On Thu, 2006-02-23 at 14:31 -0600, Dan Koehler wrote: > I have been researching this topic for quite some time, and would > appreciate any help that members of this list can give. I have a > Gigabyte GA-2CEWH motherboard, with dual Opteron 244 processors on > it. I can install FC4 and FC5T2 and get them to boot fine, off of a > SATA drive connected to the NVIDIA SATA controller on the > motherboard. I also have an ARECA 1120 PCI-X RAID SATA controller > plugged into a PCI-X slot on this motherboard. I cannot get access > to the RAID array that is connected to this card, no matter what I > try. Yes, the card is installed properly, and its BIOS is > installed. I have successfully compiled the ARECA driver from ARECA, > and installed the module using insmod. > The problem seems to be because this motherboard has multiple PCI > domains. When I look at the dmesg output, I see that the latest > kernels detect all 3 PCI root buses on the motherboard, but then > there is a message of "PCI Multiple Domains Not Supported" after > their detection. After much research, it appeared that multiple PCI > domains were supported in the latest -mm patch to the stable kernel > from kernel.org, so I tried building a custom kernel with that patch > applied (So I now have kernel 2.6.16-rc4-mm1). I can boot the > kernel, but I get the same problem...multiple PCI domains are not > supported. Does anyone know the status of this? Is it possible to > use a PCI-X RAID card on a motherboard with multiple PCI domains, or > is this just not implemented yet? I have tried all of the other > recommendations that I have heard about, like using the following > kernel parameters (one at a time): > > PCI=NOACPI => results in kernel panic > ACPI=OFF => Lots of timeout errors, can't boot > PCI=NOROUTEIRQ => Boots ok, but still can't access ARECA card > > I cannot turn off the PCI bus partitioning in the BIOS for this > motherboard, so that is not an option. I have an nVidia GeForce > 6600GT PCI Express video card, and that works fine (if that means > anything). If someone could provide me some insight into how to get > the ARECA RAID card accessible to Fedora Core 4 (or 5) I would > appreciate it greatly. If there are any more questions about my > setup, I can answer them...I know I just gave an overview of it here. > > Dan Koehler > I had a very similar problem with my Tyan Thunder K8WE (Opteron/nVidia chipset/PCI-X). With newer kernels, the kernel simply refused to detect the PCI-X root device. I started playing with the BIOS and solved the problems. I suggest you read this: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174973 Gilboa
