I have the same error after a few hours pppoe server pppd[]: Fatal signal 6
pppoe links over 70, pppoe-server run in kernel mode option /usr/sbin/pppoe-server -N 1000 -k -L 10.128.19.1 -I bond0.19 -R 10.19.0.1 -S nas1 # uname -a Linux bras-ubnt-01.line-new.ru 3.11.0-19-generic #33~precise1-Ubuntu SMP Wed Mar 12 21:16:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux #lsb_release -rd Description: Ubuntu 12.04.4 LTS Release: 12.04 #tail -F /var/log/syslog ... Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Plugin /usr/lib/pppd/2.4.5/rp-pppoe.so loaded. Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Plugin radius.so loaded. Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: RADIUS plugin initialized. Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Plugin radattr.so loaded. Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: RADATTR plugin initialized. Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: pppd 2.4.5 started by root, uid 0 Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Connected to 00:19:db:d7:a1:da via interface bond0.19 Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: using channel 112 Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Using interface ppp73 Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: Connect: ppp73 <--> bond0.19 Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: sent [LCP ConfReq id=0x1 <mru 1492> <auth chap MD5> <magic 0x50026425>] Apr 23 12:11:02 bras-ubnt-01 pppd[65916]: rcvd [LCP ConfAck id=0x1 <mru 1492> <auth chap MD5> <magic 0x50026425>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP ConfReq id=0x1 <mru 1480> <magic 0x31d71ce4> <pcomp> <accomp> <callback CBCP> <mrru 1614> <endpoint [local:0e.2d.43.e2.da.10.48.5b.b9.60.7e.35.22.b8.53.9c.00.0 0.00.00]>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [LCP ConfRej id=0x1 <pcomp> <accomp> <callback CBCP> <mrru 1614> <endpoint [local:0e.2d.43.e2.da.10.48.5b.b9.60.7e.35.22.b8.53.9c.00.00.00.00]>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP ConfReq id=0x2 <mru 1480> <magic 0x31d71ce4>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [LCP ConfAck id=0x2 <mru 1480> <magic 0x31d71ce4>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [LCP EchoReq id=0x0 magic=0x50026425] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [CHAP Challenge id=0xe8 <64b7fff196cd91425181b18f58412b42aa5b06ef327c>, name = "bras-ubnt-01"] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP Ident id=0x3 magic=0x31d71ce4 "MSRASV5.20"] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP Ident id=0x4 magic=0x31d71ce4 "MSRAS-0-\37777777600\37777777604\37777777614\37777777610\37777777615-\37777777617\37777777612"] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP Ident id=0x5 magic=0x31d71ce4 "\37777777672\37777777746\037\37777777606\37777777703U*G\37777777625H\37777777736\37777777750+\37777777734'm"] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [LCP EchoRep id=0x0 magic=0x31d71ce4] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [CHAP Response id=0xe8 <64f4a028dd8118846c0684bde2e45393>, name = "14111981"] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rc_avpair_gen: received unknown attribute 127 of length 4: 0x7F600000 Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rc_avpair_gen: received unknown attribute 232 of length 1: 0x30 Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: RADATTR plugin wrote 6 line(s) to file /var/run/radattr.ppp73. Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [CHAP Success id=0xe8 ""] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: peer from calling number 00:19:DB:D7:A1:DA authorized Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [IPCP ConfReq id=0x1 <addr 10.128.19.1>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [IPCP ConfReq id=0x6 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-wins 0.0.0.0> <ms-dns2 0.0.0.0> <ms-wins 0.0.0.0>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [IPCP ConfRej id=0x6 <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [IPCP ConfAck id=0x1 <addr 10.128.19.1>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [IPCP ConfReq id=0x7 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [IPCP ConfNak id=0x7 <addr 10.19.0.112> <ms-dns1 10.10.11.100> <ms-dns2 149.62.48.30>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: rcvd [IPCP ConfReq id=0x8 <addr 10.19.0.112> <ms-dns1 10.10.11.100> <ms-dns2 149.62.48.30>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: sent [IPCP ConfAck id=0x8 <addr 10.19.0.112> <ms-dns1 10.10.10.100> <ms-dns2 149.62.48.30>] Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: local IP address 10.128.19.1 Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: remote IP address 10.19.0.112 Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: Fatal signal 6 Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: RADATTR plugin removed file /var/run/radattr.ppp73. Apr 23 12:11:04 bras-ubnt-01 pppd[65916]: Exit. ** Changed in: ppp (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ppp in Ubuntu. https://bugs.launchpad.net/bugs/291743 Title: Fatal signal 6 Status in “ppp” package in Ubuntu: New Bug description: Binary package hint: ppp After upgrading to Itrepid (ppp 2.4.4rel-9ubuntu2 -> 2.4.4rel- 10ubuntu2) it became impossible to create pptp-tunnels. I changed nothing in configuration after upgrade. When I downgrade ppp to 2.4 .4rel-9ubuntu2 everything works fine. The error is "Fatal signal 6". How to track that down? What can it be? The full debug log of session: Oct 31 09:09:59 server pppd[78791]: Plugin radius.so loaded. Oct 31 09:09:59 server pppd[78791]: RADIUS plugin initialized. Oct 31 09:09:59 server pppd[78791]: Plugin radattr.so loaded. Oct 31 09:09:59 server pppd[78791]: RADATTR plugin initialized. Oct 31 09:09:59 server pptp[78791]: Plugin pptp.so loaded. Oct 31 09:09:59 server pptp[78791]: PPTP plugin version 0.7.13 compiled for pppd-2.4.4, linux-2.6.27.2 Oct 31 09:09:59 server pptp[78791]: pppd 2.4.4 started by root, uid 0 Oct 31 09:09:59 server pptp[78791]: using channel 4579 Oct 31 09:09:59 server pptp[78791]: Using interface ppp1 Oct 31 09:09:59 server pptp[78791]: Connect: ppp1 <--> pptp (XXX.XXX.XXX.XXX) Oct 31 09:09:59 server pptp[78791]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x123d78e2> <pcomp> <accomp>] Oct 31 09:09:59 server pptp[78791]: rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x2043406c> <pcomp> <accomp> <callback CBCP>] Oct 31 09:09:59 server pptp[78791]: sent [LCP ConfRej id=0x0 <callback CBCP>] Oct 31 09:09:59 server pptp[78791]: rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x2043406c> <pcomp> <accomp>] Oct 31 09:09:59 server pptp[78791]: sent [LCP ConfAck id=0x1 <mru 1400> <magic 0x2043406c> <pcomp> <accomp>] Oct 31 09:10:02 server pptp[78791]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x123d78e2> <pcomp> <accomp>] Oct 31 09:10:02 server pptp[78791]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x123d78e2> <pcomp> <accomp>] Oct 31 09:10:02 server pptp[78791]: sent [LCP EchoReq id=0x0 magic=0x123d78e2] Oct 31 09:10:02 server pptp[78791]: sent [CHAP Challenge id=0xb4 <7c4cf5ceec08ea00c4f49155a5414e02>, name = "pptpd"] Oct 31 09:10:02 server pptp[78791]: rcvd [LCP Ident id=0x2 magic=0x2043406c "MSRASV5.10"] Oct 31 09:10:02 server pptp[78791]: rcvd [LCP Ident id=0x3 magic=0x2043406c "MSRAS-0-NAME"] Oct 31 09:10:02 server pptp[78791]: rcvd [LCP EchoRep id=0x0 magic=0x2043406c] Oct 31 09:10:02 server pptp[78791]: rcvd [CHAP Response id=0xb4 <d3753acb5ccddf79415040021e69b2f80000000000000000fe276eb935df54fea7dd10479ae45346ac491945899a4fdb00>, name = "some-login"] Oct 31 09:10:02 server pptp[78791]: RADATTR plugin wrote 3 line(s) to file /var/run/radattr.ppp1. Oct 31 09:10:02 server pptp[78791]: sent [CHAP Success id=0xb4 "S=F4F46C682887F63B3EA1184EA72E32FAB155BA50"] Oct 31 09:10:02 server pptp[78791]: sent [IPCP ConfReq id=0x1 <addr XXX.XXX.XXX.XXX>] Oct 31 09:10:02 server pptp[78791]: rcvd [CCP ConfReq id=0x4 <mppe +H -M -S -L -D +C>] Oct 31 09:10:02 server pptp[78791]: sent [CCP ConfReq id=0x1] Oct 31 09:10:02 server pptp[78791]: sent [CCP ConfRej id=0x4 <mppe +H -M -S -L -D +C>] Oct 31 09:10:02 server pptp[78791]: rcvd [IPCP ConfReq id=0x5 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-wins 0.0.0.0> <ms-dns3 0.0.0.0> <ms-wins 0.0.0.0>] Oct 31 09:10:02 server pptp[78791]: sent [IPCP ConfRej id=0x5 <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>] Oct 31 09:10:02 server pptp[78791]: rcvd [IPCP ConfAck id=0x1 <addr XXX.XXX.XXX.XXX>] Oct 31 09:10:02 server pptp[78791]: rcvd [CCP ConfAck id=0x1] Oct 31 09:10:02 server pptp[78791]: rcvd [CCP TermReq id=0x6" C@l\000<\37777777715t\000\000\002\37777777734"] Oct 31 09:10:02 server pptp[78791]: sent [CCP TermAck id=0x6] Oct 31 09:10:02 server pptp[78791]: rcvd [IPCP ConfReq id=0x7 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>] Oct 31 09:10:02 server pptp[78791]: sent [IPCP ConfNak id=0x7 <addr XXX.XXX.XXX.XXX> <ms-dns1 XXX.XXX.XXX.XXX> <ms-dns3 XXX.XXX.XXX.XXX>] Oct 31 09:10:02 server pptp[78791]: rcvd [IPCP ConfReq id=0x8 <addr XXX.XXX.XXX.XXX> <ms-dns1 XXX.XXX.XXX.XXX> <ms-dns3 XXX.XXX.XXX.XXX>] Oct 31 09:10:02 server pptp[78791]: sent [IPCP ConfAck id=0x8 <addr XXX.XXX.XXX.XXX> <ms-dns1 XXX.XXX.XXX.XXX> <ms-dns3 XXX.XXX.XXX.XXX>] Oct 31 09:10:02 server pptp[78791]: found interface eth1 for proxy arp Oct 31 09:10:02 server pptp[78791]: local IP address XXX.XXX.XXX.XXX Oct 31 09:10:02 server pptp[78791]: remote IP address XXX.XXX.XXX.XXX Oct 31 09:10:02 server pptp[78791]: Fatal signal 6 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 09:10:02 server pptp[78791]: RADATTR plugin removed file /var/run/radattr.ppp1. Oct 31 09:10:02 server pptp[78791]: Exit. lsb_release -rd Description: Ubuntu 8.10 Release: 8.10 apt-cache policy ppp ppp: Installed: 2.4.4rel-10ubuntu2 Candidate: 2.4.4rel-10ubuntu2 Version table: *** 2.4.4rel-10ubuntu2 0 500 http://ua.archive.ubuntu.com intrepid/main Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ppp/+bug/291743/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp