[Bug 229824] Fatal trap 1 when resuming from S3 with a VirtualBox VM running

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229824

            Bug ID: 229824
           Summary: Fatal trap 1 when resuming from S3 with a VirtualBox
                    VM running
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: aliovx at gmail.com

Not sure if this a FreeBSD bug or a vboxdrv bug, but I'm reporting it here
anyway. 

When I have a VM running under Virtualbox, then I go S3, on resume the system
starts okay, but just before switching back to X from tty, vboxdrv causes a
trap error, and the system drops the following messages:


Fatal trap 1: privileged instruction fault while In kernel mode 
cpuid = 3: apic id = 03
instruction pointer   = 0x20:13xffffffff8317a114 
stack pointer         = 0x28:Oxfffffe009708b430 
frame pointer         = 0x28:Oxfffffe009708b450 
code segment          = base 0x0, limit Oxfffff, type Ox1b 
                      = DPL 0, pres 1, long 1, def32 0, gran 1 
processor eflags      = interrupt enabled, resume, IOPL = 0 
current process       = 48053 (VirtualBox) 
[ thread pid 40053 tid 181884 ]
Stopped at __stop_set_sgsuninit_set+0xd4c4: vmptrld (%rsp) 
db> bt 
Tracing pid 40053 tid 101804 td Oxfffff8001f317580 
__stop_set_sysuninit_set0 at __stop_set_sysuninit_set+8xd4c4/frame
Oxfffffe0097813b458 
__stop_set_sysininit_set() at __stop_set_sysuninit_set+Oxcdbd/frame
OxffiffeE189708b480 
__stop_set_sysminit_set() at Oxffffffff831935f4/frame Oxfffffe009708b500 
supdrvIOCtIFast() at supdrvIOCtlFast+Ox9c/frame Oxfffffe009708b520 
VBoxDrvFreeBSDCtl() at VBoxDrvFreeBSDCtl+0x4e/frame Oxfffffe009708b590 
devfs_ioctl() at devfs_ioctl+Oxad/frame Oxfffffe009708b5e0 
VOP_IOCTL__APV() at VOP_IOCTL_APV+0x82/frame Oxfffffe0097086610 
vn_ioctl() at vn_ioctl+Oxla4/frame Oxfffffe009708b720 
devfs_ioctl_f() at devfs_ioctl_f+Ox1f/frame Oxfffffe009708b740 
kern_ioctl() at kernjoct1+0x26d/frame Oxfffffe009708b7b0 
sys_ioctl() at sys_ioctl+8x15a/frame Oxfffffe009708b880 
amd64_syscall() at amd64_syscall+0x369/frame Oxfffffe009708b9b0 
fast_syscall_common() at fast_syscall_common+8x101/frame 0xfffffe0097813b9b0 
syscall (54, FreeBSD ELF64, sys_ioctl), rip = Ox800571eaa, rsp =
Bx7fffdeaeee38. rbp = 0x7fffdeaee..
db>

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