[linux-audio-user] Two sound cards, but no sound

Dear sound folks, I recently bought a RME HDSP 9632 for use with MIDI sequencing. It works fine with Cubase in W2K, but I have not been able to get any sound from it in linux... I also have my old Creative Labs SBLive! card installed, for ip- telephony and normal sound messages purposes. I run Fedora Core 3 with Gnome, reinstalled clean last weekend on a new disk. The Sound Card Detection tool find both cards, and so does kudzu. The modules loaded for them are snd-emu10k1 and snd-hdsp. the RME-card is reported as Xilinx Corporation RME Hammerfall DSP. The Play test sound button plays a sound for the SB-card, but not the RME-card. This is how it was until today, when I tried to get Rosegarden installed. I downloaded, got some errors running configure, installed some missing rpms, including KDE from fc3-cd and various devel-packages from freshrpms.net with apt-get. I logged out from Gnome, and in with KDE. Suddenly the sound was gone in the SB-card. Logged out from KDE and in to Gnome, and there is no sound there neighter... Any suggestions that could point me in a direction would be appreciated. If I at least could get the SB-card working again, I could go back to Cubase, even if I really don't like to boot windows to do sequencing and scores!! :( Hoping for help. regards, Atle Weibell