Debugging APIC problem (R5.2.1 vt-8235 ata failure no interrupt), need help

John Baldwin jhb at FreeBSD.org
Thu Jul 1 21:22:22 PDT 2004


On Friday 02 July 2004 12:02 am, Jiafu He wrote:
> John Baldwin <jhb at FreeBSD.org> wrote:
>
> On Thursday 01 July 2004 10:12 pm, Jiafu He wrote:
> > Hi, folks,
> >
> > Rel 5.2.1 can't be installed on my machine due to APIC problems. The
> > error message is like "ata0-master: FAILURE - ATA_IDENTIFY no interrupt".
> > It is a Soyo motherboard "SY-P4VGA" with VIA VT-8235 south bridge.
> >
> > Debugging results using DDB ("show intrcnt") show no interrupts ever
> > occur. Disable the APIC feature on BIOS, then the disk is detected and
> > everything works fine. Installing release 5.1 and 4.10 both work perfect.
> > So I guess there must be problems with the APIC or IO APIC initialization
> > code in release 5.2.1.
>
> Do you have a dmesg output with APIC enabled?
>
> I can see it on my monitor, However I can't even have my disk attached, do
> I have a way to save it anywhere? :( If you want a dmesg from R5.1, I can
> send it to you.
>
> Jiafu

Do you have a serial console?

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


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