[Bug 200397] [bhyve] bhyve crashes in Linux KVM on AMD Host

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200397

            Bug ID: 200397
           Summary: [bhyve] bhyve crashes in Linux KVM on AMD Host
           Product: Base System
           Version: 10.1-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: freebsd-bugs at joe.mulloy.me

Created attachment 157052
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=157052&action=edit
Full Output from FreeBSD bhyve KVM Guest hypervisor

I setup a KVM guest on my AMD openSUSE 13.2 desktop to play around with bhyve
on CURRENT/STABLE. On the latest snapshots (20150520) for both 10.2-STABLE and
11-CURRENT bhyve crashes when I try to start a 10.1-RELEASE guest. It's
possible that there is some setting I can tweak on the VM to prevent the crash.
I'll attach the full output from the FreeBSD guest I'm trying to run bhyve on
as well as info about the Linux host system.

root at bhyve10:/usr/local/vmrc/vm/vm0 # /usr/sbin/bhyve -c 1 -m 1024 -A -H -s
0,hostbridge -s 2,ahci-hd,/usr/local/vmrc/vm//vm0/vm0.img -s
3:0,virtio-net,tap8000 -s 5,lpc -l com1,stdio vm0                               

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FreeBSD 10.1-RELEASE #0 r274401: Tue Nov 11 21:02:49 UTC 2014
    root at releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
CPU: AMD Phenom(tm) II X6 1090T Processor (3214.12-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x100fa0  Family = 0x10  Model = 0xa  Stepping
= 0
 
Features=0x1783ab7f<FPU,VME,DE,PSE,TSC,MSR,PAE,CX8,APIC,SEP,PGE,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x80802001<SSE3,CX16,POPCNT,HV>
  AMD Features=0xe6500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,LM,3DNow!+,3DNow!>
  AMD Features2=0x1f3<LAHF,CMP,CR8,ABM,SSE4A,MAS,Prefetch>
real memory  = 1073741824 (1024 MB)
avail memory = 1008115712 (961 MB)
vm exit[0]
        reason          SVM
        rip             0xffffffff80e392e8
        inst_length     0
        exitcode        0x400
        exitinfo1       0x4
        exitinfo2       0xfee000f0
Abort (core dumped)
root at bhyve10:/usr/local/vmrc/vm/vm0 #

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