kernel panic at kern/src/mm.c:759, from core 3: assertion failed: !pte_is_mapped(pte) Stack Backtrace on Core 3: #01 [<0xffffffffc200a39c>] in backtrace at src/kdebug.c:235 #02 [<0xffffffffc2009b35>] in _panic at src/init.c:268 #03 [<0xffffffffc200d9e3>] in map_page_at_addr at src/mm.c:759 #04 [<0xffffffffc200da32>] in populate_anon_va at src/mm.c:795 #05 [<0xffffffffc200faa2>] in populate_va at src/mm.c:1377 #06 [<0xffffffffc2056e00>] in sys_populate_va at src/syscall.c:1748 #07 [<0xffffffffc2059a29>] in syscall at src/syscall.c:2560 #08 [<0xffffffffc205a5d8>] in run_local_syscall at src/syscall.c:2597 #09 [<0xffffffffc205ab19>] in prep_syscalls at src/syscall.c:2617 #10 [<0xffffffffc20ac432>] in sysenter_callwrapper at arch/x86/trap.c:877