FreeBSD 9.1 guest kernel panic

[joe.k at bendtel.com]

On Tuesday, March 19, 2013 6:50:22 PM kaltheat at googlemail.com wrote:
> Hi,
> 
> I'm using virtualbox-ose-4.2.6 on FreeBSD 9.1-RELEASE amd64 and I'm trying
> to run FreeBSD 9.1-RELEASE amd64 inside a VM. I'm having the following
> problem: Often the guest reboots due to kernel panic. When running a
> FreeBSD 9.1 guest first and then running the FreeBSD 9.1 VM I actually
> wanted to start, it works. I thought that there might be a problem with
> memory of host machine, but memtest86+ didn't find a problem. I used the
> FreeBSD x64 template to create both VMs.
> 
> Some hardware information of host:
> 
> hw.model: Intel(R) Core(TM)2 Duo CPU     T9400  @ 2.53GHz
> hw.realmem: 9596567552
> 
> This is shown in log, when VM panics:
> 
> 00:00:02.812606 Guest Log: BIOS: Boot : bseqnr=3, bootseq=0002
> 00:00:02.908317 Guest Log: BIOS: Booting from Hard Disk...
> 00:00:22.453662 PIT: mode=2 count=0x10000 (65536) - 18.20 Hz (ch=0)
> 00:00:26.344191 Reset initiated by ACPI
> 00:00:26.344258 Changing the VM state from 'RUNNING' to 'RESETTING'.
> 00:00:26.372430 CPUMSetGuestCpuIdFeature: Enabled APIC
> 00:00:26.372479 CPUMClearGuestCpuIdFeature: Disabled x2APIC
> 00:00:26.372531 PIT: mode=3 count=0x10000 (65536) - 18.20 Hz (ch=0)
> 00:00:26.377563 PIIX3 ATA: Ctl#0: finished processing RESET
> 00:00:26.377626 PIIX3 ATA: Ctl#1: finished processing RESET
> 00:00:26.378734 Changing the VM state from 'RESETTING' to 'RUNNING'.
> 
> 
> Do you have a hint?
> 
> Regards,
> kaltheat
> 
> 
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Is hardware virtualization enabled in your bios? Check for the vmx flag in the 
cpu flags in the dmesg on the host. That T9400 should have the capability 
enabled on the chip, but if your motherboard does not have it enabled in the 
bios, then the special sauce won't be available to VirtualBox.

My experience is that *BSD systems don't like running in VirtualBox without HW 
Virtualization features and tend to crash. 
-- 
Joe Kowalski