I got a new PowerMac G5 Quad a couple of weeks ago. Nice machine, except for the weak graphics and non-existent sound support on Linux.<\/p>\n
The built-in sound card is completely unsupported at this time. As I did not feel like writing a driver for it, I plugged in an old USB sound device (Creative Sound Blaster Audigy 2 NX). At first this did not work, I just got oopses. But with a small fix<\/a> (included in the kernel since 2.6.15.5) it started to work.<\/p>\n Next I tried to set up ALSA<\/a>‘s dmix plug-in with S16 which resulted in horrible crackling: The byte swapping code was broken.<\/p>\n Also, ALSA’s Here are the fixes for these two problems (against alsa-lib-1.0.11rc3):<\/p>\n If somebody is interested, here is the USB-Audio.conf<\/a> I use with my Audigy 2 NX.<\/p>\n By the way: Is it normal that the April 9th, 2006:<\/strong> The patches have been integrated into alsa-libs 1.0.11rc4, the 100% CPU issue is fixed in that version too. I got a new PowerMac G5 Quad a couple of weeks ago. Nice machine, except for the weak graphics and non-existent sound support on Linux. The built-in sound card is completely unsupported at this time. As I did not feel like writing a driver for it, I plugged in an old USB sound device (Creativesoftvol<\/code> plug-in (not strictly necessary but nice to have with GNOME’s volume control applet) didn’t work, it did not support any format available with snd-usb-audio on big-endian machines.<\/p>\n\n
dmix<\/code> plug-in consumes 100% CPU?<\/p>\n
\nThere’s also a ALSA driver for the chip in the PowerMac Quad now, see this mail<\/a> from Johannes Berg.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
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