kernel panic at kern/arch/x86/trap.c:540, from core 3: Double fault! Check the kernel stack pointer; you likely ran off the end of the stack. HW TRAP frame at 0xfffffff000020f40 on core 3 rax 0x000000000000003d rbx 0xffffffffc8668140 rcx 0xffffffffc8668148 rdx 0x0000002387032a77 rbp 0xfffffff0000cafd8 rsi 0x0000000000000003 rdi 0xffffffffc8668140 r8 0x0000000000000000 r9 0xffffffffc8668238 r10 0x0000000000000078 r11 0xffffffffc86681f8 r12 0xffff8000145afc60 r13 0x0000000000000003 r14 0x0000000000000000 r15 0x0000000000000003 trap 0x00000008 Double Fault gsbs 0xffffffffc8668140 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc209f6c1 cs 0x------------0008 flag 0x0000000000010246 rsp 0xfffffff0000cafd8 ss 0x------------0010 Backtrace of kernel context on Core 3: #01 [<0xffffffffc209f6c1>] in cpu_halt at arch/x86/idle.c:20 #02 [<0xffffffffc2054706>] in __smp_idle at src/smp.c:84 kernel panic at kern/arch/x86/trap.c:540, from core 2: Double fault! Check the kernel stack pointer; you likely ran off the end of the stack. HW TRAP frame at 0xfffffff000023f40 on core 2 rax 0x000000000000003d rbx 0xffffffffc8667ec0 rcx 0xffffffffc8667ec8 rdx 0x00000023870423bb rbp 0xfffffff000124fd8 rsi 0x0000000000000003 rdi 0xffffffffc8667ec0 r8 0x0000000000000000 r9 0xffffffffc8667fb8 r10 0x0000000000000078 r11 0xffffffffc8667f78 r12 0xffff8000145afc60 r13 0x0000000000000002 r14 0x0000000000000000 r15 0x0000000000000002 trap 0x00000008 Double Fault gsbs 0xffffffffc8667ec0 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc209f6c1 cs 0x------------0008 flag 0x0000000000010246 rsp 0xfffffff000124fd8 ss 0x------------0010 Backtrace of kernel context on Core 2: #01 [<0xffffffffc209f6c1>] in cpu_halt at arch/x86/idle.c:20 #02 [<0xffffffffc2054706>] in __smp_idle at src/smp.c:84