Steven downing wrote:
>
> I'm still trying to track down whats causing this. (see my missive last Wednesday -
>basically all mp3 programs are dying with SIGFPE - cyrix 6X86 - als100 soundcard -
>kernel 2.4.0-test7 - standard kernel sound drivers)
> I ran smpeg-gtv from potato and it changed the error message slightly. Now it says:
> SIGFPE: Floating Point Exception: SDL Parachute deployed.
The latter part of the message is generated by the SDL library (which
smpeg-gtv must be using for its sound services). SDL is itself open
source so you might want to grab it and build a small program to help
pin down where the error is happening. The main SDL page is at
http://www.devolution.com/~slouken/SDL/
> Does this mean more to anyone else than it does to me? smpeg also had more tenacity
>than any others as it actually played whole songs on at least three or four occasions
>before it died.
> xmms played .wav files fine, i setup a playlist and let it random repeat through it
>and came back about half an hour later and it was still running. To be fair they
>were mostly pretty short (5-10 sec) but there were a couple over a minute long.
>Might this make a difference.
> And as it happens to ALL mp3 programs I've tried so far I thought I'd find out what
>they have in common infrastructure-wise, and the only one is libc.so.6.
> So now I'm taking a crash course in gdb and Data Display Debugger....but most of my
>programming experience has been with scripting or beginner C, but none on Linux
>(YET!), so any gurus got some ideas on what to look out for?
> Failing that any good tips on debugging established programs (i.e not my own) in
>general?
Get the source and build your own local version of it so you actually
get debug info in your binary. I also recommend running gdb from within
emacs as it will trace the source for you - from an emacs window type
<Alt>-X then gdb then <Enter>...
--
Andrew Dorrell
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