Ivan Uemlianin wrote: > > > Dear All > > I'm running Debian Woody on an IBM Thinkpad A31p. Everything is working > fine, except sound.
<snip> > The sound card is an Intel Corp. 82801CA/CAM AC'97 Audio (Analog Devices > AD1881A). <snip> > Installing Debian, I made sure the following sound driver modules were > checked: > > ac97_codec > i810_audio > mpu401 > sound > soundcore > > I gave no parameters as I wasn't aware of the need for any at the time. > > Having installed Debian sound was just not working. For example, cdcd > would happily play my CDs - silently. (At the moment only root has > access to certain devices - e.g. audio, write access to hda1 - but > that's a separate issue.) > > - sndconfig correctly identifies the sound card but can't config it. > > - lsmod includes four of the modules, but not i810_audio: > > Module Size Used by Not tainted > mpu401 18784 0 (unused) > sound 52876 0 [mpu401] > ac97_codec 9568 0 > soundcore 3236 2 [sound] > > - /etc/modules does not include ac97_codec, sound or soundcore, but does > include i810_audio and mpu401 > What happens when you try "modprobe i810_audio"? > - The following is from dmesg (boot messages), which seems to imply that > something is going wrong: Something I read on the Linux Kernel Mailing List (lkml) the other day indicated that at least one of the errors below is meaningless. Basically, the chip has support for 6 channels, but the vendor (IBM) chose to support only 2 of those, thus the message about "unable to map surround DAC's). > ... > Intel 810 + AC97 Audio, version 0.21, 10:28:09 Apr 14 2002 > PCI: Found IRQ 11 for device 00:1f.5 > PCI: Sharing IRQ 11 with 00:1f.3 > PCI: Sharing IRQ 11 with 00:1f.6 > PCI: Sharing IRQ 11 with 02:00.1 > PCI: Setting latency timer of device 00:1f.5 to 64 > i810: Intel ICH3 found at IO 0x18c0 and 0x1c00, IRQ 11 > i810_audio: Audio Controller supports 6 channels. > ac97_codec: AC97 Audio codec, id: 0x4144:0x5348 (Analog Devices AD1881A) > i810_audio: AC'97 codec 0 Unable to map surround DAC's (or DAC's not > present), total channels = 2 > ac97_codec: AC97 Modem codec, id: 0x5349:0x4c27 (Unknown) > i810_audio: timed out waiting for codec 1 analog ready. > ... > > Questions: > - Is it an IO/IRQ problem, and if so Probably not; PCI devices (of which your sound card is one) generally get set up properly without any human intervention. > - what other info do I need (e.g. dma, mpu) and how do I get it? > - how do I add module parameters? > - If not: > - what else might it be? Again, try "modprobe i810_audio". > > - where do I need to look? (I'd rather avoid alsa/kernel stuff until > I've exhausted this track) > > Best wishes > > Ivan > Kent -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
