Comment 7 for bug 773969

Removing ath9k didn't help. I also removed bunch of others

  454 sudo modprobe -rv hp_wmi
  455 sudo modprobe -rv uvcvideo
  456 sudo modprobe -rv joydev
  458 sudo modprobe -rv ir_lirc_codec
  460 sudo modprobe -rv ene_ir
  462 sudo modprobe -rv edac_core
  466 sudo modprobe -rv snd_seq_midi
  468 sudo modprobe -rv ppdev
  470 sudo modprobe -rv parport_pc
  472 sudo modprobe -rv cryptd
  475 sudo modprobe -rv ir_sony_decoder
  476 sudo modprobe -rv ir_jvc_decoder
  478 sudo modprobe -rv lp
  480 sudo modprobe -rv sp5100_tco
  484 sudo modprobe -rv serio_raw
  488 sudo modprobe -rv r8169
  490 sudo modprobe -rv rc_core
  491 sudo modprobe -rv ir_rc6_decoder
  492 sudo modprobe -rv ir_rc5_decoder
  493 sudo modprobe -rv ir_nec_decoder
  495 sudo modprobe -rv rc_rc6_mce

and all of snd_* modules.

But. No help.