[Xen-devel] test report for xen-unstable tree with upstream QEMU

["Ren, Yongjie" <yongjie.ren@xxxxxxxxx>]

Hi All,
We did some testing for Xen-unstable tree with upstream QEMU.
We covered basic guest booting up, power management, VT-d, SR-IOV features.
We found 4 new bugs which only exist in upstream QEMU not in qemu-xen.

We followed the below wiki page to use upstream QEMU.
http://wiki.xen.org/wiki/QEMU_Upstream

test tree:
xen-unstable-tree.hg: C/S 26193 (about 20 days ago)
qemu.git: commit e9bff10f8db (about 20 days ago)
Dom0: Linux 3.6.9 release version.

test machine:
Intel Westmere-EP and SandyBridge-EP systems.

new bugs (which don't exist with qemu-xen-unstable tree):
1. 'maxvcpus=NUM' item is not supported in upstream QEMU
  http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1837
  -- This blocked vCPU hot-plug for HVM guest.
2. Guest console hangs after save/restore or live-migration when setting 
'hpet=0' in guest config file
  http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1837
3. 'xen_platform_pci=0' setting cannot make the guest use emulated PCI devices 
by default
  http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1839
4. Guest free memory with upstream qemu is 14MB lower than that with 
qemu-xen-unstable.git
  http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1836
  -- This might not be a bug; we just curious to know what the additional 14MB 
memory is for.


Best Regards,
     Yongjie (Jay)


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