kvm-45 problems

[Farkas Levente <lfarkas-lWVWdrzSO4GHXe+LvDLADg@public.gmane.org>]

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hi,
i'm just try kvm-45. for me it still unusable, so switch back to kvm-36:-(
setup:
- host: centos-5 x86-64 (4 core, 8gb ram)
- guest:
  - centos-5 i386   4 cpu, 2gb
  - centos-5 x86-64 4 cpu, 1gb
  - mandrake-9 i586 2 cpu, 1gb
  - winxp 32bit            1gb
the problems:
after start the above setup none of the guest be able to boot until
login screen (except winxp?:-( i attached the guest's virt-manager
screenshots. the worse thing comes when i try to stop the guests.
virt-manager crash. after that i try to kill qemu-kvm's but it was
simple not possible!:-(
---------------------------------
Ignoring de-assert INIT to vcpu 0
Ignoring de-assert INIT to vcpu 1
vcpu 1 received sipi with vector # 10
vcpu 2 received sipi with vector # 10
vcpu 3 received sipi with vector # 10
kvm: emulating exchange as write
vcpu 1 received sipi with vector # 3
vcpu 2 received sipi with vector # 3
vcpu 3 received sipi with vector # 3
vcpu 1 received sipi with vector # 10
vcpu 2 received sipi with vector # 10
vcpu 3 received sipi with vector # 10
vcpu 1 received sipi with vector # 10
vcpu 1 received sipi with vector # 6
vcpu 2 received sipi with vector # 6
vcpu 3 received sipi with vector # 6
---------------------------------
in the host dmesg:
---------------------------------
Ignoring de-assert INIT to vcpu 1
SIPI to vcpu 1 vector 0x06
vcpu 1 received sipi with vector # 6
SIPI to vcpu 1 vector 0x06
Ignoring de-assert INIT to vcpu 2
SIPI to vcpu 2 vector 0x06
vcpu 2 received sipi with vector # 6
SIPI to vcpu 2 vector 0x06
Ignoring de-assert INIT to vcpu 3
SIPI to vcpu 3 vector 0x06
vcpu 3 received sipi with vector # 6
SIPI to vcpu 3 vector 0x06
---------------------------------
so try to reboot, but the host crash during the shutdown (i've no
screenshot of this and the important part are scrolled up), so reset:-(
on the host console:
the strange thing that after i reboot and replace all guest to 1 cpu all
of the guests boot except the centos-i386 which also hang (may be
because this is the only guest which has 2gb ram assigned?) but i still
not able to login to them (except winxp), ie. after boot neither from
console nor from remote i can't connect it's looks like guests are
frozen, but there is nothing on the host console or log files.
so i revert to kvm-36 which working with 1cpu/guest.
my real question i do something wrong or just no one use more cpu and
more guest on such and old kernel as centos's 2.6.18-8.1.14.el5:-( or my
hardware are so strange?

-- 
  Levente                               "Si vis pacem para bellum!"

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