I also have g.region -p crashing for about 2 weeks, cannot run tcltk GUI and wxpython GUI because of that.
it does not say anything, on the segfault sentence... 2008/7/21 Maciej Sieczka <[EMAIL PROTECTED]>: > Glynn Clements pisze: >> >> Maciej Sieczka wrote: > >>> I have just noticed that g.region -g or -p crashes in a latlon >>> location. Example: > >>> 0x00007f33d130f69e in sincos (val=0.90594848802138783, >>> sin_val=0x7fffda923030, cos_val=0x7fffda923028) at GDapi.c:6265 6265 >>> *sin_val = sin(val); (gdb) bt #0 0x00007f33d130f69e in >>> sincos (val=0.90594848802138783, sin_val=0x7fffda923030, >>> cos_val=0x7fffda923028) at GDapi.c:6265 #1 0x00007f33d130f6a3 in >>> sincos (val=0.90594848802138783, sin_val=0x7fffda923060, >>> cos_val=0x7fffda923058) at GDapi.c:6265 #2 0x00007f33d130f6a3 in >>> sincos (val=0.90594848802138783, sin_val=0x7fffda923090, >>> cos_val=0x7fffda923088) at GDapi.c:6265 > >>> (The whole backtrace is all very long.) > >> When you say "very long", is it actually finite? Or did you give up before >> reaching the end? > > The latter. After reaching line #5473 in gdb I gave up. > >> Because the line which the debugger shows: > >>> 6265 *sin_val = sin(val); > >> doesn't appear to be a recursive call, but the backtrace indicates an >> infinite "direct" recursion (i.e. the function calls itself with exactly >> the same arguments). >> >> My guess is that the saved frame pointer is actually pointing to the >> current frame, i.e. a linked list where "p->next == p". >> >> In any case, this doesn't help identify the real problem. Can you >> step through the g.region code from the beginning and find where in >> g.region (or the GRASS libraries) that it's going out of control? > > If you can tell how to do it I'd try. > > Can you reproduce the crash? Anybody else? > > Maciek > > P.S. > > Here's GRASS debug output. Maybe it helps some: > > D2/10: G__read_Cell_head > D2/10: G__read_Cell_head_array > D3/10: region item: proj: 3 > D3/10: region item: zone: 0 > D3/10: region item: north: 51N > D3/10: region item: south: 50N > D3/10: region item: east: 16E > D3/10: region item: west: 15E > D3/10: region item: cols: 1 > D3/10: region item: rows: 1 > D3/10: region item: e-w resol: 1 > D3/10: region item: n-s resol: 1 > D3/10: region item: top: 1 > D3/10: region item: bottom: 0 > D3/10: region item: cols3: 1 > D3/10: region item: rows3: 1 > D3/10: region item: depths: 1 > D3/10: region item: e-w resol3: 1 > D3/10: region item: n-s resol3: 1 > D3/10: region item: t-b resol: 1 > D3/10: G_adjust_Cell_head: epsilon_ns: 0.001, epsilon_ew: 1e-06 > D2/10: G__read_Cell_head > D2/10: G__read_Cell_head_array > D3/10: region item: proj: 3 > D3/10: region item: zone: 0 > D3/10: region item: north: 52:00:01.5N > D3/10: region item: south: 50:59:58.5N > D3/10: region item: east: 17:00:01.5E > D3/10: region item: west: 14:59:58.5E > D3/10: region item: cols: 2401 > D3/10: region item: rows: 1201 > D3/10: region item: e-w resol: 0:00:03 > D3/10: region item: n-s resol: 0:00:03 > D3/10: region item: top: 1 > D3/10: region item: bottom: 0 > D3/10: region item: cols3: 2401 > D3/10: region item: rows3: 1201 > D3/10: region item: depths: 1 > D3/10: region item: e-w resol3: 0:00:03 > D3/10: region item: n-s resol3: 0:00:03 > D3/10: region item: t-b resol: 1 > D3/10: G_adjust_Cell_head: epsilon_ns: 8.32639e-07, epsilon_ew: 1e-06 > D3/10: G_adjust_Cell_head: epsilon_ns: 8.32639e-07, epsilon_ew: 1e-06 > Segmentation fault > > -- > Maciej Sieczka > www.sieczka.org > _______________________________________________ > grass-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-dev > -- Yann Chemin International Rice Research Institute Office: http://www.irri.org/gis Perso: http://www.freewebs.com/ychemin _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
