Can you disable Mod_security for a while? I had trouble before with httpd 2.4 and mod_security, one of the rules (DNS query) as breaking everything in about 30 seconds on start.
If there's no crash after disabling mod_sec, re-enable and start by disabling all rules and enable one by one. On Thu, Jul 20, 2017 at 11:33 AM, Bruno Dorchain <bruno.dorch...@gmail.com> wrote: > We got the following crash when under load: > *** Error in `/usr/sbin/httpd': double free or corruption (!prev): > 0x00007f19a010cf80 *** > ======= Backtrace: ========= > /lib64/libc.so.6(+0x7c503)[0x7f19ce15c503] > /lib64/libapr-1.so.0(apr_pool_destroy+0x1a7)[0x7f19ce8da2d7] > /lib64/libapr-1.so.0(apr_pool_destroy+0x55)[0x7f19ce8da185] > /etc/httpd/modules/mod_ssl.so(+0x164d0)[0x7f19c89844d0] > /etc/httpd/modules/mod_ssl.so(+0x1307a)[0x7f19c898107a] > /usr/sbin/httpd(ap_process_request_after_handler+0x5d)[0x7f19cfc3766d] > /usr/sbin/httpd(ap_process_request+0x14)[0x7f19cfc382e4] > /usr/sbin/httpd(+0x52c32)[0x7f19cfc34c32] > /usr/sbin/httpd(ap_run_process_connection+0x40)[0x7f19cfc2cc90] > /etc/httpd/modules/mod_mpm_event.so(+0x6bf5)[0x7f19cc9f1bf5] > /lib64/libpthread.so.0(+0x7dc5)[0x7f19ce6acdc5] > /lib64/libc.so.6(clone+0x6d)[0x7f19ce1d776d] > > May be linked to "ModSecurity: collection_retrieve_ex: Failed deleting > collection (name ..." appearing on a regular basis. > > Any hint to troubleshoot that? > > Thanks > -- [ ]'s Filipe Cifali Stangler
