panic: assertion "(sr->flags & SRF_PUTAWAY) == 0" failed in _sysref_put at /usr/src/sys/kern/kern_sysref.c:303
cpuid = 0
Trace beginning at frame 0xfffff801166df7a8
_sysref_put() at _sysref_put+0x182 0xffffffff80620432 
_sysref_put() at _sysref_put+0x182 0xffffffff80620432 
sysref_probe_modevent() at sysref_probe_modevent+0x289 0xffffffff82600399 
module_register_init() at module_register_init+0x49 0xffffffff806232e9 
linker_load_file.part.3() at linker_load_file.part.3+0x1b9 0xffffffff80624619 
linker_load_module() at linker_load_module+0x116 0xffffffff80625e16