Ukernel panic at kern/arch/x86/trap.c:312, from core 1: Proc-ful Page Fault in zthe Kernel at 0x0000000000000000!
HW TRAP frame at 0aWVhxfffffff0000ca620 on core 1
rax 0x0000000000000000
rbx 0xffffffffc210f658
rcx 0xffff800006d0c9d8
\ rdx 0x0000000000000001
_t rbp 0xfffffff0000ca7w48
=rs]i r0xffffffffc
210f640
rdi 0xffffffffc210f658
r8 0x0000000000a000000
- r9 0xffff80000324e838
r10 0x0000000000000168
r11 0xffff80000324e708
r12 0wx0000000000000000e
� '8y?r13 0xffffffffc20b1b00
r14 0xffff{80000;Y324e708
r15 0xffffffffc210f640
h trap 0x0000000e Page Fault
uMFnm gs*CGWGga;AdBbs 0xffffffffc8667c40
� fsbs 0x0000000000000000
err 0x--------00000002
rip 0xffffffffc200be1c
:_ cs 0x------------0008|U
(nGpb flag 0x0000000000010086
m rsp 0xfffffff0000ca6e8
ssK (!a!2
0x----------{(3--0010
/
Backtrace of kernel context on Core 1:
5#01 [<0xffffffffc200beh1c>] in sem_down
#d02 [<0xffffffffc2YLv3c$c,ҿ9?-S᳝�@P}X~O~M076054>] in consread
#03 [<0xffffffffc207d4e2>] in mntversion at drivers/dev/mnt.c:223
#04 [<0xffffffffc207e882>] in mntattach at drivers/dev/mnt.c:356
#05 [<0xffffffffc203f221>] in sysmount at src/ns/sysfile.c:528
#06 [<0xffffffffc2055b11>] in sys_nmount at src/syscall.c:2259
#07 [<0xffffffffc2059409>] in syscall at src/syscall.c:2528
#08 [<0xffffffffc20595d4>] in run_local_syscall at src/syscall.c:2563
#09 [<0xffffffffc2059b09>] in prep_syscalls at src/syscall.c:2583
#10 [<0xffffffffc20ab36a>] in sysenter_callwrapper at arch/x86/trap.c:854