Thanks,

After running for awhile vcpus=1 hangs as well.  There
are no errors in any of the logs.

I've tried using xen in the interim and it all works: 1 cpu, 1+cpu,
and hvm.  I guess I'll just stick with that until kvm is working
on intel i7.  My machine is a Gateway FX6801-01 in case that 
helps.

thanks
Chandra

On Tue, 2009-10-27 at 13:45 +0000, Dustin Kirkland wrote:
> Marking low, since this happens with vcpus>1.  Workaround is to use just
> one vcpu.
> 
> I'll try to reproduce.
> 
> :-Dustin
> 
> ** Changed in: kvm (Ubuntu)
>    Importance: Undecided => Low
> 
> -- 
> guest with vcpus>1 hangs; >1 guest at a time, hangs one of them; hard hang -- 
> must virsh destroy.  thanks.
> https://bugs.launchpad.net/bugs/455901
> You received this bug notification because you are a direct subscriber
> of the bug.
> 
> Status in “kvm” package in Ubuntu: New
> 
> Bug description:
> Binary package hint: kvm
> 
> I got a new intel i7 (950) and installed Ubuntu 9.04 and kvm-84
> on it.  I use this same config for a bunch of other machines
> and it works fine.  All my other machines are core2/xeon boxes
> though.  All are 64bit.
> 
> I try to run guestVM from an image that works on another box.
> If I set vcpus in the config to 1 the guest starts.  Otherwise
> it hangs during boot after the lines:
> ...
> [    1.349990] Uniform CD-ROM driver Revision: 3.20
> [    1.350080] sr 1:0:0:0: Attached scsi generic sg1 type 5
> [    1.350264] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [    1.350264] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [    1.350264] uhci_hcd: USB Universal Host Controller Interface driver
> [    1.350264] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
> [    1.350264] uhci_hcd 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 
> (level, high) -> IRQ 11
> [    1.350264] uhci_hcd 0000:00:01.2: UHCI Host Controller
> [    1.350264] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus 
> number 1
> [    1.350264] uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c020
> [    1.359995] usb usb1: configuration #1 chosen from 1 choice
> [    1.360018] hub 1-0:1.0: USB hub found
> [    1.360018] hub 1-0:1.0: 2 ports detected
> [    1.360020] PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 
> irq 1,12
> [    1.360020] serio: i8042 KBD port at 0x60,0x64 irq 1
> [    1.360020] serio: i8042 AUX port at 0x60,0x64 irq 12
> <hang's hard here -- I can only leave the console and do a virsh destroy to 
> kill>
> 
> If I set vcpus=1 then guest starts fine.
> If I start another guest, the first one hangs hard.
> During either of these cases there is no information/error in syslog.
> I do see "kvm: 10933: cpu0 unhandled wrmsr: 0xc0010117 data 0" during
> boot but other users/bug reports say that thisis fixed or doesn't
> cause a problem.
> 
> My system info is below:
> version info:
> QEMU PC emulator version 0.9.1 (kvm-84), Copyright (c) 2003-2008 Fabrice 
> Bellard
> 
> guest kernel info:
> Linux appscale-image 2.6.28-13-server #45-Ubuntu SMP Tue Jun 30 22:56:18 UTC 
> 2009 x86_64 GNU/Linux
> 
> host cpu:
> model name  : Intel(R) Core(TM) i7 CPU         950  @ 3.07GHz
> cpu family  : 6
> cpu MHz     : 3065.952
> cpu cores   : 4
> cpuid level : 11
> 
> host unix (ubuntu):
> lsb_release -a
> No LSB modules are available.
> Distributor ID:   Ubuntu
> Description:   Ubuntu 9.04
> Release: 9.04
> Codename:   jaunty
> 
> host kernel info:
> Linux eagles 2.6.28-15-server #52-Ubuntu SMP Wed Sep 9 11:34:09 UTC 2009 
> x86_64 GNU/Linux
> 
> kvm:
>   Installed: 1:84+dfsg-0ubuntu12.3
>   Candidate: 1:84+dfsg-0ubuntu12.3
>   Version table:
>  *** 1:84+dfsg-0ubuntu12.3 0
>         500 http://us.archive.ubuntu.com jaunty-updates/main Packages
>         100 /var/lib/dpkg/status
>      1:84+dfsg-0ubuntu11 0
>         500 http://us.archive.ubuntu.com jaunty/main Packages
> qemu:
>   Installed: 0.10.0-1ubuntu1
>   Candidate: 0.10.0-1ubuntu1
>   Version table:
>  *** 0.10.0-1ubuntu1 0
>         500 http://us.archive.ubuntu.com jaunty/universe Packages
>         100 /var/lib/dpkg/status
> 
> 
> kvm config file:
> <domain type='kvm'>
>   <name>XXX</name>
>   <uuid>XXX-ed3d-ff3c-11ad-c85f81c77b58</uuid>
>   <memory>2097152</memory>
>   <currentMemory>2097152</currentMemory>
>   <vcpu>2</vcpu>
>   <os>
>     <type arch='x86_64' machine='pc'>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/kvm</emulator>
>     <disk type='file' device='disk'>
>       <source file='/local/kvm/images/test.qcow2'/>
>       <target dev='hda' bus='ide'/>
>     </disk>
>     <interface type='bridge'>
>       <mac address='XX:XX:XX:XX:XX:XX'/>
>       <source bridge='br0'/>
>       <model type='virtio'/>
>     </interface>
>     <serial type='pty'>
>       <source path='/dev/pts/2'/>
>       <target port='0'/>
>     </serial>
>     <console type='pty' tty='/dev/pts/2'>
>       <source path='/dev/pts/2'/>
>       <target port='0'/>
>     </console>
>     <input type='mouse' bus='ps2'/>
>     <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'/>
>   </devices>
> </domain>
> 
> thanks.
> 
> ProblemType: Bug
> Architecture: amd64
> DistroRelease: Ubuntu 9.04
> KvmCmdLine:
>  UID        PID  PPID  C    SZ   RSS PSR STIME TTY          TIME CMD
>  root     10933     1  0 555893 350892 0 08:12 ?        00:00:32 /usr/bin/kvm 
> -S -M pc -m 2048 -smp 1 -name cs263-appscale -uuid 
> 04844aaa-ed3d-ff3c-11ad-c85f81c77b58 -monitor pty -pidfile 
> /var/run/libvirt/qemu//cs263-appscale.pid -boot c -drive 
> file=/local/kvm/images/appscale1.2/cs263-appscale/disk0.qcow2,if=ide,index=0,boot=on
>  -net nic,macaddr=52:54:01:30:00:0c,vlan=0,model=virtio -net 
> tap,fd=18,script=,vlan=0,ifname=vnet1 -serial pty -parallel none -usb -vnc 
> 127.0.0.1:1
> MachineType: Gateway FX6801
> Package: kvm 1:84+dfsg-0ubuntu12.3
> ProcCmdLine: root=UUID=7bce9000-5b8d-43f4-90f5-6801c6c51943 ro max_loop=255
> ProcEnviron:
>  PATH=(custom, no user)
>  LANG=en_US.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.28-15.52-server
> SourcePackage: kvm
-- 
*****************************************************************
Chandra Krintz                   http://www.cs.ucsb.edu/~ckrintz/
Associate Professor              ckri...@cs.ucsb.edu

University of California         Harold Frank Hall I, Rm. 2153
Department of Computer Science   Phone: (805) 893-3960
Santa Barbara, CA 93106-5110     Fax: (805) 893-8553
RACELab:  Research on Adaptive
Compilation Environments         http://www.cs.ucsb.edu/~racelab
******************************************************************

-- 
guest with vcpus>1 hangs; >1 guest at a time, hangs one of them; hard hang -- 
must virsh destroy.  thanks.
https://bugs.launchpad.net/bugs/455901
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