#17 0xffffffff80b38361 in kern_kldload (td=<optimized out>, file=<optimized out>, fileid=0xfffffe010fc77964) at /usr/src/sys/kern/kern_linker.c:1071
#18 0xffffffff80b3848b in sys_kldload (td=0xfffff8004b4cb000, uap=<optimized out>) at /usr/src/sys/kern/kern_linker.c:1097
#19 0xffffffff8102606b in syscallenter (td=0xfffff8004b4cb000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:134
#20 amd64_syscall (td=0xfffff8004b4cb000, traced=0x0) at /usr/src/sys/amd64/amd64/trap.c:936
#21 <signal handler called>
#22 0x00000008002cfd8a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffff6338
(kgdb) info locals
mod = "\b"
func = "\317\n\016\177\b\370\377\377"
name = ""
prov = 0x0
len = <optimized out>
from = <optimized out>
to = <optimized out>
(kgdb) frame
Stack level 13, frame at 0xfffffe010fc77600:
rip = 0xffffffff83bac2de in sdt_create_probe (/usr/src/sys/cddl/dev/sdt/sdt.c:156); saved rip = 0xffffffff80b36de3
inlined into frame 14, caller of frame at 0xfffffe010fc77450
source language c.
Arglist at unknown address.
Locals at unknown address, Previous frame's sp is 0xfffffe010fc77450
Saved registers:
rbx at 0xfffffe010fc77420, rbp at 0xfffffe010fc77440, r12 at 0xfffffe010fc77428, r14 at 0xfffffe010fc77430, r15 at 0xfffffe010fc77438, rip at 0xfffffe010fc77448