The best course of action is to file a bug in bugzilla.openvz.org. On 07/31/2014 07:26 AM, ml-openvz-e...@kuszelas.eu wrote: > Does anyone else encounter this: > > > [ 1091.907646] kobject_add_internal failed for net with -EEXIST, don't try to > register things with the same name in the same directory. > [ 1092.489883] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000040 > [ 1092.871674] IP: [<ffffffff8136ded1>] __ve_device_subscribe+0x61/0xb0 > [ 1093.181363] PGD 406ead0067 PUD 406f15c067 PMD 0 > [ 1093.406688] Oops: 0000 [#1] SMP > [ 1093.564385] last sysfs file: /sys/devices/virtual/net/lo/operstate > [ 1093.865770] CPU 91 > [ 1093.959093] Modules linked in: vzethdev(U) vznetdev(U) simfs(U) vzrst(U) > nf_nat(U) nf_conntrack_ipv4(U) nf_defrag_ipv4(U) vzcpt(U) nfs(U) nfs_acl(U) > auth_rpcgss(U) fscache(U) lockd(U) sunrpc(U) nf_conntrack(U) vzdquota(U) > vzmon(U) vzdev(U) xt_length(U) xt_hl(U) xt_tcpmss(U) xt_TCPMSS(U) > iptable_mangle(U) iptable_filter(U) xt_multiport(U) xt_limit(U) xt_dscp(U) > ipt_REJECT(U) ip_tables(U) vzevent(U) bridge(U) bonding(U) 8021q(U) garp(U) > stp(U) llc(U) ib_ipoib(U) ib_umad(U) rdma_ucm(U) rdma_cm(U) ib_addr(U) > iw_cm(U) ib_uverbs(U) ib_cm(U) ib_sa(U) ipv6(U) snd_pcsp(U) iTCO_wdt(U) > iTCO_vendor_support(U) snd_pcm(U) snd_page_alloc(U) serio_raw(U) ib_mthca(U) > snd_timer(U) snd(U) lpc_ich(U) hpwdt(U) soundcore(U) mfd_core(U) hpilo(U) > ib_mad(U) ib_core(U) wmi(U) hed(U) power_meter(U) xfs(U) dm_mod(U) sg(U) > sd_mod(U) crc_t10dif(U) qla2xxx(U) scsi_transport_fc(U) scsi_tgt(U) tg3(U) > hwmon(U) ptp(U) pps_core(U) hpsa(U) [last unloaded: scsi_wait_scan] > [ 1098.033395] > [ 1098.106552] Pid: 14000, comm: vzctl veid: 0 Tainted: G W > --------------- 2.6.32 #1 042stab092_2 HP ProLiant DL580 Gen8 > [ 1098.715190] RIP: 0010:[<ffffffff8136ded1>] [<ffffffff8136ded1>] > __ve_device_subscribe+0x61/0xb0 > [ 1099.144851] RSP: 0018:ffff884072b6fc48 EFLAGS: 00010287 > [ 1099.403845] RAX: ffff886071bd8c78 RBX: ffff886071bd8c40 RCX: > 0000000000000000 > [ 1099.752091] RDX: 0000000000000080 RSI: 0000000000000040 RDI: > ffff886071bd8c50 > [ 1100.100247] RBP: ffff884072b6fc68 R08: 0000000000000000 R09: > ffff886071bd8c40 > [ 1100.448698] R10: 00000000fffffffd R11: 0000000000000000 R12: > fffffffffffffff0 > [ 1100.796921] R13: ffff88407fc3a000 R14: 0000000000000000 R15: > 0000000000000006 > [ 1101.140755] FS: 00007f1906d52700(0000) GS:ffff884101000000(0000) > knlGS:0000000000000000 > [ 1101.535966] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1101.816138] CR2: 0000000000000040 CR3: 000000406fbcf000 CR4: > 00000000001407e0 > [ 1102.164918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 1102.513310] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 1102.861672] Process vzctl (pid: 14000, veid: 0, threadinfo > ffff884072b6e000, task ffff8840721223c0) > [ 1103.303916] Stack: > [ 1103.401913] ffff884072b6fc68 ffff88407fc3a000 ffff8860705485e8 > ffff8820729aa458 > [ 1103.754374] <d> ffff884072b6fcb8 ffffffff8136e97d ffff884072b6fcb8 > ffffffff8146b0b5 > [ 1104.128636] <d> ffff884072b6fcb8 ffff886070548020 ffff8840721223c0 > ffffffff81a49ec0 > [ 1104.511827] Call Trace: > [ 1104.631294] [<ffffffff8136e97d>] ve_netdev_add+0xbd/0x1b0 > [ 1104.898834] [<ffffffff8146b0b5>] ? netdev_register_kobject+0x125/0x170 > [ 1105.221376] [<ffffffff81456236>] __dev_change_net_namespace+0x246/0x350 > [ 1105.548326] [<ffffffffa03e0d3c>] real_ve_dev_map+0xfc/0x270 [vzmon] > [ 1105.858521] [<ffffffffa03e1070>] vzcalls_ioctl+0x1c0/0xaa0 [vzmon] > [ 1106.164570] [<ffffffff8116739c>] ? handle_mm_fault+0x21c/0x300 > [ 1106.456103] [<ffffffffa0363020>] ? vzctl_get_handler+0x20/0x100 [vzdev] > [ 1106.784444] [<ffffffffa0363154>] vzctl_ioctl+0x54/0x80 [vzdev] > [ 1107.074044] [<ffffffff811bc81a>] vfs_ioctl+0x2a/0xa0 > [ 1107.320666] [<ffffffff810df041>] ? cgroup_task_migrate+0xb1/0xf0 > [ 1107.618062] [<ffffffff811bce4e>] do_vfs_ioctl+0x7e/0x5a0 > [ 1107.881345] [<ffffffff810df1f8>] ? cgroup_attach_task+0x178/0x210 > [ 1108.182670] [<ffffffff811bd3bf>] sys_ioctl+0x4f/0x80 > [ 1108.428926] [<ffffffff8100b182>] system_call_fastpath+0x16/0x1b > [ 1108.722594] Code: 85 c0 48 89 c3 74 5b 4c 89 e7 4c 89 28 4c 89 60 08 e8 24 > 63 ff ff 48 8d 43 38 49 8d 74 24 50 48 8d 7b 10 48 89 43 38 48 89 43 40 <49> > 8b 54 24 50 e8 65 c0 f2 ff 49 8b 95 c0 01 00 00 49 8d b5 c0 > [ 1109.649252] RIP [<ffffffff8136ded1>] __ve_device_subscribe+0x61/0xb0 > [ 1109.963474] RSP <ffff884072b6fc48> > [ 1110.133486] CR2: 0000000000000040 > [ 1110.295011] Tainting kernel with flag 0x7 > [ 1110.490481] Pid: 14000, comm: vzctl veid: 0 Tainted: G W > --------------- 2.6.32 #1 > [ 1110.945369] Call Trace: > [ 1111.064467] [<ffffffff81073229>] ? add_taint+0x69/0x70 > [ 1111.319298] [<ffffffff81524743>] ? oops_end+0x53/0xf0 > [ 1111.569884] [<ffffffff81518349>] ? no_context+0x1eb/0x216 > [ 1111.837677] [<ffffffff8129008b>] ? put_dec+0x10b/0x110 > [ 1112.092812] [<ffffffff815184e2>] ? __bad_area_nosemaphore+0x16e/0x18d > [ 1112.411168] [<ffffffff8151855b>] ? bad_area+0x45/0x4e > [ 1112.661741] [<ffffffff81047ca3>] ? __do_page_fault+0x3b3/0x490 > [ 1112.950716] [<ffffffff810522c3>] ? __wake_up+0x53/0x70 > [ 1113.205544] [<ffffffff8147e20f>] ? netlink_broadcast+0x1cf/0x4e0 > [ 1113.503142] [<ffffffff81292480>] ? sprintf+0x40/0x50 > [ 1113.749294] [<ffffffff815266cb>] ? do_page_fault+0x3b/0xa0 > [ 1114.020984] [<ffffffff81523ae5>] ? page_fault+0x25/0x30 > [ 1114.280080] [<ffffffff8136ded1>] ? __ve_device_subscribe+0x61/0xb0 > [ 1114.585850] [<ffffffff8136debc>] ? __ve_device_subscribe+0x4c/0xb0 > [ 1114.891819] [<ffffffff8136e97d>] ? ve_netdev_add+0xbd/0x1b0 > [ 1115.168133] [<ffffffff8146b0b5>] ? netdev_register_kobject+0x125/0x170 > [ 1115.490733] [<ffffffff81456236>] ? __dev_change_net_namespace+0x246/0x350 > [ 1115.826104] [<ffffffffa03e0d3c>] ? real_ve_dev_map+0xfc/0x270 [vzmon] > [ 1116.144547] [<ffffffffa03e1070>] ? vzcalls_ioctl+0x1c0/0xaa0 [vzmon] > [ 1116.458722] [<ffffffff8116739c>] ? handle_mm_fault+0x21c/0x300 > [ 1116.747487] [<ffffffffa0363020>] ? vzctl_get_handler+0x20/0x100 [vzdev] > [ 1117.074999] [<ffffffffa0363154>] ? vzctl_ioctl+0x54/0x80 [vzdev] > [ 1117.372174] [<ffffffff811bc81a>] ? vfs_ioctl+0x2a/0xa0 > [ 1117.627077] [<ffffffff810df041>] ? cgroup_task_migrate+0xb1/0xf0 > [ 1117.924431] [<ffffffff811bce4e>] ? do_vfs_ioctl+0x7e/0x5a0 > [ 1118.196182] [<ffffffff810df1f8>] ? cgroup_attach_task+0x178/0x210 > [ 1118.497994] [<ffffffff811bd3bf>] ? sys_ioctl+0x4f/0x80 > [ 1118.752807] [<ffffffff8100b182>] ? system_call_fastpath+0x16/0x1b > [ 1119.055107] ---[ end trace 1cfe8c6d73ddafba ]--- > [ 1119.281215] Kernel panic - not syncing: Fatal exception > > _______________________________________________ > Users mailing list > Users@openvz.org > https://lists.openvz.org/mailman/listinfo/users
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