kernel panic at kern/src/ns/chan.c:331, from core 2: cclose 0x0000000000000000 Stack Backtrace on Core 2: #01 [<0xffffffffc200a30c>] in backtrace at src/kdebug.c:220 #02 [<0xffffffffc2009b0d>] in _panic at src/init.c:268 #03 [<0xffffffffc203190a>] in cclose at src/ns/chan.c:331 #04 [<0xffffffffc20332e9>] in walk_symlink at src/ns/chan.c:1702 #05 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #06 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #07 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #08 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #09 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #10 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700 #11 [<0xffffffffc2032df2>] in walk at src/ns/chan.c:871 #12 [<0xffffffffc20334c9>] in __namec_from at src/ns/chan.c:1138 #13 [<0xffffffffc20340af>] in namec at src/ns/chan.c:1516 #14 [<0xffffffffc203d95d>] in sysunmount at src/ns/sysfile.c:559 #15 [<0xffffffffc2055c2d>] in sys_nunmount at src/syscall.c:2223 #16 [<0xffffffffc20594d9>] in syscall at src/syscall.c:2462 #17 [<0xffffffffc20596a4>] in run_local_syscall at src/syscall.c:2497 #18 [<0xffffffffc2059bd9>] in prep_syscalls at src/syscall.c:2517 #19 [<0xffffffffc20ab56a>] in sysenter_callwrapper at arch/x86/trap.c:854