On Wed, 7 Sep 2005, felix winkelmann wrote: > On 9/7/05, Daniel B. Faken <[EMAIL PROTECTED]> wrote: > > > It is *not* reaching the callback-return-continuation (I inserted a > > printf in there). > > Also, if I compile the code [and eval (load "foo.so") instead of > > (load "foo.scm")], I have no problems.. > > > > On Wed, 7 Sep 2005, Daniel B. Faken wrote: > > [snip] > > > Its been very hard to track down what is causing this; all I can say is > > > that it is affected by calls to (print) in the called-back scheme > > > function. Specifically, if I print some of the parameters I'm passing via > > > C_callback(). > > > > A clarification: it crashes if I print parameters *multiple times*. > > If I remove some of the print statements, there is no problem. > > > > Do you have nested callbacks?
I call from C->Scheme->C, but thats it. (I'm using Scheme to filter the C commands -- and the only filtering I'm actually doing here is to print them to stdout (see below)) > Also try (set-gc-report! ...), it is possible that the more code executes > (consumes stack-space), the earlier the problem appears. What should I look for? 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) - Daniel _______________________________________________ Chicken-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/chicken-users
