Re: [ANNOUNCE] kvm-52 release

Farkas Levente
2007-11-12T20:18:36Z

david ahern wrote:
> Can you post the full qemu command that gets launched in each case?

this is the current running one, the only difference when smp set is -smp 4:

root 3270 10.3 25.8 2213976 2111868 ? Sl 16:20 30:35
/usr/bin/qemu-kvm -M pc -m 2048 -smp 1 -monitor pty -boot c -hda
/dev/VolGroup00/centos-i386-root -hdb /dev/VolGroup00/centos-i386-swap
-hdc /dev/md2 -net nic,macaddr=00:16:3e:58:66:7b,vlan=0 -net
tap,fd=11,script=,vlan=0 -usb -vnc 127.0.0.1:0

root 3299 0.7 6.6 636024 540116 ? Sl 16:20 2:19
/usr/bin/qemu-kvm -M pc -m 512 -smp 1 -monitor pty -boot c -hda
/dev/VolGroup00/centos-x86_64-root -hdb
/dev/VolGroup00/centos-x86_64-swap -net
nic,macaddr=00:16:3e:2e:99:e2,vlan=0 -net tap,fd=14,script=,vlan=0 -usb
-vnc 127.0.0.1:1

root 3459 0.4 5.0 639940 410684 ? Sl 16:21 1:23
/usr/bin/qemu-kvm -M pc -m 512 -smp 1 -monitor pty -boot c -hda
/dev/VolGroup00/mandrake-root -hdb /dev/VolGroup00/mandrake-swap -net
nic,macaddr=00:16:3e:37:68:fd,vlan=0 -net tap,fd=18,script=,vlan=0 -usb
-vnc 127.0.0.1:2

> david
>
>
> Farkas Levente wrote:
>> 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'>
>>
>> <target dev='hda'/>
>> </disk>
>> <disk type='block' device='disk'>
>>
>> <target dev='hdb'/>
>> </disk>
>> <disk type='block' device='disk'>
>>
>> <target dev='hdc'/>
>> </disk>
>> <!--
>> <disk type='block' device='cdrom'>
>>
>> <target dev='hdcd?'/>
>> <readonly/>
>> </disk>
>> -->
>> <interface type='bridge'>
>> <mac address='00:16:3e:58:66:7b'/>
>>
>> </interface>
>>
>> <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'>
>>
>> <target dev='hda'/>
>> </disk>
>> <disk type='block' device='disk'>
>>
>> <target dev='hdb'/>
>> </disk>
>> <interface type='bridge'>
>> <mac address='00:16:3e:2e:99:e2'/>
>>
>> </interface>
>>
>> <graphics type='vnc' port='-1' listen='127.0.0.1'/>
>> </devices>
>> </domain>
>> -------------------------------------------------------------
>>
>>

--
Levente "Si vis pacem para bellum!"