kernel panic at kern/src/arena.c:723, from core 2: Arena kpages, request for zero
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a47c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009c15>] in _panic at src/init.c:268
#03 [<0xffffffffc200252f>] in arena_alloc at src/arena.c:723
#04 [<0xffffffffc2046575>] in kpages_alloc at src/page_alloc.c:80
#05 [<0xffffffffc200a96e>] in kmalloc at src/kmalloc.c:65
#06 [<0xffffffffc200aa2f>] in kzmalloc at src/kmalloc.c:91
#07 [<0xffffffffc2039831>] in parsecmd at src/ns/parse.c:80
#08 [<0xffffffffc207d19e>] in kprof_write at drivers/dev/kprof.c:365
#09 [<0xffffffffc2040699>] in rwrite at src/ns/sysfile.c:1117
#10 [<0xffffffffc20408eb>] in syswrite at src/ns/sysfile.c:1135
#11 [<0xffffffffc2059449>] in sys_write at src/syscall.c:1785
#12 [<0xffffffffc2059fa9>] in syscall at src/syscall.c:2578
#13 [<0xffffffffc205ab58>] in run_local_syscall at src/syscall.c:2615
#14 [<0xffffffffc205b099>] in prep_syscalls at src/syscall.c:2635
#15 [<0xffffffffc20ac872>] in sysenter_callwrapper at arch/x86/trap.c:877
kernel panic at kern/drivers/dev/mnt.c:1131, from core 0: rpc tags
Stack Backtrace on Core 0:
#01 [<0xffffffffc200a47c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009c15>] in _panic at src/init.c:268
#03 [<0xffffffffc207f4aa>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207f553>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc207f9f0>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc207fae5>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080618>] in mntopencreate at drivers/dev/mnt.c:568
#08 [<0xffffffffc2080778>] in mntopen at drivers/dev/mnt.c:585
#09 [<0xffffffffc2033bf0>] in __namec_from at src/ns/chan.c:1268
#10 [<0xffffffffc20343e3>] in namec at src/ns/chan.c:1562
#11 [<0xffffffffc2041846>] in sysopenat at src/ns/sysfile.c:572
#12 [<0xffffffffc205931f>] in sys_openat at src/syscall.c:1806
#13 [<0xffffffffc2059fa9>] in syscall at src/syscall.c:2578
#14 [<0xffffffffc205ab58>] in run_local_syscall at src/syscall.c:2615
#15 [<0xffffffffc205b099>] in prep_syscalls at src/syscall.c:2635
#16 [<0xffffffffc20ac872>] in sysenter_callwrapper at arch/x86/trap.c:877