Re: alsaconf locks up my system
On Sun, May 14, 2006 at 17:09:26 -0500, Russ Cook wrote:
> Florian Kulzer wrote:
> >On Sun, May 14, 2006 at 13:32:31 -0500, Russ Cook wrote:
> >>I'm running a A8N32-SLI Deluxe, with dual core amd64. My kernel
> >>is 2.6.16-1-amd64-k8-smp. I also run kernel 126.96.36.199. With either
> >>kernel, I have no audio. I used to have audio until about a week
> >>ago, after running apt-get upgrade. I'm running the 64 bit dist,
> >>unstable. When trying to run XMMS or any other audio or video
> >>player, I get no audio. XMMS tells me it couldn't open audio, and
> >>request I check soundcard configured, correct output plugin selected,
> >>and no other program is blocking the soundcard.
> >>In the past, I could get past this problem by re-running alsaconf.
> >>Now however, alsaconf never completes before my X system freezes
> >>up. I can still access my system from another machine using ssh,
> >>but all output to the screen is frozen, and the keyboard is
> >>unresponsive. The mouse pointer still moves across
> >>the screen, but nothing responds.
> >>Has anyone else had this problem, and can anyone offer hints or
> >>suggestions as to the cause and cure?
> >I would try to shut down X and run alsaconf from a virtual terminal. If
> >this still locks up your machine you can log in with ssh and check which
> >process is blocking the CPU with the "top" command. It would then also
> >be interesting if killing that process unlocks the computer or not.
> >Another thing to try is "/etc/init.d/alsa force-reload".
> >If alsaconf works when run from the terminal you can use a simple
> >application such as "speaker-test" to check your sound. If this is
> >successful you can try if it still works when you start X again. This
> >should help you to isolate the cause of the problem.
> Another problem - I used to be able to access a virtual terminal by
> pressing ctl-alt-f2. This key sequence no longer works. I'm running
> gnome. How can I temporarily disable X so I can run alsaconf from
> a virtual terminal?
Open a Gnome terminal or an xterm, become root and run
to go to virtual terminal 2, for example. Log in as your normal user, su
to root level and run
This will shut down Gnome and X. The command to start it again is
As far as the ctrl-alt-fx problem is concerned, have a look at this
If that does not help you, start a new thread and post the keyboard
section of your /etc/X11/xorg.conf.