On Fri, Jan 02, 2009 at 08:44:44AM +0200, Pasi Kärkkäinen wrote:
> On Thu, Jan 01, 2009 at 08:36:33AM +1100, Jeremy Fitzhardinge wrote:
> > Pasi Kärkkäinen wrote:
> > >On Tue, Dec 30, 2008 at 08:18:45PM +0200, Pasi Kärkkäinen wrote:
> > >
> > >>On Tue, Dec 30, 2008 at 06:52:11PM +0200, Pasi Kärkkäinen wrote:
> > >>
> > >>>On Tue, Dec 30, 2008 at 11:47:40AM -0500, Todd Deshane wrote:
> > >>>
> > >>>>On Tue, Dec 30, 2008 at 11:28 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> > >>>>
> > >>>>>>>Try changing the SATA mode of the disk in the BIOS to either legacy
> > >>>>>>>or
> > >>>>>>>ATA, depending
> > >>>>>>>on what you bios supports.
> > >>>>>>>
> > >>>>>>>There is still a known issue with some of the AHCI stuff.
> > >>>>>>>
> > >>>>>>>
> > >>>>>>I'm not using AHCI at all.. AHCI (SATA) controller does not have any
> > >>>>>>disks
> > >>>>>>plugged in.
> > >>>>>>
> > >>>>>>My (only) disk is attached to IDE/PATA ICH6 controller..
> > >>>>>>
> > >>>>>>
> > >>>>>I tried disabling AHCI anyway (even when I'm not using the AHCI SATA
> > >>>>>controller), but it didn't help.
> > >>>>>
> > >>>>>Booting the pv_ops dom0 kernel still fails.. because the IDE/PATA
> > >>>>>controller
> > >>>>>still gets disabled (just like in the logs above) for some unknown
> > >>>>>reason.
> > >>>>>
> > >>>>>-- Pasi
> > >>>>>
> > >>>>So from the log it looks like you are getting a hard crash?
> > >>>>
> > >>>>
> > >>>No, it's not a hard crash.. I'm able to reboot the box with
> > >>>ctrl-alt-del.
> > >>>
> > >>>>Did you try adding noreboot to the xen command line and then trying
> > >>>>to get any more information with sysreq stuff?
> > >>>>
> > >>>>Another thing that I noticed in the log is:
> > >>>>
> > >>>>irq 12: nobody cared (try booting with the "irqpoll" option)
> > >>>>
> > >>>>Is it an smp kernel? I had some weird problems when passing nosmp at
> > >>>>one point.
> > >>>>
> > >>>>
> > >>>Yep, it is SMP kernel..
> > >>>
> > >>>
> > >>>>I don't recognize this crash, those module traces, at least for me were
> > >>>>non-fatal and didn't cause a crash. I was normally just dropped to a
> > >>>>initramfs prompt in the case when the disk was not detected properly.
> > >>>>
> > >>>>I was then able to at least look around and check that modules were
> > >>>>loaded correctly etc.
> > >>>>
> > >>>>
> > >>>The problem seems to be the IDE controller/disk is not detected at all..
> > >>>because the device gets disabled for some reason during ata_piix
> > >>>loading/probing..
> > >>>
> > >>>That is the only disk I have, so the root partition is on it.
> > >>>
> > >>>Same kernel works just fine on baremetal without Xen.
> > >>>
> > >>>
> > >>So I guess the subject should be 'failure with ata_piix' instead of
> > >>'crash'..
> > >>Anyway, there seems to be problems with ata_piix too.. in addition to
> > >>AHCI.
> > >>
> > >>Jeremy: Can you think of anything to try?
> > >>
> > >>
> > >
> > >I tried booting with "nosmp" dom0 kernel parameter:
> > >
> >
> > Yes, nosmp is known to make things worse. It has the side-effect of
> > disabling io_apic support, so all the interrupt stuff fails in the way
> > you've noticed.
> >
>
> Yep. "nosmp" was just something I tried to see if it makes any difference.
> It didn't help.
>
> Anyway, have you seen/heard of this problem with ata_piix earlier?
>
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-1.txt
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-2.txt
>
> Same kernel on baremetal without Xen:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/baremetal-dmesg.txt
>
I just upgraded to newly released Xen 3.3.1 hypervisor but unfortunately it
didn't seem to help with my problem.. I still get the exact same errors with
ata_piix module:
http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-4-xen331.txt
xen_allocate_pirq: returning irq 30 for gsi 18
xen_set_ioapic_routing: irq 30 gsi 18 vector 160 ioapic 0 pin 18 triggering 0
polarity 1
ata_piix 0000:00:1f.1: PCI INT A -> GSI 18 (level, low) -> IRQ 30
xen: PCI device 0000:00:1f.1 pin 1 -> irq 30
xen: disable pci device 0000:00:1f.1
ata_piix: probe of 0000:00:1f.1 failed with error -38
-- Pasi
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