Got nixio.so rebuilt with symbols, segfault is in luci/libs/nixio/src/nixio.c:
/* entry point */
NIXIO_API int luaopen_nixio(lua_State *L) {
/* create metatable */
luaL_newmetatable(L, NIXIO_META); // XXX segfault here
On Sun, Mar 17, 2013 at 1:12 PM, Catalin Patulea <[email protected]> wrote:
> I'm running r35995 and seeing uhttpd segfault at startup when the Lua
> handler is enabled:
>
> # /usr/sbin/uhttpd -f -h /www -r gate -l /
> luci -L /usr/lib/lua/luci/sgi/uhttpd.lua -t 60 -T 30 -A 1 -n 3 -p 0.0.0.0:80
> Segmentation fault
>
> I ran it under gdbserver, here's a backtrace:
> (gdb) bt
> #0 0x00000000 in ?? ()
> #1 0x77e6c18c in luaopen_nixio () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/lua/nixio.so
> #2 0x77ebb888 in luaD_precall () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #3 0x77ebba40 in luaD_call () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #4 0x77eb65e8 in lua_call () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #5 0x77ed6d44 in ll_require () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #6 0x77ebb888 in luaD_precall () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #7 0x77ec8e84 in luaV_execute () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #8 0x77ebba58 in luaD_call () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #9 0x77eb65e8 in lua_call () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #10 0x77ed6d44 in ll_require () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #11 0x77ebb888 in luaD_precall () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #12 0x77ec8e84 in luaV_execute () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #13 0x77ebba58 in luaD_call () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #14 0x77ebaae0 in luaD_rawrunprotected () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #15 0x77ebbca4 in luaD_pcall () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #16 0x77eb66b8 in lua_pcall () from
> staging_dir/target-mips_r2_uClibc-0.9.33.2/root-ar71xx/usr/lib/liblua.so.5.1.5
> #17 0x77eed178 in uh_lua_state_init () at
> /mnt/shared/openwrt/build_dir/target-mips_r2_uClibc-0.9.33.2/uhttpd-2013-01-22/lua.c:168
> #18 lua_plugin_init (o=<optimized out>, c=<optimized out>)
> at
> /mnt/shared/openwrt/build_dir/target-mips_r2_uClibc-0.9.33.2/uhttpd-2013-01-22/lua.c:292
> #19 0x00402150 in main (argc=20, argv=0x0) at
> /mnt/shared/openwrt/build_dir/target-mips_r2_uClibc-0.9.33.2/uhttpd-2013-01-22/main.c:375
>
> I looked around, there's something about module imports being done
> differently in Lua 5.1, but I'm not sure how exactly it applies to
> uhttpd:
> http://forum.luahub.com/index.php?topic=2569.0
>
> Any ideas or additional information I can provide?
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