Bhyve: panic: "Unregistered use of FPU in kernel" when starting guest

[sree.openwrk]

Hey Neel
Sure. I will reproduce the issue and try to narrow down the problem.
Will update you, if I am able to narrow down the problem.

Thanks

On Thu, Oct 4, 2012 at 9:07 PM, Neel Natu <neelnatu at gmail.com> wrote:

> Hi svas,
>
> On Thu, Oct 4, 2012 at 5:58 PM, sree.openwrk <sree.openwrk at gmail.com>
> wrote:
> > Hi
> > I am seeing frequent kernel panic when I try to run the guest OS. I have
> the
> > latest Freebsd (I compiled the latest code from
> > svn://svn.freebsd.org/base/projects/bhyve and installed it in my
> machine).
> > While trying to run the pre-built guest provided at
> > http://people.freebsd.org/~neel/bhyve/vm1.tar.gz I get the kernel panic
> > (panic: Unregistered use of FPU in kernel)
> > I am attaching the core.txt.
> > I also want to mention that I was successfully able to boot in to the
> guest
> > OS couple of times. But around 7/10 times I get thsi host kernel panic.
> >
> > stack trace:
> > vm_run() at vm_run+0xec
> > vmmdev_ioctl() at vmmdev_ioctl+0x4ea
> > devfs_ioctl_f() at devfs_ioctl_f+0x7a
> > kern_ioctl() at kern_ioctl+0xcd
> > sys_ioctl() at sys_ioctl+0xfd
> > amd64_syscall() at amd64_syscall+0x304
> > Xfast_syscall() at Xfast_syscall+0xf7
> >
>
> I am seeing this too but nowhere as frequently as you are. I hit this
> last night for the first time and not since.
>
> There hasn't been any change in this part of the code for quite some time
> now.
>
> Since you can trigger this much more frequently that me, would it be
> possible for you to narrow down which change caused this? It would be
> hugely helpful.
>
> best
> Neel
>
> >
> > regards
> > svas
> >
> >
>