Re: SIGFPE

["Ramana Radhakrishnan" <ramana dot r at gmail dot com>]

On Wed, Nov 12, 2008 at 4:38 AM, Stefan Adams <stefan@borgia.com> wrote:
> I'm trying to compile a package of pulseaudio for thinstation.  I've
> done that and it's apparently successful because there were no errors
> during compile.
>
> I boot up thinstation and try to run pulseaudio and I get this
> horribly worthless message: "Floating point exception"
> That's it!  All by itself!  How can I proceed to solve the problem?
> Is it in pulseaudio?  Is it in one of the other libraries that I had
> to compile?  All compiling was done within the RUNME chroot
> environment provided by thinstation_src.
>
> Do you think thinstation or pulseaudio groups may be able to help, or
> am I going to have to debug the problem myself?  If the latter, *any*
> suggestions would be most welcome!!
>
> # /bin/pulseaudio
> Floating point exception
>
> # ldd /bin/pulseaudio
>        linux-gate.so.1 =>  (0xffffe000)
>        libpulsecore.so.8 => /lib/libpulsecore.so.8 (0xb7ed6000)
>        libltdl.so.3 => /lib/libltdl.so.3 (0xb7ece000)
>        libsamplerate.so.0 => /lib/libsamplerate.so.0 (0xb7d65000)
>        libspeex.so.1 => /lib/libspeex.so.1 (0xb7d52000)
>        libspeexdsp.so.1 => /lib/libspeexdsp.so.1 (0xb7d44000)
>        libsndfile.so.1 => /lib/libsndfile.so.1 (0xb7bb5000)
>        liboil-0.3.so.0 => /lib/liboil-0.3.so.0 (0xb7b57000)
>        libgdbm.so.3 => /lib/libgdbm.so.3 (0xb7b51000)
>        librt.so.1 => /lib/librt.so.1 (0xb7b3e000)
>        libdl.so.2 => /lib/libdl.so.2 (0xb7b3a000)
>        libm.so.6 => /lib/libm.so.6 (0xb7b19000)
>        libpthread.so.0 => /lib/libpthread.so.0 (0xb7b08000)
>        libc.so.6 => /lib/libc.so.6 (0xb7a18000)
>        /lib/ld-linux.so.2 (0xb7f44000)
>
> # gdb /bin/pulseaudio
> GNU gdb 6.3
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i686-pc-linux-gnu"...Using host
> libthread_db library "/lib/libthread_db.so.1".
>
> (gdb) r
> Starting program: /bin/pulseaudio
>
> Program received signal SIGFPE, Arithmetic exception.
> 0xb7f157ae in ?? ()
>
>

Try doing a backtrace (bt)  at this point and look at where the
exception was caused in source if you have a debug build on.. If you
want to talk about pulseaudio code then you should go to those lists.
This list is for discussions about gdb and its internals.


cheers
Ramana