what is the cause for your verdict Missing audio/sound entries in dmesg? This dmesg was after crash-reboot ... no banshee-player on.
If I start banshee dmesg entries aubaut audio/acpi-controls are there: [ 5.946023] thinkpad_acpi: Console audio control enabled, mode: monitor (read only) [ 5.947073] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/800342 Title: [428449G, Conexant CX20590, Mic, Internal] Thinkpad W520 freeze on audio-play To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/800342/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs