[linrad] Re: Linrad/Suse crashes!

[<leif@xxxxxxxxxx>]

It seems ALSA has crashed. The reason could be in svgalib, ALSA
itself or the combination. Maybe the time to serve one interrupt
is too long and that some error in a device driver causes incorrect
behaviour when another interrupt happens simultaneously.

I suggest you try another driver for svgalib, VESA, VGA or something
big enough to allow Linrad to run but different from what you normally
use. If the error is still there I suggest you update ALSA to its
latest version and if that does not help, try to install OSS.

73

Leif  /  SM5BSZ




> my Linrad setup has be running nicely for a few months now. Sofar my main
> mode was single RX channel I/Q mode, running a direct conversion receiver.
> I use a Delta 44 as input at 96 kHz, and an old ES1969 Solo-1
> Audiodrive as
> output. Soundsystem is ALSA. Besides the problem of not being
> able to adjust
> the input sensitivity of the Delta 44 at 96 kHzI never experienced any
> trouble, never had a crash.
>
> I am working on a second receiver here and I want to use the 2 channel I/Q
> mode now to benefit from the automatic polarisation optimization.
>
> This is what happens:
>
> After a few minutes in weak signal mode the screen freezes. The only thing
> moving is the indicator for cpu work load, which very slowly
> decreases from
> about 45% towards 0. Screen says "SPEED WARNING" and OVERRUN
> ERRORS 1 (92).
>
> A/D:96010Hz, D/A: 4866Hz sync 3.131354
>
> CPU work load: 45.04%, 0.0096 Tot 1.63
>
> This happens when launching linrad from x-window as well as from run level
> 3.
> Sometimes hitting esc gets me back to console but a restart of
> Linrad shows
> only the dead screen but no graphs or sound. Mostly I need to reboot the
> system doing alt+ctrl+del but I have had a few really bad ones where I had
> to hard-reset the computer and it came up with messages like "looking for
> drive MBR" and things like that, doing nothing for 3 minutes (which
> frightens me!) Suse 9.1 needs about 5 minutes to rescue the
> system. When it
> happened the first time, I thought the MBR (of my dual boot
> system W2k/Suse
> 9.1) was gone.
>
> The cpu is is a DURON 1400, 256Mb RAM, I use Linrad-01.33.
> CPU load in single channel I/Q mode is around 35%
>
> Has anybody had a similar experience?
>
> 73 Daniel
>
>
> --
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