Created attachment 284205 [details] emerge --info ntpd crashes on startup until built with USE="-ipv6" or until started with the "-4" command line option. Debug output of manual ntpd call: ntpd -d -n -p /var/run/ntpd.pid -u ntp:ntp ntpd 4.2.6p3@1.2290-o Mon Aug 22 08:59:33 UTC 2011 (1) 22 Aug 11:00:12 ntpd[11922]: proto: precision = 0.146 usec [...] event at 0 0.0.0.0 c012 02 freq_set kernel 77.298 PPM transmit: at 1 188.40.110.137->72.18.205.156 mode 3 len 48 auth_agekeys: at 1 keys 1 expired 0 22 Aug 11:00:14 ntpd[11922]: Deleting interface #21 eth0, 2a01:4f8:100:8843::6#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::6 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #20 lo, ::1#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr ::1 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #19 eth0, 2a01:4f8:100:8843::3#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::3 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #18 eth0, 2a01:4f8:100:8843::7#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::7 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #17 eth0, 2a01:4f8:100:8843::5#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::5 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #16 eth0, 2a01:4f8:100:8843::2#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::2 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: 2607:fc18:dead:beef::9 interface 2a01:4f8:100:8443::2 -> (none) 22 Aug 11:00:14 ntpd[11922]: Deleting interface #15 eth0, 2a01:4f8:100:8843::4#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::4 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #14 eth0, 2a01:4f8:100:8843::9#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::9 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 22 Aug 11:00:14 ntpd[11922]: Deleting interface #13 eth0, 2a01:4f8:100:8843::8#123, interface stats: received=0, sent=0, dropped=0, active_time=1 secs restrict: op 4 addr 2a01:4f8:100:8843::8 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff mflags 00003000 flags 00000001 Segmentation fault (I changed the ipv6 addresses) gdb bt output (ntp built with FEATURES=splitdebug and USE=debug): Program received signal SIGSEGV, Segmentation fault. 0x0000004cf27699c9 in T.275 () (gdb) bt #0 0x0000004cf27699c9 in T.275 () #1 0x0000004cf276a255 in interface_update () #2 0x0000004cf278a9bb in timer () #3 0x0000004cf276da67 in ntpdmain () #4 0x00000381a7cc1cfc in ?? () #5 0x0000000000000000 in ?? () (gdb) My ntp.conf ~ # cat /etc/ntp.conf | grep -vE '^(#|$)' server 0.gentoo.pool.ntp.org server 1.gentoo.pool.ntp.org server 2.gentoo.pool.ntp.org server 3.gentoo.pool.ntp.org driftfile /var/lib/ntp/ntp.drift restrict default nomodify nopeer restrict 127.0.0.1
this still an issue with latest stable versions ? if so, please build ntp with debugging info and get a better backtrace
