kernel panic at kern/src/ns/tree_file.c:880, from core 2: assertion failed: tree_file_is_dir(new_parent) Stack Backtrace on Core 2: #01 [<0xffffffffc200a3ec>] in backtrace at src/kdebug.c:235 #02 [<0xffffffffc2009b85>] in _panic at src/init.c:268 #03 [<0xffffffffc2044183>] in tree_file_rename at src/ns/tree_file.c:880 #04 [<0xffffffffc2044317>] in tree_chan_rename at src/ns/tree_file.c:980 #05 [<0xffffffffc2033938>] in __namec_from at src/ns/chan.c:1331 #06 [<0xffffffffc2034343>] in namec at src/ns/chan.c:1560 #07 [<0xffffffffc203e331>] in sysrename at src/ns/sysfile.c:889 #08 [<0xffffffffc2056c62>] in sys_rename at src/syscall.c:2391 #09 [<0xffffffffc2059e69>] in syscall at src/syscall.c:2575 #10 [<0xffffffffc205aa18>] in run_local_syscall at src/syscall.c:2612 #11 [<0xffffffffc205af59>] in prep_syscalls at src/syscall.c:2632 #12 [<0xffffffffc20ac842>] in sysenter_callwrapper at arch/x86/trap.c:877