On Wed, 11 Apr 2018, "Shi, Yang A" <yang.a.shi@xxxxxxxxx> wrote: > This issue is not related to request_module. When issue happened, > request_module get i915 Correctly and return 0 successfully. It just > be caused by acomp->ops is null in function snd_hdac_i915_init after > it called Component_master_add_with_match. > > If intel_audio_init can be called before it check > acomp->ops. Everything will goes well. But intel_audio_init is called > too late because i915 driver go to usleep. Please add drm.debug=14 module parameter, enable dev_dbg for your driver, and send us the dmesg. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx