VirtualBox 4.1.22 on FreeBSD 9.0-RELEASE problem: VBoxHeadless eats 100% CPU

[Marek Salwerowicz]

W dniu 2012-11-16 16:22, Alex Chistyakov pisze:
> Hello,
>
> My system is an amd64 box running FreeBSD 9.0-RELEASE on top of ZFS.
> I try to setup a VirtualBox VM from an Ubuntu 12.04 Server
> installation CD in a headless mode using VNC.
> Top shows that VBoxHeadless process consumes 100% CPU almost all the
> time and it takes forever to boot from the CD image:
>
>    PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
>   1652 vbox         19  22    0   358M   170M IPRT S  3   7:18 100.00%
> VBoxHeadless
>
> I get lots of repeating "ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0
> },0x0) = 0 (0x0)" lines every time I try to run truss on the running
> VBoxHeadless process, like this:
>
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
> ioctl(7,0x200056c1 { IO 0x56('V'), 193, 0 },0x0) = 0 (0x0)
>
> and it looks like this system call prevails in truss stats:
>
> [root at ci ~]# wc -l truss.vbox.log
>   1174962 truss.vbox.log
> [root at ci ~]# cat truss.vbox.log | grep 'ioctl(7,0x200056c1' | wc -l
>   1013997
> [root at ci ~]#
>
> FD 7 is /dev/vboxdrv0, does this indicate a problem in communicating
> with a kernel VirtualBox driver?
> What should I do to resolve this situation?
Could you write down the VBoxManage commands you use to create the VM ?
And post the VBoxManage showvminfo VM_NAME output.
What is your hardware?


-- 
Marek Salwerowicz