On Tue, 5 Mar 2019, Magnus Lindholm wrote:
auacer0: ac97: Analog Devices AD1981B codec; headphone, 20 bit DAC, no 3D stereo auacer0: ac97: ext id 0x601<AC97_22,AMAP,VRA> audio0 at auacer0: full duplex, playback, capture, mmap, independent SIR
If you are returned to OPB after the 'sir' instruction has been executed, try to run the 'ctrace' command from the OPB prompt. This may give hint of the PC (and the %O registers).
Regards Palle