Re: [Chicken-users] crashes during return-from-callbacks

[felix winkelmann]

On 9/7/05, Daniel B. Faken <address@hidden> wrote:
> 
> > Also try (set-gc-report! ...), it is possible that the more code executes
> > (consumes stack-space), the earlier the problem appears.
> 
> Here is the output for my program from shortly before it terminates:
> 
> MatrixMode[GL_PROJECTION]
> GC: level  0    gcs(minor)  84  gcs(major)  1
> GC: stack       fefb1ae8        fefc1870        fefd1ae8              30
> GC:  from       f60b1008        f6125b74        f612b128
> GC:    to       f612d008        f612d008        f61a7128
> LoadIdentity ==========>....... args=()
> (IN super-spu-dispatch: spu= #<pointer 911aa70>   () 0)
> ..and super-spu = #<pointer 911aa70>
> LoadIdentity[]
> GC: level  0    gcs(minor)  85  gcs(major)  1
> GC: stack       fefb1ae8        fefc4634        fefd1ae8              30
> GC:  from       f60b1008        f6125ba4        f612b128
> GC:    to       f612d008        f612d008        f61a7128
> Frustum ==========>....... args=(-1.0 1.0 -1.0 1.0 5.0 60.0)
> (IN super-spu-dispatch: spu= #<pointer 911aa70>   (-1.0 1.0 -1.0 1.0 5.0
> 60.0) 6)
> ..and super-spu = #<pointer 911aa70>
> Frustum[-1.0, 1.0, -1.0, 1.0, 5.0, 60.0]
> GC: level  0    gcs(minor)  86  gcs(major)  1
> GC: stack       fefb1ae8        fefb1a5c        fefd1ae8             404
> GC:  from       f60b1008        f6125fa8        f612b128
> GC:    to       f612d008        f612d008        f61a7128
> 
> CR Error(dhcp4-51:21510): "/usr/X11R6/bin/glxgears" terminated with
> uncaught signal=11 (SIGSEGV)
> 

Sorry, this calls for gdb. Can you build *everything* with -g, reproduce
the segfault and send me a backtrace?


cheers,
felix