On Thu, Jul 21, 2011 at 12:23:47AM +0800, Ray Rashif wrote: > Just to be double sure. Did you reboot each time you downgraded > something? If not, downgrade all of them at one go, then reboot. Of course. mkinitcpio -p kernel26 and reboot. > 1. Now we really need a comparison between your working systems and > non-working systems, looking at the differences between hardware and > software. Since both systems worked perfectly until the upgrade yesterday, that difference is the set of packages that were upgraded yesterday, wich you find in pacman.log. > Just thinking out loud: > > A diff with the previous udev yields no difference in > 78-sound-card.rules, only an ammendment of our system ruleset. > > -# SOUND addon modules > -SUBSYSTEM=="sound", RUN+="/lib/udev/load-modules.sh snd-pcm-oss" > -SUBSYSTEM=="sound", RUN+="/lib/udev/load-modules.sh snd-seq-oss" > > -# miscellaneous > -KERNEL=="rtc|rtc0", GROUP="audio", MODE="0664" > > And 50-udev-default.rules. > > # sound > -SUBSYSTEM=="sound", GROUP="audio" > +SUBSYSTEM=="sound", GROUP="audio", \ > + OPTIONS+="static_node=snd/seq", OPTIONS+="static_node=snd/timer" > > 2. At this point I'd recommend using a Fedora Live medium to test if > your sound works there. > > I'm still unsure whether this is an upstream or local problem. Tom > would be a better judge on this, especially regarding the 'old style' > boot messages. If it's not the kernel, not alsa, not udev, not init, > then I don't know what else it could be (RME card/PCI bus?). *Two cards* going defective at the same time, and that time coincides with an upgrade ? That could only mean that the new system has destroyed them :-) Ciao, -- FA