kernel panic at kern/src/ns/chan.c:334, from core 1: cclose 0x0000000000000000 Stack Backtrace on Core 1: #01 [<0xffffffffc200a39c>] in backtrace at src/kdebug.c:235 #02 [<0xffffffffc2009b35>] in _panic at src/init.c:268 #03 [<0xffffffffc203187a>] in cclose at src/ns/chan.c:334 #04 [<0xffffffffc2033281>] in walk_symlink at src/ns/chan.c:1739 #05 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #06 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #07 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #08 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #09 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #10 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737 #11 [<0xffffffffc2032d82>] in walk at src/ns/chan.c:890 #12 [<0xffffffffc2033459>] in __namec_from at src/ns/chan.c:1162 #13 [<0xffffffffc2034043>] in namec at src/ns/chan.c:1552 #14 [<0xffffffffc203da6d>] in sysunmount at src/ns/sysfile.c:566 #15 [<0xffffffffc205681d>] in sys_nunmount at src/syscall.c:2306 #16 [<0xffffffffc2059a29>] in syscall at src/syscall.c:2560 #17 [<0xffffffffc205a5d8>] in run_local_syscall at src/syscall.c:2597 #18 [<0xffffffffc205ab19>] in prep_syscalls at src/syscall.c:2617 #19 [<0xffffffffc20ac432>] in sysenter_callwrapper at arch/x86/trap.c:877