I have a similar problem. Since upgrading to 10.04, sometimes my USB SB MP3 external card is recognized and sometimes not. It was always fine up to 9.07, or maybe 9.04 - not sure. When the device is not recognized as present, I can see the card in lsusb, but not in aplay and It does not appear as an option in Pulse. If I run "alsa force-reload", it appears but does not function. I have set the USB device to 0 in /etc/modprobe.d/alsa.conf.
I have a suspicion that it's to do with timing - maybe pulse / alsa trying to install the card before it's fully woken up from being booted through the USB, or something like that. Clue. If I hold a key down during boot (after grun), then it loads the sound OK more often than if I don't. Anyone know how to introduce a delay at the right point (i.e. after USB is initialized and before the audio system starts), so I can test this hypothesis? Thanks, geoff -- module-udev-detect races with module-default-device-restore https://bugs.launchpad.net/bugs/557421 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
