Problems seems to be fixed by adding the following line t o
/etc/modprobe.d/blacklist:
blacklist snd-intel8x0m
https://bugzilla.redhat.com/show_bug.cgi?id=389521
Thanks for your efforts Bill and Nigel.
On Nov 28, 2007 8:56 AM, Wolfgang Paul Rauchholz <[EMAIL PROTECTED]>
wrote:
> I booted the laptop and there is no sound.
> As mentioned before, the sound/no-sound situation occurs at random to me.
> I cannot recognize any pattern.
> The reason I have not taken out PulseAudio yet is that I suffered the same
> problem under FC6/FC7 for which I moved to Ubuntu 7.x where sound ran
> stablel. Therefor my hypothesis is that there is probably an issue with FC
> and not PulseAudio??
>
> I went to sound card detection and played the test sound with known
> result; no sound. The screen shows the following info:
> Vendor: Intel Corporation
> Model: 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev
> 03)
> Module: snd-intel8x0
> ...
> PCM device: Intel 82801DB-ICH4
>
>
> 1. alsamixer
> Card: PulseAudio
> Chip: PulseAudio
> View: [Playback] Capture All
> Item: Master
>
> There is one bar in the center of the screen. From the bottom to top the
> values are:
> <Master>, 65<>65, 00
> The channel is not muted.
>
> 2.
> [EMAIL PROTECTED] ~]# /sbin/lsusb
> Bus 001 Device 001: ID 0000:0000
> Bus 004 Device 001: ID 0000:0000
> Bus 003 Device 001: ID 0000:0000
> Bus 002 Device 002: ID 046d:c517 Logitech, Inc.
> Bus 002 Device 001: ID 0000:0000
>
> 3.
> [EMAIL PROTECTED] ~]# yum install alsa-lib
> Setting up Install Process
> Parsing package install arguments
> Package alsa-lib - 1.0.15-1.fc8.i386 is already installed.
> Nothing to do
> [EMAIL PROTECTED] ~]# rpm -q alsa-lib
> alsa-lib-1.0.15-1.fc8
>
> 4.
> [EMAIL PROTECTED] ~]# aplay /usr/lib/firefox-2.0.0.9/res/samples/test.wav
> Playing WAVE '/usr/lib/firefox- 2.0.0.9/res/samples/test.wav' : Unsigned 8
> bit, Rate 22050 Hz, Mono
> [EMAIL PROTECTED] ~]# aplay /usr/lib/openoffice.org/share
> /gallery/sounds/horse.wav
> Playing WAVE '/usr/lib/openoffice.org/share/gallery/sounds/horse.wav' :
> Signed 16 bit Little Endian, Rate 11025 Hz, Mono
>
> .....but I hear no no sound
>
> 5.
> [EMAIL PROTECTED] ~]# more /etc/modprobe.conf
> alias eth0 8139too
> alias scsi_hostadapter libata
> alias scsi_hostadapter1 ata_piix
> alias eth1 ipw2200
> alias snd-card-0 snd-intel8x0
> options snd-card-0 index=0
> options snd-intel8x0 index=0
>
> 6.
> [EMAIL PROTECTED] ~]# cat /proc/asound/cards
> 0 [I82801DBICH4 ]: ICH4 - Intel 82801DB-ICH4
> Intel 82801DB-ICH4 with VIA1612A at irq 9
>
>
>
> 7. extract from /vat/log/messages
> ...
> Nov 28 08:13:27 MGPRJRWR kernel: agpgart: Detected an Intel 855PM Chipset.
> ...
> Nov 28 08:13:27 MGPRJRWR kernel: intel_rng: FWH not detected
> ...
> Nov 28 08:13:27 MGPRJRWR kernel: intel8x0_measure_ac97_clock: measured
> 50940 usecs
> Nov 28 08:13:27 MGPRJRWR kernel: intel8x0: clocking to 48000
> Nov 28 08:13:27 MGPRJRWR kernel: Unable to initialize codec #0
>
>
>
>
> But I also found these messages in the same file
> Nov 28 08:28:04 MGPRJRWR kernel: codec_write 0: semaphore is not ready for
> register 0x2
> Nov 28 08:28:05 MGPRJRWR kernel: codec_write 0: semaphore is not ready for
> register 0x2
> Nov 28 08:30:55 MGPRJRWR kernel: codec_write 0: semaphore is not ready for
> register 0x2
> Nov 28 08:30:55 MGPRJRWR kernel: codec_write 0: semaphore is not ready for
> register 0x2
> Nov 28 08:30:56 MGPRJRWR kernel: codec_read 0: semaphore is not ready for
> register 0x2c
> Nov 28 08:38:19 MGPRJRWR pulseaudio[2264]: module-alsa-sink.c: Error
> opening PCM device hw:0: Device or resource busy
> Nov 28 08:38:36 MGPRJRWR pulseaudio[2264]: module-alsa-sink.c: Error
> opening PCM device hw:0: Device or resource busy
> Nov 28 08:54:04 MGPRJRWR kernel: codec_read 0: semaphore is not ready for
> register 0x2c
>
>
> Nov 28 08:54:04 MGPRJRWR kernel: codec_read 0: semaphore is not ready for
> register 0x2c; this record was created when plying the the test sound in
> sound card detection.
>
>
>
>
>
>
> On Nov 28, 2007 12:00 AM, Bill Unruh <[EMAIL PROTECTED]> wrote:
>
> > On Tue, 27 Nov 2007, Nigel Henry wrote:
> >
> > > On Tuesday 27 November 2007 21:09, you wrote:
> > >> Nigel,
> > >>
> > >> sound is not working now.
> > >> I ran report again and checked differences. There are 4 loaded
> > modules
> > >> missing:
> > >> vfat, fat, usb_storage and usblp
> >
> > None of this has anything to do with sound.
> >
> > Run alsamixer. What does it say. As he mentioned, make sure that nothing
> > is
> > muted and that all sliders are at least half way up. You can always
> > refine
> > things later.
> >
> > Then run aplay with some .wav file as the source
> > and see if there are any responses, error messages, etc, and see if
> > there
> > is sound.
> >
> >
> >
>
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