I also have a no sound problem under F 7 with intel-hda-audio
(Gigabyte DS3 rev 3.3 MB integrated audio) which seems to have
started happening after an update a few days ago, but not until I did
a cold boot.
I get this error:
"Sound server informational message:
Error while initializing the sound driver:
device: default can't be opened for playback (No such file or
The sound server will continue, using the null output device."
[user@localhost  etc]$ cat modprobe.conf
alias eth0 sky2
alias scsi_hostadapter pata_jmicron
alias scsi_hostadapter1 ata_piix
alias scsi_hostadapter2 ahci
alias snd-card-0 snd-hda-intel
options snd-card-0 index=0
options snd-hda-intel index=0
[user@localhost  etc]$
The first time this happened yesterday a warm reboot fixed it.
I'm not sure how to diagnose whether this is a hardware problem,
or a Linux problem...
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