[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] pv_ops dom0 kernel failure with ata_piix
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 -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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