Emu10k1 and 5.1 surround sound

Hi all!
I try to enable my 5.1 surround sound with my Creative Labs Audigy 2.
I've run alsaconf without a problem. Sound works at all. I've rised Master, PCM, PCM Center, PCM Front, PCM LFE, PCM Surround, Front, Surround, Center, LFE and Synth to 100% via the alsa-mixer.
When I round the alsa speaker-test
$ speaker-test -Dplug:surround51 -c6
I just get sound from FrontLeft and FrontRight.
$ aplay -Dsurround51 /usr/share/sounds/alsa/Front_Left.wav -c6
Playing WAVE '/usr/share/sounds/alsa/Front_Left.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
aplay: set_params:887: Channels count non available
Google helps me and said, that only stereo is supported...
I've had a look at the forum and created /etc/asound.conf with this content:
pcm.!default {
type plug
slave.pcm "surround51"
slave.channels 6
route_policy duplicate
No change.
What can I do?
Regards,
Moritz

I see we've got the same problem... This setting is not working for me either, changing levels in alsamixer does nothing. I can hear only front left, right, and subwoofer, but sub has damned low volume... I'm using via82xx. Tryied probably everything, but no change.
I don't understand it!!!

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