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Date:      Sat, 20 Nov 2004 00:58:50 +0200
From:      Ruslan Ermilov <ru@FreeBSD.org>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        acpi@FreeBSD.org
Subject:   Re: New ACPI PCI Link Routing code
Message-ID:  <20041119225850.GA49744@ip.net.ua>
In-Reply-To: <200411191559.46209.jhb@FreeBSD.org>
References:  <200411111737.00537.jhb@FreeBSD.org> <20041118001947.GA53060@ip.net.ua> <20041118084627.GA72018@ip.net.ua> <200411191559.46209.jhb@FreeBSD.org>

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On Fri, Nov 19, 2004 at 03:59:46PM -0500, John Baldwin wrote:
> On Thursday 18 November 2004 03:46 am, Ruslan Ermilov wrote:
> > On Thu, Nov 18, 2004 at 02:19:47AM +0200, Ruslan Ermilov wrote:
> > > On Wed, Nov 17, 2004 at 05:44:53PM -0500, John Baldwin wrote:
> > > [...]
> > >
> > > > Erm, unless I've got a logic bug I don't run the KASSERT() for zero
> > > > interrupts.  Oh darn, I left a bogus KASSERT() in in the function t=
hat
> > > > does the actual routing.  The assertion's on lines 497 and 511 can =
be
> > > > dropped. I'll update the patch in a second.
> > >
> > > With an updated patch, I no longer get panic on boot, and there
> > > are no more interrupt storms, but the latter is probably at the
> > > cost of old bug re-introduced.  My dc(4) PCCard doesn't get a
> > > correct IRQ, "dc0: watchdog timeout".
> >
> > I've put a verbose boot output here, as requested:
> >
> > 	http://people.freebsd.org/~ru/dmesg.boot
>=20
> Looks like it hung everything off of IRQ 9 since the BIOS didn't preset a=
ny=20
> device IRQs.  What was the behavior prior to this patch?
>=20
 	http://people.freebsd.org/~ru/dmesg.boot2

The system is dead slow due to interrupt storm in IRQ 10,
but at least dc(4) works.

# vmstat -i
interrupt                          total       rate
irq0: clk                         353566        993
irq1: atkbd0                        1134          3
irq6: fdc0                            22          0
irq8: rtc                          45394        127
irq9: acpi0                          648          1
irq10: cbb1 dc0                 28202293      79219
irq11: cbb0 csa0                  689545       1936
irq12: psm0                         1161          3
irq13: npx0                            1          0
irq14: ata0                         1939          5
irq15: ata1                           52          0
Total                           29295755      82291


Cheers,
--=20
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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