Hi, 2013/4/17 Miroslav Talasek <miroslav.talasek at seznam.cz>: > we can cut contours by polygon but sigsegv is result :( > > here is some debug please could you fill a new ticket [1] and to attach sample data for which `v.overlay` crashes? Martin [1] http://trac.osgeo.org/grass/wiki/WikiStart#BugTracking