RE: [Xen-users] Re: ServeRAID 4Lx - Plain 2.6.12.6 works - Xen not

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> >> I try to install Xen 3.0.0 on a IBM x342 with a ServeRAID 4Lx 
> >> controller.
> >> The box boots with "plain" 2.6.12.6 (aic7xx- and serveraid-support 
> >> included). It does not with a similar configuration of 
> 2.6.12.6-xen0.
> > 
> > The 2.6.12.6-xen kernel has ServeRAID support. 
> 
> Correct. I guess, that I need AIC7XXX support as well (I've 
> attached both .configs).
> 
> > You just need to build an appropriate initrd
> 
> The vanilla kernel boots without initrd and detects the 
> ServeRAID controller "without" problems (ok - obviously 
> 2.6.12s ServeRAID driver is too new):

Your vanilla kernel obviously has serveraid compiled in. The -xen kernel has it 
as a module. You need an initrd.
 
> ips 0000:02:05.0: Warning ! ! ! ServeRAID Version Mismatch 
> ips 0000:02:05.0: Bios = 7.00.14, Firmware = 7.00.14, Device 
> Driver = 7.10.18 ips 0000:02:05.0: These levels should match 
> to avoid possible compatibility problems.
> scsi2 : IBM PCI ServeRAID 7.10.18  Build 731 <ServeRAID 4Lx>
> 
> > -- or follow the RPM install instructions.
> 
> I checked the troubleshooting tip
> 
> When running the multiple processor kernel, Linux has a 
> problem accessing controllers that are assigned IRQ 9 by the 
> system BIOS. To correct this problem, enter the system BIOS 
> and change the IRQ assigned to each controller.
>      
> but 
> 
> mehl:~# cat /proc/interrupts
>             CPU0
>    0:   67416450  local-APIC-edge  timer
>    1:         95    IO-APIC-edge  i8042
>    2:          0          XT-PIC  cascade
>   11:          0   IO-APIC-level  ohci_hcd:usb1
>   14:         13    IO-APIC-edge  ide0
>   24:      36036   IO-APIC-level  ips
>   26:         15   IO-APIC-level  aic7xxx
>   27:         15   IO-APIC-level  aic7xxx
>   28:      59989   IO-APIC-level  eth0
>  NMI:          0
>  LOC:   67417317
>  ERR:          0
>  MIS:          0
> 
> Generic SCSI support is enabled in both kernels, too.
> 
> Further hints?
> 
> by
> Töns
> --
> There is no safe distance.
> 

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