Hello List, I have a Problem on a Centos 6.4 64 Bit System running RPM Package squid-3.3.11-1.el6.x86_64.rpm My squid.conf: <snip> http_port 172.25.254.50:80 http_port 127.0.0.1:3128 hierarchy_stoplist cgi-bin ? visible_hostname blbla.domain.local coredump_dir /var/spool/squid ignore_unknown_nameservers off high_memory_warning 3000 MB cachemgr_passwd mysecret all cache_mgr root@localhost memory_pools off cache_mem 1024 MB cache_swap_low 90 cache_swap_high 95 cache_effective_user squid cache_dir ufs /var/spool/squid 200000 16 256 access_log /var/log/squid/access.log squid cache_log /var/log/squid/cache.log cache_store_log /var/log/squid/store.log pid_filename /var/log/squid/squid.pid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern . 0 20% 4320 append_domain .domain.local acl localhost src 127.0.0.1/32 ::1 acl internal_if src 172.25.254.50/32 acl user1 src 172.25.63.152/32 172.25.63.134/32 172.25.33.238/32 172.25.33.21/32 acl to_localhost dst ::1 acl to_ipv6 dst ipv6 acl SSL_ports port 443 # acl SSL_ports port 7001 # acl SSL_ports port 7010 # acl SSL_ports port 8443 # acl SSL_ports port 9443 # acl SSL_ports port 12120 # acl SSL_ports port 54401 # acl Safe_ports port 21 # ftp acl Safe_ports port 70 # gopher acl Safe_ports port 80 # http acl Safe_ports port 81 # http acl Safe_ports port 85 # acl Safe_ports port 86 # acl Safe_ports port 210 # wais acl Safe_ports port 280 # http-mgmt acl Safe_ports port 443 # https acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl Safe_ports port 1025-65535 # unregistered ports acl ftp proto FTP acl ftp_port port 21 acl ftp_port port 2121 acl CONNECT method CONNECT acl QUERY urlpath_regex cgi-bin \? acl snmppublic snmp_community public acl swf-files urlpath_regex -i \.swf$ acl purge method PURGE acl apache rep_header Server ^Apache http_access deny to_ipv6 !all http_access allow purge localhost internal_if http_access allow manager localhost http_access allow ftp_port CONNECT http_access deny !Safe_ports http_access deny CONNECT !SSL_ports cache deny QUERY http_access allow localhost http_access deny all http_reply_access allow all always_direct allow swf-files redirect_program /usr/bin/squidguard -c /etc/squid/squidguard.conf redirect_children 300 icp_access deny all snmp_port 3401 snmp_access allow snmppublic kerpsys snmp_access allow snmppublic localhost snmp_access deny all snmp_incoming_address 0.0.0.0 snmp_outgoing_address 255.255.255.255 reply_header_max_size 700 KB broken_posts allow localhost vary_ignore_expire on detect_broken_pconn on ftp_epsv_all on ftp_epsv off ftp_passive on delay_pool_uses_indirect_client on log_uses_indirect_client on icap_enable on icap_send_client_ip on icap_send_client_username on icap_client_username_header X-Authenticated-User icap_service service_req reqmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav adaptation_access service_req allow all icap_service service_resp respmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav adaptation_access service_resp allow all <snip> The cache restarts unregular times: <snip> 2013/12/18 16:06:14 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:06:50 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:09:39 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:16:14 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:16:49 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:19:39 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:26:13 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:26:50 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:29:39 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:36:13 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:36:49 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:39:38 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:46:14 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:46:50 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:49:39 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:56:14 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:56:50 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" 2013/12/18 16:59:39 kid1| assertion failed: Server.cc:245: "r->body_pipe != NULL" <snip> Tried to find with multitail in parallel accessing cache.log and access.log what has been accessed when the cache restarts - but I'll find different URL's. Any hints or tips on <snip> assertion failed: Server.cc:245: "r->body_pipe != NULL" <snip> ? Cheers, ku -- Luke blows up his first TIE fighter. Luke Skywalker: Got 'im! I got 'im! Han Solo: Great, kid! Don't get cocky!