Bug 505464

Created attachment 347501 [details]
First Boot into F11 LiveCD

Created attachment 347502 [details]
Second Boot into F11 LiveCD

Created attachment 347503 [details]
Third Boot into F11 LiveCD

Created attachment 347504 [details]
alsa-info.sh ouput from working system (Arch) on same hardware

I'm almost certain it's the values mentioned in the final paragraph of the initial report. They match the described symptoms very well. I don't know where those get set or if it's possible to override them, though.

jaroslav, over to you!

-- 
Fedora Bugzappers volunteer triage team
https://fedoraproject.org/wiki/BugZappers

Update: I'm also getting the same results after using the installation DVD to install, so the issue is not specific to the LiveCD.

It looks like an another ac97_clock measure problem.

Any sound related messages in output from dmesg after boot (working and not working initialization)?

Booted the Live CD twice.

1st boot, with an incorrectly set DAC/ADC (47113Hz)

[liveuser@localhost ~]$ dmesg | grep ac97
ALSA sound/pci/ac97/ac97_codec.c:2127: AC'97 0 analog subsections not ready
intel8x0_measure_ac97_clock: measured 51258 usecs
[liveuser@localhost ~]$ dmesg | grep intel8x0
intel8x0_measure_ac97_clock: measured 51258 usecs
intel8x0: clocking to 51280
[liveuser@localhost ~]$

2nd boot, with a correctly set DAC/ADC (44100Hz)

[liveuser@localhost ~]$ dmesg | grep ac97
ALSA sound/pci/ac97/ac97_codec.c:2127: AC'97 0 analog subsections not ready
intel8x0_measure_ac97_clock: measured 50999 usecs
[liveuser@localhost ~]$ dmesg | grep intel8x0
intel8x0_measure_ac97_clock: measured 50999 usecs
intel8x0: measured clock 215 rejected
intel8x0: clocking to 48000
[liveuser@localhost ~]$

Fedora 11 installed from DVD, all updates, DAC/ADC always set incorrectly on boot:

627> r 621
dmesg | grep intel8x0
intel8x0_measure_ac97_clock: measured 50800 usecs
intel8x0: measured clock 78 rejected
intel8x0: clocking to 48000
628>

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