FreeBSD on kvm

Fri Jan 6 17:58:41 UTC 2012

On 01/06/2012 06:28 PM, Damien Fleuriot wrote:
>
> On 1/6/12 6:20 PM, Alessandro Baggi wrote:
>> On 01/06/2012 06:12 PM, Damien Fleuriot wrote:
>>> On 1/6/12 5:50 PM, Alessandro Baggi wrote:
>>>> On 01/06/2012 05:40 PM, Damien Fleuriot wrote:
>>>>> On 1/6/12 4:18 PM, Alessandro Baggi wrote:
>>>>>> On 01/06/2012 12:50 PM, Damien Fleuriot wrote:
>>>>>>> On 1/6/12 11:43 AM, Alessandro Baggi wrote:
>>>>>>>> Hi list,
>>>>>>>> i've a problem running freebsd as a guest on linux+kvm. The only
>>>>>>>> problem
>>>>>>>> is that sometimes, when I boot the system it dies and this happens
>>>>>>>> also
>>>>>>>> if I run the vm with and without -nographic option. Using the qemu
>>>>>>>> GUI I
>>>>>>>> can see the it stops on the boot loader menu after the countdown
>>>>>>>> and the
>>>>>>>> only mode to resume the system is reboot the vm. I've reduced the
>>>>>>>> autoboot delay to 1 without no result.
>>>>>>>>
>>>>>>>>
>>>>>>>> Someone know something about this problem?
>>>>>>>>
>>>>>>>> Thanks in advance.
>>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>>
>>>>>>> This is exactly how to *not* ask a question.
>>>>>>> Please take the time to read this very informative article:
>>>>>>> http://www.catb.org/~esr/faqs/smart-questions.html#beprecise
>>>>>>>
>>>>>>>
>>>>>>> For instance, you've omitted important information such as:
>>>>>>>
>>>>>>> - linux version
>>>>>>> - qemu version
>>>>>>> - freebsd version
>>>>>>> - freebsd error message when "it dies", if any
>>>>>>> - KVM configuration options (disk mode and such)
>>>>>>>
>>>>>>>
>>>>>>> We've been running FreeBSD 7 then 8 as a guest in Debian linux/KVM
>>>>>>> for
>>>>>>> over 3 years now for our pre-production environment and are very
>>>>>>> happy
>>>>>>> with it.
>>>>>>>
>>>>>>> Please post some more details, that we might be able to actually
>>>>>>> help.
>>>>>>> _______________________________________________
>>>>>>> freebsd-questions at freebsd.org  mailing list
>>>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>>>>>> To unsubscribe, send any mail
>>>>>>> to"freebsd-questions-unsubscribe at freebsd.org"
>>>>>>>
>>>>>> True, I'm sorry, too few informations.
>>>>>>
>>>>>> The host system is Slackware64 Linux 13.37
>>>>>> QEMU emulator version 0.14.0 (qemu-kvm-0.14.0), Copyright (c)
>>>>>> 2003-2008
>>>>>> Fabrice Bellard
>>>>>> FreeBSD 8.2-RELEASE-p3
>>>>>>
>>>>>>
>>>>>>
>>>>>> kvm option: /usr/bin/qemu-system-x86_64 -pidfile $PIDFILE -cpu host
>>>>>> -smp
>>>>>> $NCPU -m $MRAM -k $KB -enable-kvm -drive
>>>>>> file=$IMAGE,media=disk,index=0,cache=writeback -net
>>>>>> nic,model=$NICMODEL,macaddr=$MAC -net
>>>>>> tap,ifname=$TAP,script=no,downscript=no -runas $USER -monitor
>>>>>> unix:$SOCKET,server,nowait -nographic -daemonize
>>>>>>
>>>>>> There are not errors. When there is the countdown  it seems to die.For
>>>>>> example it stops to 9 seconds or 6 and stop (die) No boot line,
>>>>>> only the
>>>>>> boot loader menu blocked. To avoid this
>>>>>> I want say that freebsd work very well under kvm, the problem is
>>>>>> presented every 2/3 startup of this virtual machine.
>>>>>>
>>>>> What disk format do you use, with KVM ?
>>>>> QCOW2, RAW, VirtIO ?
>>>>>
>>>>> We're running with QCOW2 here, emulating IDE drives and we don't have
>>>>> any problem.
>>>>>
>>>>> _______________________________________________
>>>>> freebsd-questions at freebsd.org mailing list
>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>>>> To unsubscribe, send any mail to
>>>>> "freebsd-questions-unsubscribe at freebsd.org"
>>>>>
>>>> I'm using QCOW2.
>>>> For ide drives do you give -hda?
>>>>
>>>> Info: if I give Enter during the  countdown, it starts, if i leave the
>>>> countdown to finish, it crash.
>>>> But running with -nographic there isn't sense to give "enter"
>>>>
>>>> Leaving delay boot to 10 sec, always block. Set delay boot to 1, it give
>>>> me some "crash".
>>>> There is a possibility to run directly the system instead print the
>>>> menu? I must install lilo/grub?
>>>>
>>>> Thanks in advance.
>>> QEMU emulator version 0.15.0 (qemu-kvm-devel), Copyright (c) 2003-2008
>>> Fabrice Bellard
>>>
>>>
>>> Find below the resulting command-line used to run a typical FreeBSD KVM
>>> from our Proxmox interface:
>>>
>>> /usr/bin/kvm -monitor unix:/var/run/qemu-server/141.mon,server,nowait
>>> -vnc unix:/var/run/qemu-server/141.vnc,password -pidfile
>>> /var/run/qemu-server/141.pid -daemonize -usbdevice tablet -name
>>> yournamehere -smp sockets=2,cores=2 -nodefaults -boot menu=on -vga
>>> cirrus -tdf -k fr -drive
>>> file=/var/lib/vz/images/141/vm-141-disk-1.qcow2,if=ide,index=0 -m 512
>>> -netdev
>>> type=tap,id=vlan18d0,ifname=tap141i18d0,script=/var/lib/qemu-server/bridge-vlan
>>>
>>> -device e1000,romfile=,mac=9E:6C:42:78:98:E2,netdev=vlan18d0 -netdev
>>> type=tap,id=vlan730d0,ifname=tap141i730d0,script=/var/lib/qemu-server/bridge-vlan
>>>
>>> -device e1000,romfile=,mac=E6:BA:DA:56:C9:66,netdev=vlan730d0 -netdev
>>> type=tap,id=vlan731d0,ifname=tap141i731d0,script=/var/lib/qemu-server/bridge-vlan
>>>
>>> -device e1000,romfile=,mac=8E:B5:8F:30:F2:C1,netdev=vlan731d0 -id 141
>>> -cpuunits 1000
>>>
>>> Also find below the contents of the config file for the guest:
>>> ->   cat /etc/qemu-server/141.conf
>>> name: [snip]
>>> bootdisk: virtio0
>>> ostype: other
>>> memory: 512
>>> onboot: 1
>>> sockets: 2
>>> ide0: local:141/vm-141-disk-1.qcow2
>>> vlan18: e1000=9E:6C:42:78:98:E2
>>> cores: 2
>>> vlan730: e1000=E6:BA:DA:56:C9:66
>>> vlan731: e1000=8E:B5:8F:30:F2:C1
>>>
>>> Do not pay attention to "bootdisk: virtio0", we use "ide0" for other
>>> FreeBSD KVMs just as well.
>>>
>>>
>>> I'm beginning to think your VM might be crashing while/because it's
>>> actually probing for other devices.
>>>
>>> What's the full list of devices you have attached to your VM ?
>>>
>>>
>>>
>>> Do we have any boot stages expert on the list ?
>>> _______________________________________________
>>> freebsd-questions at freebsd.org mailing list
>>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>> To unsubscribe, send any mail to
>>> "freebsd-questions-unsubscribe at freebsd.org"
>>>
>> This is all that I've included:
>>
>> /usr/bin/qemu-system-x86_64 -pidfile $PIDFILE -cpu host -smp
>> $NCPU -m $MRAM -k $KB -enable-kvm -drive
>> file=$IMAGE,media=disk,index=0,cache=writeback -net
>> nic,model=$NICMODEL,macaddr=$MAC -net
>> tap,ifname=$TAP,script=no,downscript=no -runas $USER -monitor
>> unix:$SOCKET,server,nowait -nographic -daemonize
>>
>> I run the vm with this command..
>>
>> I repeat, the problem is strange because it dies on the menu countdown
>> before start, not during the real boot...
>>
>>
>> Thanks in advance
>>
> That's my point.
>
> I'm starting to think the loader is probing for devices during this
> early boot stage, and dies.
>
>
> Can you report the output from "ps aufx | grep kvm" for this particular VM ?
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe at freebsd.org"
>
This is the ps for the process of this specified vm. It has stopped on 6 
sec.

kvm      14733  8.3  6.4 1204904 1066328 pts/3 Sl+  18:22   2:26  
|               \_ /usr/bin/qemu-system-x86_64 -pidfile 
/var/tmp/kvm/freebsd.pid -cpu host -smp 1 -m 1024M -k it -enable-kvm 
-drive 
file=/mnt/mirrored/qemu-system/FREEBSD/freebsd.img,media=disk,index=0,cache=writeback 
-net nic,model=rtl8139,macaddr=52:54:00:12:34:58 -net 
tap,ifname=tap2,script=no,downscript=no -runas kvm -monitor 
unix:/mnt/mirrored/qemu-system/socktmp/freebsd.sock,server,nowait