Seems that nobody knows how to solve this. Anybody an idea whom to contact in order to get some help? I guess there must be somewhere a developer who wrote the ALC275 codec. Thanks Michael Am 26.10.2012 08:10, schrieb Neuer User: > Hello everybody > > I hope I can get some help here. > > My system is: > ------------- > > Dell XPS One 2710, Ubuntu 12.04, Kernel 3.2.0.31 or 3.2.0.32 or 3.6.2 > > The Problem is: > --------------- > > Sound works out of the box, until machine is suspended to RAM (STR). > After resume there is no sound at all. > > Interestingly, a suspend to Disk (STD) and resume restores sound > functionality! > > aplay -l: > Karte 0: PCH [HDA Intel PCH], Gerät 0: ALC275 Analog [ALC275 Analog] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > Karte 0: PCH [HDA Intel PCH], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > > lsmod|grep snd: > snd_hda_codec_hdmi 32506 1 > snd_hda_codec_realtek 79668 1 > snd_hda_intel 34147 3 > snd_hda_codec 135374 3 > snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel > snd_hwdep 13668 1 snd_hda_codec > snd_pcm 97661 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec > snd_timer 29989 1 snd_pcm > snd 79391 13 > snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer > soundcore 15091 1 snd > snd_page_alloc 18572 2 snd_hda_intel,snd_pcm > > I tried to reload alsa modules to restore sound, but it is not possible > to unload or reload snd modules: > > # sudo /sbin/alsa force-unload > Unloading ALSA sound driver modules: snd-hda-codec-hdmi > snd-hda-codec-realtek > snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-seq-midi snd-rawmidi > snd-seq-midi-event snd-seq snd-timer snd-seq-device snd-page-alloc > (failed: modules still loaded: snd-hda-codec-hdmi snd-hda-codec-realtek > snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-timer snd-page-alloc). > > All information in the net that I found is unfortunately either > depreciated (using acpi_suspend) or refers to other chips that have > options (e.g. modprobe snd_hda_intel option=acer). It seems, > there is no documentation about options of the ALC275 chip available. > > Anybody has a solution or a hint for me how to fix this? > > Thanks > > Michael > > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_sfd2d_oct > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_sfd2d_oct _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user