[PlanetCCRMA] Laptop soundcard not detected after updating FC4

Fernando Lopez-Lezcano nando@ccrma.Stanford.EDU
Sat Aug 6 11:27:01 2005


On Sat, 2005-08-06 at 09:15, Scott Davidson wrote:
> Hello,
> 
> Is anyone having trouble starting ALSA on the bleeding edge in FC4? I
> just got the latest change regarding the Hydrogen libs, and after
> restarting, the laptop soundcard isn't loaded. Restarting alsasound has
> no effect. I haven't tried my usb card yet, but I assume it works fine.
> Anyone have any ideas? I'm running the 2.6.12-0.21 kernel on FC4 on the
> intel ac97 laptop soundcard. Scroll down for relevant output.

Hmmm, looks like a bug in alsa (1.0.9b if you are installing
planetccrma-core-edge from the edge repo). Could you post this info in
the alsa developers list to see if anyone there knows if this is fixed
in cvs? Maybe it is time I try packaging alsa cvs as I used to a while
back. 

-- Fernando

> $ sudo cat /proc/asound/cards
> 
> 0 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
>                      Intel 82801DB-ICH4 with ALC250 at 0xf0000400, irq
>                      10
> 
> 
> $ sudo cat /var/log/messages | grep ALSA
> 
> Aug  6 11:20:00 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/ac97/../../alsa-kernel/pci/ac97/ac97_codec.c:1901:
> AC'97 0 access is not valid [0xffffffff], removing mixer.
> Aug  6 11:20:00 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/intel8x0.c:2053: Unable to
> initialize codec #0
> Aug  6 11:20:02 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/../alsa-kernel/pci/intel8x0m.c:477:
> codec_write 1: semaphore is not ready for register 0x54
> Aug  6 11:20:52 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/../alsa-kernel/pci/intel8x0m.c:491:
> codec_read 1: semaphore is not ready for register 0x54
> Aug  6 11:20:52 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/../alsa-kernel/pci/intel8x0m.c:477:
> codec_write 1: semaphore is not ready for register 0x40
> Aug  6 11:20:52 localhost kernel: ALSA
> /usr/src/rpm/BUILD/alsa-driver-1.0.9b/pci/../alsa-kernel/pci/intel8x0m.c:491:
> codec_read 1: semaphore is not ready for register 0x54
> -- 
>   Scott Davidson
>   jsd_290@fastmail.fm