Hello Rob, here the Backtrace I got from gdb
gdb httpd GNU gdb (GDB) 7.9.1 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "arm-poky-linux-gnueabi". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from httpd...(no debugging symbols found)...done. (gdb) run -X -e debug -k start Starting program: /usr/sbin/httpd -X -e debug -k start warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. [Tue Mar 01 08:13:03.030657 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authn_file_module from /usr/lib/apache2/modules/mod_authn_file.so [Tue Mar 01 08:13:03.079515 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authn_core_module from /usr/lib/apache2/modules/mod_authn_core.so [Tue Mar 01 08:13:03.132191 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authz_host_module from /usr/lib/apache2/modules/mod_authz_host.so [Tue Mar 01 08:13:03.184107 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authz_groupfile_module from /usr/lib/apache2/modules/mod_authz_groupfile.so [Tue Mar 01 08:13:03.234788 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authz_user_module from /usr/lib/apache2/modules/mod_authz_user.so [Tue Mar 01 08:13:03.291208 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module authz_core_module from /usr/lib/apache2/modules/mod_authz_core.so [Tue Mar 01 08:13:03.346248 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module access_compat_module from /usr/lib/apache2/modules/mod_access_compat.so [Tue Mar 01 08:13:03.403987 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module auth_basic_module from /usr/lib/apache2/modules/mod_auth_basic.so [Tue Mar 01 08:13:03.462869 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module socache_shmcb_module from /usr/lib/apache2/modules/mod_socache_shmcb.so [Tue Mar 01 08:13:03.524206 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module reqtimeout_module from /usr/lib/apache2/modules/mod_reqtimeout.so [Tue Mar 01 08:13:03.587161 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module filter_module from /usr/lib/apache2/modules/mod_filter.so [Tue Mar 01 08:13:03.670177 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module deflate_module from /usr/lib/apache2/modules/mod_deflate.so [Tue Mar 01 08:13:03.737604 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module mime_module from /usr/lib/apache2/modules/mod_mime.so [Tue Mar 01 08:13:03.811455 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module log_config_module from /usr/lib/apache2/modules/mod_log_config.so [Tue Mar 01 08:13:03.878182 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module env_module from /usr/lib/apache2/modules/mod_env.so [Tue Mar 01 08:13:03.952743 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module headers_module from /usr/lib/apache2/modules/mod_headers.so [Tue Mar 01 08:13:04.024100 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module setenvif_module from /usr/lib/apache2/modules/mod_setenvif.so [Tue Mar 01 08:13:04.096323 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module version_module from /usr/lib/apache2/modules/mod_version.so [Tue Mar 01 08:13:04.594068 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module nss_module from /usr/lib/apache2/modules/libmodnss.so [Tue Mar 01 08:13:04.687089 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module mpm_prefork_module from /usr/lib/apache2/modules/mod_mpm_prefork.so [Tue Mar 01 08:13:04.773117 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module unixd_module from /usr/lib/apache2/modules/mod_unixd.so [Tue Mar 01 08:13:04.862035 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module status_module from /usr/lib/apache2/modules/mod_status.so [Tue Mar 01 08:13:04.956650 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module autoindex_module from /usr/lib/apache2/modules/mod_autoindex.so [Tue Mar 01 08:13:05.046425 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module dir_module from /usr/lib/apache2/modules/mod_dir.so [Tue Mar 01 08:13:05.140571 2016] [so:debug] [pid 588] mod_so.c(266): AH01575: loaded module alias_module from /usr/lib/apache2/modules/mod_alias.so [58887.850679] TCP: request_sock_TCP: Possible SYN flooding on port 443. Dropping request. Check SNMP counters. Program received signal SIGSEGV, Segmentation fault. 0x76b366dc in ?? () from /usr/lib/libssl3.so (gdb) where #0 0x76b366dc in ?? () from /usr/lib/libssl3.so #1 0x769ac830 in PR_CallOnceWithArg () from /usr/lib/libnspr4.so #2 0x769ac830 in PR_CallOnceWithArg () from /usr/lib/libnspr4.so #3 0x76b359ac in ?? () from /usr/lib/libssl3.so Backtrace stopped: previous frame identical to this frame (corrupt stack?) (gdb) Best regards, Oliver On Mon, Feb 29, 2016 at 4:42 PM, Oliver Graute <[email protected]> wrote: > On 29/02/16, Rob Crittenden wrote: >> Oliver Graute wrote: >> > On 26/02/16, Rob Crittenden wrote: >> >> >> >> If you could build NSS with debugging we would be able to see where it >> >> is failing. I'm not sure where your package is coming from but IIRC to >> >> build with debug you can pass in something at build time, like BUILD_OPT=0 >> > >> > i'am using this yocto recipe: >> > >> > https://git.yoctoproject.org/cgit.cgi/poky/plain/meta/recipes-support/nss/nss_3.21.bb >> > >> > I changed the option >> > >> > BUILD_OPT=0 >> > >> > and rebuild the lib, how can I see the debug stuff? >> >> I'd suggest generating new core then open that in gdb. With the updated >> NSS you should have more details on where it crashed. > > ok I generated a new core and debugged it with gdb. > > But i'am a bit stucked here because my gdb can't do thread debugging > > Unable to find libthread_db matching inferior's thread library, thread > debugging will not be available > > I already added > > add-auto-load-safe-path /lib/libthread_db-1.0.so > > to my .gdbinit to fix that, but no success. > > all my gdb says is: > > Program received signal SIGSEGV, Segmentation fault. > 0x76b366dc in ?? () from /usr/lib/libssl3.so > > Best Regards, > > Oliver _______________________________________________ Mod_nss-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/mod_nss-list
