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

[John Baldwin]

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?

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