Hello good to see that someone is taking care of this bug.
I attached the requested diff. Hope we can fix it. Cheers, Michael ** Attachment added: "alsa diff as requested" https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1066488/+attachment/3486105/+files/alsa-info-diff -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1066488 Title: No sound on Dell XPS after suspend (ALC275) Status in “pulseaudio” package in Ubuntu: Confirmed Bug description: Dell XPS One 2710, Ubuntu 12.04, Kernel 3.2.0.31 or 3.2.0.32 or 3.6.2 Sound works out of the box, until machine is supended to RAM. After suspend and resume, no sound at all. A suspend to Disk and resume restores sound! 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 It is NOT possible to unload 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 either is depreciated (using acpi_suspend) or refers to chips that have options (e.g. modprobe snd_hda_intel option=acer). There is NO documentation about options of the ALC275 chip. Anybody has a solution to this? Thanks Michael To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1066488/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
