My OVZ server printed an EIP late last night when I ran my ip6tables script. I'm no kernel hacker but thought someone on this list may want to know. My ip6tables command on both the HN and VE stopped working at the same time. for example 'ip6tables -P INPUT DROP' just hangs but iptables (IPv4) still works. Havn't rebooted yet in case I can help debug something.
baikonour:/etc/init.d# uname -a Linux baikonour 2.6.18-028test010.1-ovz-smp #1 SMP Fri Jan 12 22:20:35 CET 2007 i686 GNU/Linux baikonour:~# ip6tables -V ip6tables v1.3.6 baikonour:~# cat /proc/version Linux version 2.6.18-028test010.1-ovz-smp ([EMAIL PROTECTED]) (gcc version 3.3.5 (Debian 1:3.3.5-13)) #1 SMP Fri Jan 12 22:20:35 CET 2007 baikonour:~# vzctl --version vzctl version 3.0.14-1dso31.2 --- syslog messages follow --- Mar 11 02:49:58 baikonour kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 Mar 11 02:49:58 baikonour kernel: printing eip: Mar 11 02:49:58 baikonour kernel: e0b2abe3 Mar 11 02:49:58 baikonour kernel: *pde = 00000000 Mar 11 02:49:58 baikonour kernel: Oops: 0000 [#1] Mar 11 02:49:58 baikonour kernel: SMP Mar 11 02:49:58 baikonour kernel: Modules linked in: ip6t_LOG ip6table_filter ip6_tables bridge llc xt_mac ipt_LOG xt_state iptable_nat nfs lockd sunrpc simfs vznetdev vzethdev vzrst ip_nat vzcpt ip_conntrack vzdquota vzmon vzdev xt_tcpudp xt_length ipt_ttl xt_tcpmss ipt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit ipt_tos ipt_REJECT ip_tables x_tables af_packet i2c_piix4 i2c_core shpchp uhci_hcd usbcore 3c59x mii ide_cd cdrom Mar 11 02:49:58 baikonour kernel: CPU: 1, VCPU: 101.0 Mar 11 02:49:58 baikonour kernel: EIP: 0060:[<e0b2abe3>] Not tainted VLI Mar 11 02:49:58 baikonour kernel: EFLAGS: 00010286 (2.6.18-028test010.1-ovz-smp #1) Mar 11 02:49:58 baikonour kernel: EIP is at xt_find_table_lock+0x43/0xe0 [x_tables] Mar 11 02:49:58 baikonour kernel: eax: c5fae800 ebx: 0000000a ecx: 00000000 edx: dca9b000 Mar 11 02:49:58 baikonour kernel: esi: 00000050 edi: 00000040 ebp: bf940260 esp: cbb91dac Mar 11 02:49:58 baikonour kernel: ds: 007b es: 007b ss: 0068 Mar 11 02:49:58 baikonour kernel: Process ip6tables (pid: 31695, veid: 101, ti=cbb90000 task=c5fae800 task.ti=cbb90000) Mar 11 02:49:58 baikonour kernel: Stack: bf940260 cbb91f1c 00000040 00000040 bf940260 e0c21b85 0000000a cbb91e94 Mar 11 02:49:58 baikonour kernel: 00000020 c0198c0d cbb91de4 00000000 dcc5ae44 b7f91000 b7f91000 c0164f02 Mar 11 02:49:58 baikonour kernel: dcc5ae40 00000007 00000000 c140bcb4 00000000 00000000 c9a1f600 b7f91000 Mar 11 02:49:58 baikonour kernel: Call Trace: Mar 11 02:49:58 baikonour kernel: [<e0c21b85>] do_ip6t_get_ctl+0x135/0x310 [ip6_tables] Mar 11 02:49:58 baikonour kernel: [<c0198c0d>] touch_atime+0x7d/0xe0 Mar 11 02:49:58 baikonour kernel: [<c0164f02>] zap_pte_range+0x102/0x300 Mar 11 02:49:58 baikonour kernel: [<c02b3373>] prio_tree_remove+0x83/0x100 Mar 11 02:49:58 baikonour kernel: [<c015b632>] prep_new_page+0x112/0x1d0 Mar 11 02:49:58 baikonour kernel: [<c01414d8>] change_slab_charged+0x108/0x130 Mar 11 02:49:58 baikonour kernel: [<c0492479>] nf_sockopt+0xc9/0x140 Mar 11 02:49:58 baikonour kernel: [<c0492568>] nf_getsockopt+0x38/0x40 Mar 11 02:49:58 baikonour kernel: [<c04eee18>] ipv6_getsockopt+0xe8/0x110 Mar 11 02:49:58 baikonour kernel: [<c04724a3>] sock_common_getsockopt+0x33/0x40 Mar 11 02:49:58 baikonour kernel: [<c046fa59>] sys_getsockopt+0x69/0xc0 Mar 11 02:49:58 baikonour kernel: [<c0470159>] sys_socketcall+0x229/0x260 Mar 11 02:49:58 baikonour kernel: [<c01158a0>] do_page_fault+0x0/0x510 Mar 11 02:49:58 baikonour kernel: [<c010311f>] syscall_call+0x7/0xb Mar 11 02:49:58 baikonour kernel: Code: 89 f0 29 d8 8d 04 c2 e8 5c 08 9e df 85 c0 ba fc ff ff ff 75 69 89 e0 25 00 e0 ff ff 8b 00 8b 90 8c 05 00 00 8b 8c da f8 08 00 00 <8b> 01 8d 74 26 00 8d 94 16 f8 08 00 00 39 d1 74 6d 89 34 24 89 Mar 11 02:49:58 baikonour kernel: EIP: [<e0b2abe3>] xt_find_table_lock+0x43/0xe0 [x_tables] SS:ESP 0068:cbb91dac --- end of relevant syslog entries --- If I can provide you with any more relevant information to help let me know. Or if I'm just retarded and broke it myself by setting the wrong limits (quite possible) sorry! -Stuart -- Stuart MacIntosh IT Consultancy & Technical Services Phone: +64 21 2259576 Email: [EMAIL PROTECTED] _______________________________________________ Users mailing list [email protected] https://openvz.org/mailman/listinfo/users
