kernel panic at kern/src/mm.c:737, from core 2: [kernel] Unknown mbox type 370929646! assertion failed: !pte_is_mapped(pte)[kernel] Unknown mbox type 370929646! Stack Backtrace on Core 2: #01 [<0xffffffffc200a3e7>] in backtrace at src/kdebug.c:219 #02 [<0xffffffffc2009bb2>] in _panic at src/init.c:273 #03 [<0xffffffffc200dbd3>] in map_page_at_addr at src/mm.c:737 #04 [<0xffffffffc200dc22>] in populate_anon_va at src/mm.c:770 #05 [<0xffffffffc200fc92>] in populate_va at src/mm.c:1333 #06 [<0xffffffffc2056380>] in sys_populate_va at src/syscall.c:1773 #07 [<0xffffffffc20593c9>] in syscall at src/syscall.c:2528 #08 [<0xffffffffc2059584>] in run_local_syscall at src/syscall.c:2563 #09 [<0xffffffffc2059ab9>] in prep_syscalls at src/syscall.c:2583 #10 [<0xffffffffc20ab29a>] in sysenter_callwrapper at arch/x86/trap.c:851