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

[Wei Liu <liuw@liuw.name>]

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.

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

------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.