Date: Thu, 25 Oct 2012 20:16:58 -0700 From: Neel Natu <neelnatu@gmail.com> To: "sree.openwrk" <sree.openwrk@gmail.com> Cc: freebsd-virtualization@freebsd.org Subject: Re: Bhyve: panic: "Unregistered use of FPU in kernel" when starting guest Message-ID: <CAFgRE9GpJ8EXJ2GyTcnKeRd8VKmy5v0BfK_P2mHNnFkJQ_Ba0g@mail.gmail.com> In-Reply-To: <CADYnSLAHf01ZzEn7tQiR3dv2v63mDMj0B3=X5DDsbkS-dG46MQ@mail.gmail.com> References: <CADYnSLDW492JKvQXN0wTJzV6VdCF_ZxRg4OnaTxqKdWjGzQk_w@mail.gmail.com> <CAFgRE9Ec74HQ9TDs_BwmYwLCebZVg2tQbyxNxJfuvsSX1qQFhQ@mail.gmail.com> <CADYnSLAHf01ZzEn7tQiR3dv2v63mDMj0B3=X5DDsbkS-dG46MQ@mail.gmail.com>
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Hi svas, I just submitted a fix for this: http://svnweb.freebsd.org/base?view=revision&revision=242122 Please let me know if this fixes the panic you reported. best Neel On Sun, Oct 7, 2012 at 11:12 AM, sree.openwrk <sree.openwrk@gmail.com> wrote: > 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@gmail.com> wrote: >> >> Hi svas, >> >> On Thu, Oct 4, 2012 at 5:58 PM, sree.openwrk <sree.openwrk@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 >> > >> > > >
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