kernel panic at kern/src/mm.c:740, from core 1: assertion failed: !pte_is_mapped(pte) Stack Backtrace on Core 1: #01 [<0xffffffffc200a2dc>] in backtrace at src/kdebug.c:220 #02 [<0xffffffffc2009afd>] in _panic at src/init.c:268 #03 [<0xffffffffc200d9d3>] in map_page_at_addr at src/mm.c:740 #04 [<0xffffffffc200da22>] in populate_anon_va at src/mm.c:773 #05 [<0xffffffffc200fa92>] in populate_va at src/mm.c:1336 #06 [<0xffffffffc2056410>] in sys_populate_va at src/syscall.c:1773 #07 [<0xffffffffc2059459>] in syscall at src/syscall.c:2528 #08 [<0xffffffffc2059624>] in run_local_syscall at src/syscall.c:2563 #09 [<0xffffffffc2059b59>] in prep_syscalls at src/syscall.c:2583 #10 [<0xffffffffc20ab41a>] in sysenter_callwrapper at arch/x86/trap.c:854