SATA RAID, tested again, blaming IRQs
Janina Sajka
janina at rednote.net
Wed Apr 7 03:09:30 UTC 2004
Does it matter what SATA RAID controller one gets? Or is all SATA RAID broken on FC2.
I ask because I'm currently building my first Opteron system.
Rio Baan writes:
>
> Tried applying some boot parameters to FC test2 on this hardware with built
> in SATA RAID.
> Boot params were: acpi=off, apm=off, pci=userpirqmask, pnpbios=no
>
> None worked.... on either SMP or single CPU kernel.
>
> What I DID notice was some funny goings on in the IRQs of the SATA drives.
>
> The SMP kernel automatically sets the IRQs for both drives on the RAID to
> 209 (and I don't believe that's valid)
> The single CPU kernel sets both IRQs to 9
>
> acpi, and apm off didn't really change anything
> pci=userpirqmask swapped the IRQs to 209 where it would have been 9.
>
> In either case, neither setting worked. 9 crashed the system outright. 209
> crashed the system, but the swirling dots during the grey init screen kept
> going.
>
> Here's my board's IRQ placements. I haven't tinkered with the boards
> default IRQ settings either. Seems like a lot of stuff is sitting on IRQ
> number9..... number9...... number9.....number9...........
>
> Bus# Dev# FNC# VendorID DeviceID Class IRQ
> 0 29 0 8086 24C2 Serial Bus
> 11
> 0 29 1 8086 24C4 Serial Bus
> 9
> 0 29 2 8086 24C7 Serial Bus
> 9
> 0 29 7 8086 24CD Serial Bus
> 9
> 0 31 1 8086 24CB IDE
> 14/15
> 0 31 5 8086 24C5 Multimedia device
> 5
> 1 0 0 1002 4E44 Display
> 11
> 2 1 0 134A 0002 Mass Storage
> 9
> 2 2 0 1102 0004 Multimedia device
> 9
> 2 2 1 1102 7003 Input dev.
> NA
> 2 2 2 1102 4001 Serial Bus
> 9
> 2 3 0 104C 8023 Serial Bus
> 5
> 2 4 0 1045 3112 Mass Storage
> 9
> 2 5 0 14E4 16A6 Network controller
> 9
>
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--
Janina Sajka, Director
Technology Research and Development
Governmental Relations Group
American Foundation for the Blind (AFB)
Email: janina at afb.net Phone: (202) 408-8175
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