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Date:      Thu, 20 Nov 2003 14:30:16 -0500 (EST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Tomi Vainio - Sun Finland <Tomi.Vainio@Sun.COM>
Cc:        freebsd-current@freebsd.org
Subject:   RE: Current SMP with ACPI dies in a second
Message-ID:  <XFMail.20031120143016.jhb@FreeBSD.org>
In-Reply-To: <16315.62475.522688.704618@ultrahot.finland.sun.com>

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On 19-Nov-2003 Tomi Vainio - Sun Finland wrote:
> Tomi Vainio writes:
>  > My old MSI-6120 SMP system has been unusable quite a while with ACPI.
>  > I've got these so far:
>  >  - Couldn't get vector from ISR
>  >  - vmstat -i shows high interrupt rates and system is very slow
>  >  - kernel trap 12 panic
>  > 
>  > Latest problem is something like this:
>  > pfs_vncache_unload(): 2 entries remaining
>  > current process = 27 (irq17: fxp0)
>  > kernel trap 12
>  > stray irq20
>  > 
>  > Kernel config, dmesg, acpidump, etc. files available at
>  > http://tomppa.iki.fi/~tomppa/FreeBSD/
>  > 
> With latest source cvsupped 15 minutes ago system don't panic anymore
> but it's still unusable with acpi because of too high interrupt rate
> from acpi device.
> 
> vmstat -i
> interrupt                          total       rate
> irq1: atkbd0                         291          1
> irq0: clk                          28360         99
> irq6: fdc0                             5          0
> irq8: rtc                          36303        127
> irq12: psm0                          942          3
> irq14: ata0                           10          0
> irq15: ata1                           49          0
> irq16: ahc0 ahc1                    7788         27
> irq17: fxp0                         2886         10
> irq19: uhci0 bktr0                 31336        110
> irq20: acpi0                    11614583      40896
> irq9: intpm0                        1376          4
> Total                           11723929      41281
> 
>   Tomppa

Ok, your BIOS is buggy, but I think I can work around it.
http://www.FreeBSD.org/~jhb/patches/acpi_irq.patch

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/



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