Re: [fluid-dev] Subversion checkins

[Josh Green]

On Mon, 2007-09-17 at 23:42 -0500, David Hilvert wrote:
> On Mon, 17 Sep 2007 23:38:24 -0500
> David Hilvert <address@hidden> wrote:
> 
> > ==26661== Thread 2:
> > ==26661== Invalid read of size 4
> > ==26661==    at 0x4078F14: fluid_synth_dither_s16 (fluid_synth.c:1824)
> > ==26661==    by 0x4056651: fluid_alsa_audio_run_s16 (fluid_alsa.c:558)
> > ==26661==    by 0x40F42D2: start_thread (in /lib/libpthread-2.6.1.so)
> > ==26661==    by 0x4BFE2FD: clone (in /lib/libc-2.6.1.so)
> > ==26661==  Address 0x5571C88 is not stack'd, malloc'd or (recently) free'd
> > ==26661== 
> > ==26661== Invalid read of size 4
> > ==26661==    at 0x4078F4B: fluid_synth_dither_s16 (fluid_synth.c:1828)
> > ==26661==    by 0x4056651: fluid_alsa_audio_run_s16 (fluid_alsa.c:558)
> > ==26661==    by 0x40F42D2: start_thread (in /lib/libpthread-2.6.1.so)
> > ==26661==    by 0x4BFE2FD: clone (in /lib/libc-2.6.1.so)
> > ==26661==  Address 0xC4BD8AE0 is not stack'd, malloc'd or (recently) free'd
> 
> It seems as though, rather than dither_index being trampled on, the synth
> pointer might be bad.  Is the pointer value (and its initialization, etc.)
> thread-safe?

That just occurred to me also, when looking at the 1824 address (the
read of the dither_index parameter).  When is the crash occurring?  Does
it crash always at a certain point (for example during initialization)
or is it a crash that can occur after a period of time?
        Josh