Re: [Xen-users] Re: xen 2.0/3.0 pb with SW-RAID

[Fred Blaise <chapeaurouge@xxxxxxxxx>]

On 10/14/05, Fred Blaise <chapeaurouge@xxxxxxxxx> wrote:
> On 10/14/05, Robbie Dinn <robbie@xxxxxxxxxxxx> wrote:
> > Hello Fred,
> > I have looked at your two dmesg outputs, from kernel-xen and kernel-smp.
> > There are two things that struck me.
> >
> > from the kernel-smp dmesg:
> >  > PDC20268: IDE controller at PCI slot 0000:06:05.0
> >  > PDC20268: chipset revision 2
> >  > PDC20268: ROM enabled at 0xfe8f8000
> >  > PDC20268: 100% native mode on irq 26
> >  >     ide2: BM-DMA at 0xc400-0xc407, BIOS settings: hde:pio, hdf:pio
> >  >     ide3: BM-DMA at 0xc408-0xc40f, BIOS settings: hdg:pio, hdh:pio
> >  > hde: ST3120026A, ATA DISK drive
> >  > hdf: ST3120026A, ATA DISK drive
> >  > ide2 at 0xcc00-0xcc07,0xc882 on irq 26
> >  > hdg: ST3120026A, ATA DISK drive
> >  > hdh: ST3120026A, ATA DISK drive
> >
> > This didn't seem to be in the kernel-xen dmesg output.
> > I wonder if you are missing the kernel module for the
> > PDC20268 harware?
> It wasn't configured. I recompiled the kernel with the pdc202xx_new
> built-in. I am waiting for a chance to reboot the server and test.
> Both old and new are enabled in my sles9 kernel config file.
That did the trick :-D
> >
> > Looking in /lib/modules/2.6.11.4-21.9-xen/kernel/drivers/ide/pci
> > on my machine, I see two candidates, pdc202xx_new.ko and pdc202xx_old.ko
> > I don't know which one of those would work. Do you have either of these
> > loaded (lsmod)? You might need to put one of these modules in your
> > initrd maybe.
> >
> > The other thing that struck me was the interrupts. The kernel-smp
> > seems to be using both ACPI and the IOAPIC hardware. The kernel-xen
> > doesn't seem to be doing that. Maybe the interrupt routing is broken
> > in the kernel-xen case. I am only speculating and I would not know
> > how to fix it in any case.
> >
> > Hope that helps.
> It does. Thanks.
> >
Thanks all for your help.

> fred
fred
>
>

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