Re: Intel RAID Controller SRCU42X in SGI Altix 350

[Robert Nagy]

I've tried that with two different cards. Now the error is different.
Even the firmware boots on the controller but then the machine resets.
Same thing happens if I load the EFI driver but that drops me to the debugger.
More info can be found at http://pastebin.ca/75652

megaraid cmm: 2.20.2.6 (Release Date: Mon Mar 7 00:01:03 EST 2005)
megaraid: 2.20.4.8 (Release Date: Mon Apr 11 12:27:22 EST 2006)
megaraid: probe new device 0x1000:0x0407:0x8086:0x0532: bus 2:slot 0:func 0
ACPI: PCI Interrupt 0002:02:00.0[A]: no GSI
megaraid mailbox: wait for FW to boot [ok]
Entered OS MCA handler. PSP=20000000fff21120 cpu=0 monarch=1
All OS MCA slaves have reached rendezvous

2006/6/29, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>:
> On Thursday, June 29, 2006 12:12 pm, Robert Nagy wrote:
> > I've tried the diff but there is no difference.
> > I've also tried to use the EFI driver from Intel, but that did not
> > work either.
>
> I've just been informed that megaraid has command ring addressing
> limitations, so you may not be able to use this card in PCI-X mode at
> all, at least on your Altix.  You can force it into PCI mode by putting
> an old PCI device in the same bus though, I think, that might get things
> working (without my patch).
>
> Jesse
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