kernel panic at kern/drivers/dev/mnt.c:1131, from core 2: rpc tags
Stack Backtrace on Core 2:
#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 [<0xffffffffc2080f3b>] in mntwalk at drivers/dev/mnt.c:475
#08 [<0xffffffffc2033bcb>] in walk at src/ns/chan.c:800
#09 [<0xffffffffc2034039>] in __namec_from at src/ns/chan.c:1138
#10 [<0xffffffffc2034c43>] in namec at src/ns/chan.c:1530
#11 [<0xffffffffc2041ddd>] in sysopenat at src/ns/sysfile.c:585
#12 [<0xffffffffc20592de>] in sys_openat at src/syscall.c:1826
#13 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#14 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#15 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#16 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932
ROS(Core 2)> Unhandled user trap in vcore context from VC 0
HW TRAP frame (partial) at 0xffffffffc8f79b60 on core 0
  rax  0x00003000009e70c0
  rbx  0x00003000005dde90
  rcx  0x0000000000000150
  rdx  0x0000100000055400
  rbp  0x00003000005dde80
  rsi  0x0000100000055500
  rdi  0x00003000009e71c0
  r8   0x00003000009e70c0
  r9   0x0000000000000001
  r10  0x0000000000000000
  r11  0x0000000000000200
  r12  0x0000100000055400
  r13  0x0000000000419f70
  r14  0x0000000000000004
  r15  0x00007f7fffa01200
  trap 0x0000000e Page Fault
  gsbs 0x0000000000000000
  fsbs 0x0000000000000000
  err  0x--------00000006
  rip  0x0000000000419e5f
  cs   0x------------0023
  flag 0x0000000000010206
  rsp  0x00003000005ddd80
  ss   0x------------001b
err 0x6 (for PFs: User 4, Wr 2, Rd 1), aux 0x00003000009e71c0
Addr 0x0000000000419e5f is in cs at offset 0x0000000000019e5f
VM Regions for proc 22
NR:                                     Range:       Prot,      Flags,               File,                Off
00: (0x0000000000100000 - 0x0000000000121000): 0x00000007, 0x00000002, 0xffff800002d64220, 0x0000000000000000
01: (0x0000000000321000 - 0x0000000000322000): 0x00000001, 0x00000002, 0xffff800002d64220, 0x0000000000021000
02: (0x0000000000322000 - 0x0000000000323000): 0x00000003, 0x00000002, 0xffff800002d64220, 0x0000000000022000
03: (0x0000000000323000 - 0x0000000000324000): 0x00000003, 0x00000002, 0x0000000000000000, 0x0000000000000000
04: (0x0000000000400000 - 0x0000000000429000): 0x00000005, 0x00000001, 0xffff8000035db420, 0x0000000000000000
05: (0x0000000000429000 - 0x000000000042a000): 0x00000005, 0x00000002, 0xffff8000035db420, 0x0000000000029000
06: (0x000000000062a000 - 0x000000000062c000): 0x00000003, 0x00000002, 0xffff8000035db420, 0x000000000002a000
07: (0x000000000062c000 - 0x000000000062e000): 0x00000003, 0x00000002, 0x0000000000000000, 0x0000000000000000
08: (0x0000100000000000 - 0x00001000123d6000): 0x00000007, 0x00000022, 0x0000000000000000, 0x0000000000000000
09: (0x0000300000000000 - 0x0000300000001000): 0x00000003, 0x00000002, 0xffff800002d64220, 0x0000000000000000
10: (0x0000300000001000 - 0x0000300000002000): 0x00000003, 0x00000022, 0x0000000000000000, 0x0000000000000000
11: (0x0000300000002000 - 0x000030000008e000): 0x00000005, 0x00000002, 0xffff800002d64a20, 0x0000000000000000
12: (0x000030000008e000 - 0x000030000028d000): 0x00000000, 0x00000002, 0xffff800002d64a20, 0x000000000008c000
13: (0x000030000028d000 - 0x000030000028e000): 0x00000001, 0x00000002, 0xffff800002d64a20, 0x000000000008b000
14: (0x000030000028e000 - 0x000030000028f000): 0x00000003, 0x00000002, 0xffff800002d64a20, 0x000000000008c000