Re: [Xen-devel] pv_ops dom0 kernel failure with ata_piix / irq problems

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Jan 22, 2009 at 12:23:26PM -0800, Jeremy Fitzhardinge wrote:
> Pasi Kärkkäinen wrote:
> >On Fri, Jan 09, 2009 at 09:01:59PM +0000, Andrew Lyon wrote:
> >  
> >>>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
> >>>      
> >>I don't think the problem is ata_piix, I've tried the pv_ops dom0
> >>kernel on a Dell Optiplex 755 and unbranded system with gigabyte
> >>motherboard, on both systems none of the storage devices worked,
> >>including ahci, ata_piix, I even tried putting the root filesystem on
> >>a usb storage device but that too is broken, I think interrupt routing
> >>is not working at all perhaps?
> >>
> >>I'm going to do more testing this weekend...
> >>
> >>    
> >
> >Hello.
> >
> >I just did some more testing too..
> >
> >I upgraded to the latest patches for Linux 2.6.29-rc1-tip
> >
> >log of xen+kernel from serial console:
> >http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-5-xen331-linux-2.6.29-rc1.txt
> >
> >(XEN) Command line: dom0_mem=1024M loglvl=all guest_loglvl=all 
> >com1=19200,8n1 console=com1
> >Kernel command line: ro root=/dev/vg00/lv01 console=hvc0 earlyprintk=xen 
> >pci=nomsi
> >
> >And the failing part of the log is here:
> >
> >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
> >Pid: 1, comm: swapper Not tainted 2.6.29-rc1-tip #3
> >  
> 
> That means that the ata-piix driver decided it was unhappy for some 
> reason, and decided to fali with ENODEV.  It would be very interesting 
> to know what part of the device probe failed.  From the Xen perspective, 
> it looks like everything went OK.
> 

I just did

#define ATA_DEBUG
#define ATA_VERBOSE_DEBUG
#define ATA_IRQ_TRAP

in include/linux/libata.h

and recompiling now.. let's see if that helps.

-- Pasi

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