just built and booted to a 3.0.0-rc1-00180-g0792644-dirty kernel, where the only diff from mainstream is a hack to get around the i915 "black screen of death" issue. annoyingly, my sound has suddenly vanished. about to start diagnosing but if anyone has any suggestions, i'm all ears. gateway laptop, running updated ubuntu 10.10. partial output from "lspci -v": 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05) Subsystem: Acer Incorporated [ALI] Device 031c Flags: bus master, fast devsel, latency 0, IRQ 42 Memory at d4400000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel rday -- ======================================================================== Robert P. J. Day Ottawa, Ontario, CANADA http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================