[GLLUG] sound with Knoppix
Rich Clark
rrclark at rrclark.net
Wed Nov 19 08:25:29 EST 2003
On Tue, 18 Nov 2003, Todd Torrey wrote:
> I was trying out Knoppix 3.3 on a system with a Cyrix media GX processor.
> The audio chipset is a CX5530, which I believe is SB16 compatible. Anyway, I
> can't get sound to work on it. The drivers seem to all be in place, as
> Knoppix has really good hardware detection. Here is lsmod's listing:
>
> Module Size Used by Not tainted
> smbfs 33968 2 (autoclean)
> autofs4 8756 1 (autoclean)
> af_packet 13448 0 (autoclean)
> nls_iso8859-1 2876 0 (autoclean)
> nls_cp437 4380 0 (autoclean)
> kahlua 1704 0
> sb_lib 33550 0 [kahlua]
> uart401 6052 0 [sb_lib]
> sound 55276 0 [sb_lib uart401]
> soundcore 3428 4 [sb_lib sound]
> 8139too 17096 1
> mii 2256 0 [8139too]
> crc32 2832 0 [8139too]
> serial 52004 0 (autoclean)
> apm 9768 1
> rtc 6940 0 (autoclean)
> cloop 8068 2
>
> and here is the relevant stuff from dmesg:
>
> Cyrix Kahlua VSA1 XpressAudio support (c) Copyright 2003 Red Hat Inc
> kahlua: XpressAudio at 0x220
> kahlua: XpressAudio on IRQ 5, DMA 1, 5
>
> If I 'cat some_audio.au > /dev/audio' I don't get any errors, I just don't
> get any sound.
Try catting the file to /dev/dsp and see what happens.
> By the way, I'm doing all this from init level 2. I've checked the obvious
> stuff like the speakers and cables too. I'm not finding much info on the
> Knoppix web site or via google. Maybe my hardware is just hosed.
I doubt it's the hardware. You may also want to modify your configuration
so the system loads up the Alsa drivers for that chipset.
Rich
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