Re: [Xen-users] (pv)hvm, upstream qemu 1.7.1

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

Anthony, Stefano: Any idea what this issue is?

On Fri, 2014-04-11 at 21:44 +0200, Jacek Konieczny wrote:
> Hi,
> 
> I wanted to try running a PVHVM linux VM under Xen 4.4.0, using upstream
> qemu 1.7.1.
> 
> I have prepared a system image, which I can successfully run in the
> following modes:
> - PV
> â PVH (using fixes from Xen 4.4 git branch to prevent Xen lock-up on the
>   domU shutdown)
> - PVHVM, using device_model_version="qemu-xen-traditional"
> 
> What does not work is (PV)HVM with device_model_version="qemu-xen". My
> Xen is compiled with '--with-system-qemu=...' and uses the system
> qemu-system-x86_64 binary, which is qemu 1.7.1.
> 
> This is supposed to work, according to
> http://wiki.xen.org/wiki/QEMU_Upstream.
> 
> The domain won't start. Or, rather, it crashes/reboots immediately (I
> have stopped this with the 'on_reboot/on_crash' settings).
> There is little interesting in the logs, except the one error in 'xl
> dmesg':
> 
> (XEN) io.c:204:d58 MMIO emulation failed @ 0008:ffff34d1: 10 89 f9 1e 04
> 83 ff ff 06 02
> 
> 
> The config file ('pvhtest.cfg'):
> 
> memory = 256
> vcpus = 1
> name = "pvhtest"
> vif = [ 'mac=02:00:0f:ff:00:1E, bridge=xenbr0']
> disk = [ 'phy:/dev/vg/pvhtest,hda,w' ]
> #bootloader = 'pygrub'
> #pvh = 1
> builder = 'hvm'
> xen_platform_pci=1
> boot="c"
> paused = 1
> pae=1
> acpi=1
> apic=1
> stdvga=0
> vnc=1
> vncdisplay=1
> vncpasswd="dupa"
> serial='pty'
> on_poweroff = 'destroy'
> on_reboot   = 'preserve'
> on_crash    = 'preserve'
> device_model_version="qemu-xen"
> 
> The start command:
> 
> # xl -v create pvhtest.cfg
> Parsing config from pvhtest.cfg
> libxl: detail: libxl_dom.c:195:numa_place_domain: NUMA placement
> candidate with 1 nodes, 4 cpus and 14117 KB free selected
> xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x9ef68
> xc: detail: elf_parse_binary: memory: 0x100000 -> 0x19ef68
> xc: detail: VIRTUAL MEMORY ARRANGEMENT:
>   Loader:        0000000000100000->000000000019ef68
>   Modules:       0000000000000000->0000000000000000
>   TOTAL:         0000000000000000->000000000f800000
>   ENTRY ADDRESS: 0000000000100620
> xc: detail: PHYSICAL MEMORY ALLOCATION:
>   4KB PAGES: 0x0000000000000200
>   2MB PAGES: 0x000000000000007b
>   1GB PAGES: 0x0000000000000000
> xc: detail: elf_load_binary: phdr 0 at 0x7fd78ab46000 -> 0x7fd78abdbded
> 
> logs:
> 
> qemu-dm-pvhtest.log:
> 
> char device redirected to /dev/pts/4 (label serial0)
> 
> xl-pvhtest.log:
> 
> Waiting for domain pvhtest (domid 59) to die [pid 4914]
> Domain 59 has shut down, reason code 1 0x1
> Action for shutdown reason code 1 is preserve
> Done. Exiting now
> 
> xl dmesg:
> 
> (XEN) io.c:204:d58 MMIO emulation failed @ 0008:ffff34d1: 10 89 f9 1e 04
> 83 ff ff 06 02
> 
> 
> What is going wrong here? How do I debug that?
> 
> Greets,
>       Jacek
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users



_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users