[mapserver-users] mapcache_seed segfault when using threading [SEC=UNCLASSIFIED]

[Matthew Doyle]

Hi Steve, Thomas,

Thanks for all the suggestions. I rebuilt MapCache yesterday using the
latest from github, and made sure that each dependency was up to date, so we
are looking at the latest and greatest.

Actions & results:

$ ulimit -c unlimited  (to ensure the core was dumped) 
$ /mapcache/bin/mapcache_seed -c /mapcache/config/meteye_test.xml -t
IDZ71000 -M 8,8 -n 32 -g AUS -z 0,4 -d /mapcache/data/adfd_active_area.shp
-D "TIMESTEP=5" -D "NOWTIME=201210221900"
Segmentation fault (core dumped)
$ gdb -c core.5808 mapcache_seed
(gdb) bt 

#0  0x00007fdb313da786 in apr_palloc () from /usr/lib64/libapr-1.so.0
#1  0x00007fdb313d0b0c in apr_pstrdup () from /usr/lib64/libapr-1.so.0
#2  0x00007fdb313d25fe in apr_table_set () from /usr/lib64/libapr-1.so.0
#3  0x00007fdb315f991d in mapcache_tileset_tile_create (pool=0x1ad0b98,
tileset=0x1b0da30, grid_link=0x1b0dc48) at tileset.c:530
#4  0x00000000004039e3 in seed_worker () at mapcache_seed.c:611
#5  0x0000000000403c62 in seed_thread (thread=0x7fdac4002ec0, data=0x0) at
mapcache_seed.c:658
#6  0x00000035cb807851 in start_thread () from /lib64/libpthread.so.0
#7  0x00000035cb0e76dd in clone () from /lib64/libc.so.6

Does that help? The core was around 300MB.

Best,
Matt




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