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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