kernel panic at kern/drivers/dev/mnt.c:1131, from core 0: rpc tags
Stack Backtrace on Core 0:
#01 [<0xffffffffc200aa6c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc200a205>] in _panic at src/init.c:275
#03 [<0xffffffffc207faca>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207fb73>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc2080010>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc2080105>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080add>] in mntclunk at drivers/dev/mnt.c:612
#08 [<0xffffffffc2080b5e>] in mntclose at drivers/dev/mnt.c:655
#09 [<0xffffffffc20324b8>] in chan_release at src/ns/chan.c:144
#10 [<0xffffffffc2031d0b>] in kref_put at include/kref.h:70
#11 [<0xffffffffc20322db>] in cclose at src/ns/chan.c:304
#12 [<0xffffffffc20406a4>] in sysseek at src/ns/sysfile.c:959
#13 [<0xffffffffc2057060>] in sys_llseek at src/syscall.c:1980
#14 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#15 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#16 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#17 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932