amr driver not working in SMP / apic

[John Baldwin]

On Thursday 01 September 2005 03:36 am, Heiko Weber wrote:
> Hello,
>
> I have a Fujitsu Siemens TX200 S2 (2x Xeon on board) with a LSI MegaRAID
> 320-0X. I configured a RAID 5 disk array - but the problem dont go away if
> I configure no raid (only physical drives).
>
> If I boot GENERIC with "apic" enabled in the kernel the amr driver
> responses
>
> amr0: adapter is busy
>
> three times, then the system hangs. If I disable "apic" the system boots as
> expected, the logical drive could be used for installation. The amr driver
> prints two lines about the size of the logical drive instead.
>
> I installed the system in "safe mode", everything works as expected. But if
> I enable "apic", the "busy" comes up. I tried building a new SMP kernel,
> same as above: using a "one line" empty loader.conf with disabled apic
> makes the system running. I tried some combinations of acpi, apic, ata-dma,
> .... (the system only has a ata cdrom). No chance, only disabled apic get
> it up.
>
> I tried FreeBSD 5.4-stable. I also downloaded a (unsupported) driver from
> LSI webserver, this prints the size of the logical array, but hangs too. I
> then compared the native 5.4 driver with the -current, only one cosmetic
> changes. So I expect testing -CURRENT has no effect ?
>
> Is it worth to spend time on this? Is it a bug?

What happens if you disable ACPI but leave APIC enabled, does amr still break?  
Also, does 4.x work ok on this system with SMP and APIC_IO?

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