Date: Fri, 16 Nov 2012 18:53:35 +0100 From: Marek Salwerowicz <marek_sal@wp.pl> To: Alex Chistyakov <alexclear@gmail.com> Cc: freebsd-emulation@freebsd.org Subject: Re: VirtualBox 4.1.22 on FreeBSD 9.0-RELEASE problem: VBoxHeadless eats 100% CPU Message-ID: <50A67D9F.8040505@wp.pl> In-Reply-To: <CA%2Bkq2xvYqbeodg6aL9QRuP%2BMi-b25CVdPUx4JEX9%2Be5Ri21qGg@mail.gmail.com> References: <CA%2Bkq2xvYqbeodg6aL9QRuP%2BMi-b25CVdPUx4JEX9%2Be5Ri21qGg@mail.gmail.com>
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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@ci ~]# wc -l truss.vbox.log
> 1174962 truss.vbox.log
> [root@ci ~]# cat truss.vbox.log | grep 'ioctl(7,0x200056c1' | wc -l
> 1013997
> [root@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
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