Izik Eidus wrote:
> On Mon, 2007-11-12 at 17:07 +0100, Farkas Levente wrote:
>> Izik Eidus wrote:
>>> On Mon, 2007-11-12 at 16:29 +0100, Farkas Levente wrote:
>>>> Avi Kivity wrote:
>>>>> Small fixes and updates.
>>>>>
>>>>> Changes from kvm-51:
>>>>> - fix efer reload host crash on T2600 and similar processors
>>>>> - revert sleepy interrupt injection
>>>>>    - fixes "Fault when IDT_Vectoring"
>>>>> - atomically inject real-mode interrupts
>>>>> - wbinvd exiting on newer Intel processors (Eddie Dong)
>>>>>    - fixes real-time issues
>>>>> - fix call/jmp instruction emulation (Izik Eidus)
>>>>>    - fixes Vista x64 installation
>>>>> - fix save/restore/migrate with multiple nics
>>>>> - fix build on i386 uniprocessor w/ no ioapic hosts
>>>>> - fix smp_call_function_single() emulation on older hosts
>>>>>    - fixes smp guests not booting on RHEL 5 hosts
>>>>> - make qemu/kvm memory allocation match plain qemu more closely (Izik 
>>>>> Eidus)
>>>>>    - fixes issues with large memory guests
>>>>> - libkvm compile fixes (Carlo Marcelo Arenas Belon, Jerone Young)
>>>> still not working for us, there is even a small regression.
>>> wow, what host kernel are you using?
>> see bellow:-)
>> are you think i manually create the screenshots?:-)?
>>
>>>> with smp:
>>>> - centos 32bit guest hang during boot at different places (see screenshot).
>>> work for me (2.6.23.1)
>> there is no such kernel for redhat/centos! we use a clean upstream fully
>> updated centos (ie. the kernel actually 2.6.18-8.1.15:-)
>>
> 
> ok this is hard to catch, i tried to use centos 5 kernel 2.6.18-8.el5 
> and ran smp guest, (centos5 64 and winxp32) and it worked for me
> you have any idea what i can do to make my system look more like your?
> what could be diffrent?

first of all fully update your centos (a bit newer kernel), then i use
these packages:
http://www.lfarkas.org/linux/packages/centos/5/x86_64/
use libvirtd and virt-manager too and start the guests from there. and
start them manually paralell (i used to reboot the host when i update
kvm, the start virt-manager and start each guests). anyway may be a
newer processor generate the same result as ours.
or if you can send me any kind of debug kvm version i can run it which
can print any additional debug messages etc...

i can just repeat my setup:
- host:
  - Intel(R) Core(TM)2 Quad CPU Q6600  @ 2.40GHz
  - Intel S3000AHV
  - 8GB RAM
  - CentOS-5
  - kernel-2.6.18-8.1.15.el5 x86_64 64bit
- guest-1:
  - CentOS-5
  - kernel-2.6.18-8.1.15.el5 i386 32bit
- guest-2:
  - CentOS-5
  - kernel-2.6.18-8.1.15.el5 x86_64 64bit

packages on the host:
# rpm -qa|egrep "virt|vnc|kvm"|sort
gtk-vnc-0.2.0-4
gtk-vnc-python-0.2.0-4
kmod-kvm-52-1.2.6.18_8.1.15.el5
kvm-52-1
libvirt-0.3.3-2
libvirt-python-0.3.3-2
python-virtinst-0.300.1-3
virt-manager-0.5.2-2
virt-top-0.3.2.8-1
virt-viewer-0.0.2-2
vnc-4.1.2-9.el5

the two guest config in libvirtd are the following:
devel-i386.xml:
-------------------------------------------------------------
<domain type='kvm'>
  <name>devel-i386</name>
  <uuid>dee4ab98-363c-649f-4a02-fef25b17756b</uuid>
  <memory>2097152</memory>
  <currentMemory>2097152</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='block' device='disk'>
      <source dev='/dev/VolGroup00/centos-i386-root'/>
      <target dev='hda'/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/VolGroup00/centos-i386-swap'/>
      <target dev='hdb'/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/md2'/>
      <target dev='hdc'/>
    </disk>
<!--
    <disk type='block' device='cdrom'>
      <source dev='/dev/hda'/>
      <target dev='hdcd?'/>
      <readonly/>
    </disk>
-->
    <interface type='bridge'>
      <mac address='00:16:3e:58:66:7b'/>
      <source bridge='eth0'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1' listen='127.0.0.1'/>
  </devices>
</domain>
-------------------------------------------------------------
devel-x86-64.xml:
-------------------------------------------------------------
<domain type='kvm'>
  <name>devel-x86-64</name>
  <uuid>9436bef1-aef9-2f5c-21cf-123e300fcd27</uuid>
  <memory>524288</memory>
  <currentMemory>524288</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='block' device='disk'>
      <source dev='/dev/VolGroup00/centos-x86_64-root'/>
      <target dev='hda'/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/VolGroup00/centos-x86_64-swap'/>
      <target dev='hdb'/>
    </disk>
    <interface type='bridge'>
      <mac address='00:16:3e:2e:99:e2'/>
      <source bridge='eth0'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1' listen='127.0.0.1'/>
  </devices>
</domain>
-------------------------------------------------------------


-- 
  Levente                               "Si vis pacem para bellum!"

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