<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;">> > I've set up mod_tile and renderd. Compiled against mapnik 0.5.1.<br>> > <br>> > renderd works for a bit, but then segfaults. It seems to be a problem with fielding a burst concurrent requrests, but not certain.<br>> > <br>> > Any suggestions on problems to look for?<br>> <br>> What compile options did you use for compiling Mapnik? If you set<br>> THREADING=single then that could be the problem. It might be worth<br>> switching renderd to be single threaded by editing render_config.h to<br>> NUM_THREADS to 1 and recompile.<br><br>I didn't compile Mapnik with any THREADING option .. assume it
defaults to multi?<br><br>Changing NUM_THREADS to 1 and recompiling does prevent segfaults. Doesn't explain the problem though, and I'd like to get multiple threads working, if possible.<br><br>> The code operates fine in multi-threaded mode on the main OSM server<br>> which uses the latest SVN mapnik code.<br>> <br>> If you still run into problems then it would be good to recompile<br>> renderd with debug info by adding -g to the CFLAGS/CXXFLAGS and get a<br>> backtrace from gdb.<br><br>Running renderd in gdb, it segfaults in "fribidi_remove_bidi_marks"<br><br>Thanks<br>-Mikel<br> <br><br><br></div></div></div></body></html>