kernel panic at kern/arch/x86/trap.c:541, from core 3:   rcx  0xffffffffc8667ec8
Double fault!  Check the kernel stack pointer; you likely ran off the end of the stack.  rdx  0x0000001dd2fd3d10
  rbp  0xfffffff000073fd8
Stack Backtrace on Core 3:
  rsi  0x0000000000000003
#01 [<0xffffffffc200a3b7>] in backtrace at src/kdebug.c:219
  rdi  0xffffffffc8667ec0
#02 [<0xffffffffc2009b7c>] in _panic at src/init.c:266
  r8   0x0000000000000000
#03 [<0xffffffffc20aa253>] in handle_double_fault at arch/x86/trap.c:541
  r9   0xffffffffc8667fb8
  r10  0x0000000000000078
  r11  0xffffffffc8667f78
  r12  0xffff80000217aae0
  r13  0x0000000000000002
  r14  0x0000000000000000
  r15  0x0000000000000002
  trap 0x00000008 Double Fault
ROS(Core 3)>   gsbs 0xffffffffc8667ec0
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc209f2c1
  cs   0x------------0008
  flag 0x0000000000010246
  rsp  0xfffffff000073fd8
  ss   0x------------0010
Backtrace of kernel context on Core 2:
#01 [<0xffffffffc209f2c1>] in cpu_halt at arch/x86/idle.c:20
#02 [<0xffffffffc205442a>] in __smp_idle at src/smp.c:84
kernel panic at kern/arch/x86/trap.c:541, from core 2: Double fault!  Check the kernel stack pointer; you likely ran off the end of the stack.
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a3b7>] in backtrace at src/kdebug.c:219
#02 [<0xffffffffc2009b7c>] in _panic at src/init.c:266
#03 [<0xffffffffc20aa253>] in handle_double_fault at arch/x86/trap.c:541