Re: sys/1386/i386/mptable.c rev 1.239 breaks boot.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Thu, 3 Feb 2005 13:30:57 -0500
On Monday 31 January 2005 07:01 am, Ian FREISLICH wrote:
> Hi
>
> I have a dual pII machine that doesn't boot with 1.239 of
> sys/1386/i386/mptable.c.  It boots with this patch backed out.
> Does anyone have any ideas beyond backing out this patch?
>
> revision 1.239
> date: 2005/01/18 20:27:24;  author: jhb;  state: Exp;  lines: +7 -1
> If a valid ELCR was found, consult it for the trigger mode of ISA
> interrupts that have a trigger mode of conforming.  This fixes problems on
> some older machines that still route PCI devices via ISA interrupts when
> using an I/O APIC.
>
> This seems to be a case of breaking, rather than fixing older
> machines.  It's highly reproduceable.  I mailed the author of this
> commit over a week ago, but have not had a response yet :(.  This
> is definitely a show-stopper, for me at least.

It did fix other boxes. :(  Can you provide a verbose dmesg?

-- 
John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
Received on Thu Feb 03 2005 - 20:27:22 UTC

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