Re: [Qemu-devel] [Xen-devel] Upstream QEMU and Xen unstable not working

[Ian Campbell <Ian.Campbell@eu.citrix.com>]

On Tue, 2011-07-19 at 03:53 +0100, Wei Liu wrote:
> On Mon, 2011-07-18 at 11:03 +0100, Ian Campbell wrote:
> > On Mon, 2011-07-18 at 10:51 +0100, Wei Liu wrote:
> > > Bug resend.
> > > 
> > > This bug was reported about one month ago. QEMU fails to start with
> > > Xen unstable. I found that it has not been fix with latest Xen
> > > unstable. BIOS is Seabios (with Xen patch).
> > 
> > Please use current mainline seabios.git -- it does not require any
> > additional patches.
> > 
> > http://wiki.xensource.com/xenwiki/QEMUUpstream also includes an updated
> > SeaBIOS .config which you might try.
> > 
> > Ian.
> > 
> 
> Thanks Ian. This bug is fixed. But I spot new bug with Stefano's
> xen-next QEMU.
> 
> ------mainline seabios with xen-next------
> (XEN) HVM7: HVM Loader
> (XEN) HVM7: Detected Xen v4.2-unstable
> (XEN) HVM7: Xenbus rings @0xfeffc000, event channel 2
> (XEN) HVM7: System requested SeaBIOS
> (XEN) HVM7: CPU speed is 2993 MHz
> (XEN) irq.c:264: Dom7 PCI link 0 changed 0 -> 5
> (XEN) HVM7: PCI-ISA link 0 routed to IRQ5
> (XEN) irq.c:264: Dom7 PCI link 1 changed 0 -> 10
> (XEN) HVM7: PCI-ISA link 1 routed to IRQ10
> (XEN) irq.c:264: Dom7 PCI link 2 changed 0 -> 11
> (XEN) HVM7: PCI-ISA link 2 routed to IRQ11
> (XEN) irq.c:264: Dom7 PCI link 3 changed 0 -> 5
> (XEN) HVM7: PCI-ISA link 3 routed to IRQ5
> (XEN) HVM7: *** HVMLoader assertion '(devfn != PCI_ISA_DEVFN) ||
> ((vendor_id == 0x8086) &&
> (XEN) HVM7:  (device_id == 0x7000))' failed at pci.c:78
> (XEN) HVM7: *** HVMLoader crashed.

Anthony posted a patch for this to qemu-devel a few weeks back, I think
it was "hw/piix_pci.c: Fix PIIX3-xen to initialize ids" (did I see a
pull request for it recently? If so then it might be in the main tree by
now...)

> If I use Anthony's old QEMU tree, qemu-dm-15, HVM boots up. But there
> are issues with irq binding.

I don't know about this one I'm afraid.

Ian.

> ------mainline seabios with qemu-dm-15------
> (XEN) irq.c:344: Dom6 callback via changed to Direct Vector 0xf3
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 8 already mapped
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 12 already mapped
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 1 already mapped
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 6 already mapped
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 4 already mapped
> (XEN) irq.c:1979: dom6: pirq 16 or emuirq 7 already mapped
> (XEN) event_channel.c:341:d6 EVTCHNOP failure: error -17
> (XEN) event_channel.c:341:d6 EVTCHNOP failure: error -17
> (XEN) event_channel.c:341:d6 EVTCHNOP failure: error -17
> (XEN) event_channel.c:341:d6 EVTCHNOP failure: error -17
> 
> 
> Wei.
> 
>