Bhyve - Host kernel panic after running 'kldload vmm'

[Neel Natu]

Hi,

On Wed, Jul 18, 2012 at 11:17 AM, sree.openwrk <sree.openwrk at gmail.com> wrote:
> Hey Neel
> Thanks for the immediate reply.
> I found that the BIOS did not have vm-x and vt-d enabled and luckily
> enabling them fixed the issue.
> Now I am able to load the vmm module and its not throwing any error as of
> now.
>

Also fixed in the projects/bhyve now:
http://svnweb.freebsd.org/base?view=revision&revision=238758

best
Neel

> Thanks
>
>
> On Tue, Jul 17, 2012 at 10:07 PM, Neel Natu <neelnatu at gmail.com> wrote:
>>
>> Hi,
>>
>> On Tue, Jul 17, 2012 at 9:12 PM, s vas <sree.openwrk at gmail.com> wrote:
>> > Hi
>> > I have a kernel panic when loading bhyve hypervisor kernel module.
>> > These are the steps I followed
>> > 1. First I installed Freebsd 9 on my machine which has Intel-x86_64 and
>> > 8Gb
>> > Ram
>> > 2.  The following output from dmesg.boot confirm that vmx is enabled in
>> > the
>> > machine.
>> > PU: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz (2394.06-MHz
>> > K8-class
>> > CPU)
>> >   Origin = "GenuineIntel"  Id = 0x20655  Family = 6  Model = 25
>> > Stepping =
>> > 5
>> >
>> >
>> > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>> >
>> >
>> > Features2=0x29ae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,AESNI>
>> >   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
>> >   AMD Features2=0x1<LAHF>
>> >   TSC: P-state invariant, performance statistics
>> >
>> > 3. Then I checked out the latest code from svn://
>> > svn.freebsd.org/base/projects/bhyve/
>> >     a) I built world and kernel
>> >     b) Followed the steps in
>> > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
>> > (25.7.1
>> > The Canonical Way to Update Your System) to install the new kernel and
>> > to
>> > install the new world.
>> >     c) Rebooted to the newly built kernel.
>> > 4. I wanted to give 4gb to the host kernel and the remaining memory for
>> > the
>> > guest. So I set hw.physmem to "0x100000000".
>> > 5. Rebooted the host so that hw.physmem takes effect (Following
>> > http://people.freebsd.org/~neel/bhyve/bhyve_instructions.txt)
>> >     a) This is the sysctl output
>> >        sysctl -a | grep hw.physmem
>> >        hw.physmem: 3185545216
>> >        cat /boot/loader.conf
>> >        hw.physmem="0x100000000"
>> > 6. Then executed 'kldload vmm'. Got kernel panic with the following
>> > trace
>> >
>> > -----
>> > #0 - #8 is panic related call trace....
>> > ........
>>
>> Could you provide the stack frames above vmx_enable()?
>>
>> It is unclear from the subset of stack frames provided here as to what
>> the cause of the panic is.
>>
>> best
>> Neel
>>
>> > #9  0xffffffff8189b91f in vmx_enable (arg=Variable "arg" is not
>> > available.
>> > ) at vmx_cpufunc.h:65
>> > #10 0xffffffff808b9e5d in smp_rendezvous_action ()
>> >     at /media/fbsd_part2/bhyve/bhyve/
>> > sys/kern/subr_smp.c:381
>> > #11 0xffffffff80b5f0c5 in Xrendezvous () at apic_vector.S:342
>> > #12 0xffffffff80b58e86 in acpi_cpu_c1 ()
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/amd64/acpica/acpi_machdep.c:97
>> > #13 0xffffffff803467ce in acpi_cpu_idle ()
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/dev/acpica/acpi_cpu.c:967
>> > #14 0xffffffff80b622b5 in cpu_idle_acpi (busy=Variable "busy" is not
>> > available.
>> > )
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/amd64/amd64/machdep.c:689
>> > #15 0xffffffff80b64ab8 in cpu_idle (busy=0)
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/amd64/amd64/machdep.c:843
>> > #16 0xffffffff8089ed21 in sched_idletd (dummy=Variable "dummy" is not
>> > available.
>> > )
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/kern/sched_ule.c:2583
>> > #17 0xffffffff80846835 in fork_exit (
>> >     callout=0xffffffff8089eae0 <sched_idletd>, arg=0x0,
>> >     frame=0xffffff800023cc40)
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/kern/kern_fork.c:992
>> > #18 0xffffffff80b5e55e in fork_trampoline ()
>> >     at /media/fbsd_part2/bhyve/bhyve/sys/amd64/amd64/exception.S:602
>> >
>> > I am attaching herewith the text core as well as the info. Can someone
>> > tell
>> > me whats happening?
>> >
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>