Re: [linux-audio-dev] Re: Tascam US428 Hangup

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Subject: Re: [linux-audio-dev] Re: Tascam US428 Hangup
From: Fernando Lopez-Lezcano (nando_AT_ccrma.stanford.edu)
Date: Wed Nov 17 2004 - 03:42:54 EET


On Mon, 2004-11-15 at 03:51, Paul Davis wrote:
> >Am Sonntag 14 November 2004 09:57 schrieb Spencer Russell:
> >> I got the latest alsa-drivers from CVS, compiled and installed
> >> them, and it's still freezing up. I can have the modules loaded
> >> for as long as I like, but it's when I start jack that it seems
> >> to have problems. Most recently, I started qjackctl, it worked
> >> until I started Ardour, at which point qjackctl died. I killed
> >> and restarted jackd, and as soon as I started jackd my computer
> >> froze. Every time it freezes like this, my caps lock and scroll
> >> lock lights blink together. I got the same -11 error message
>
> interestingly, gerard van dongen and i witnessed the exact same
> behaviour on the machines rented for our workshop on ardour at DEAF in
> rotterdam last week. however, these machines weren't running ardour or
> JACK at the time - any time they went into the X screensaver, it
> appeared, they died in this way. they were running a reasonably recent
> Gentoo distribution.

Some X screensavers that use opengl (and 3d graphics) can crash hard the
X subsystem.

> >I think the blinking is just a sign for a hard crash.
>
> is there evidence of this anywhere? neither gerard or i had ever seen
> this pattern of flashing LEDs.

I think kernel oops'es do that (blink the keyboard leds). At that point
there is not much you can do except power cycle or use the sysrq key if
that's enabled.

Hope rotterdam was fun!
-- Fernando


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