PNPRIG: identify on isa0 (state=3) script=1
PNPRIG: card serial d3 b4 60 28 11 22 33 44 checksum=0x47
PNPRIG: script=1 stream 3 bytes
PNPRIG: trying Read_Port at 203
PNPRIG: kmalloc(1024, temp) = 0xfffff8008db3b400
PNPRIG: kmalloc(3072, temp) = 0xfffff8008dc05500
PNPRIG: kfree(0xfffff8008db3b400, temp)
PnP device failed to report resource data
PNPRIG: kfree(0xfffff8008db3b400, temp)
PNPRIG: *** kfree(0xfffff8008db3b400) #2 — SAME ADDRESS FREED AGAIN ***
panic: memory chunk 0xfffff8008db3b400 is already free!
cpuid = 0
Trace beginning at frame 0xfffff801186bf5a8
chunk_mark_free() at chunk_mark_free+0xae 0xffffffff80655dbe 
chunk_mark_free() at chunk_mark_free+0xae 0xffffffff80655dbe 
_kfree() at _kfree+0x262 0xffffffff806580e2 
rig_identify() at rig_identify+0x550 0xffffffff82600dd0 
isa_driver_added() at isa_driver_added+0x5c 0xffffffff809c698c 
devclass_add_driver() at devclass_add_driver+0xf3 0xffffffff8068cc73 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>