Ubuntu
alsa-driver package

  1. Bug #1530142
  2. Comment #3

Comment 3 for bug 1530142

Revision history for this message
Raymond (superquad-vortex2) wrote : Re: [Inspiron 5559, Realtek ALC255, Speaker, Internal] No sound at all

0.728657] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)
[ 18.728660] [drm:si_resume] *ERROR* si startup failed on resume
[ 19.878088] [drm:si_dpm_set_power_state] *ERROR* si_upload_sw_state failed

[ 8192.226320] playback write error (DMA or IRQ trouble?)
 [ 8202.234132] playback write error (DMA or IRQ trouble?)

You have to open upstream bug report at bugzilla.kernel.org. driver sound/ Alsa