  I'm curious if you could try booting with this patch 
> with ACPI disabled and using an appropriate tunable (such as 
> 'hw.pci.link.0x4.irq=6') to route your links the way ACPI likes them routed.  
> If this does work, I'd like to try another patch as well that would help it 
> to work out-of-the-box for the non-ACPI case.  Thanks.

John,

I have not forgotten this, but remote testing when re-boots are required
is a bit difficult. My wife helped me a bit yesterday, but she is a
Solaris type and I need to step her through things command by command,
so it's a bit tedious.

I may get a chance to try again tonight, depending on when I get out of
the convention center tonight. (Today we installed all of the hardware
into the NOC... 2 big Juniper routers, a Force10 E1200, a Foundry
NetIron, and  bunch of Cisco 6509s. I think we have 8 or 9 10 Gig.
circuits coming inn this year. Lots of fiber patching!)
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634



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