kernel crash during sanity (Build 2524)

[Vedamurthy Joshi]

3.0 2524 , Both Ubuntu14.04 and Centos65

Per Divakar, this looks due to link local tests which are run during sanity

<4>vr_reinject_packet: from 11 in vrf 11 type 2 data 2 network 16
<4>vr_reinject_packet: from 11 in vrf 11 type 2 data 2 network 16
<4>vr_reinject_packet: from 11 in vrf 0 type 2 data 2 network 16
<1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
<1>IP: [<ffffffffa02fb638>] vr_ip_rcv+0x108/0x340 [vrouter]
<4>PGD 184745d067 PUD 184745c067 PMD 0
<4>Oops: 0000 [#1] SMP
<4>last sysfs file: /sys/devices/system/cpu/online
<4>CPU 0
<4>Modules linked in: iptable_filter ip_tables ebtable_nat ebtables 8021q garp stp llc vrouter(U) ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 vhost_net macvtap macvlan tun kvm_intel kvm iTCO_wdt iTCO_vendor_support acpi_pad igb i2c_algo_bit ixgbe dca ptp pps_core mdio i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
<4>
<4>Pid: 0, comm: swapper Not tainted 2.6.32-431.el6.x86_64 #1 Supermicro X9DRD-7LN4F(-JBOD)/X9DRD-EF/X9DRD-7LN4F
<4>RIP: 0010:[<ffffffffa02fb638>] [<ffffffffa02fb638>] vr_ip_rcv+0x108/0x340 [vrouter]
<4>RSP: 0018:ffff880028203970 EFLAGS: 00010202
<4>RAX: 0000000000000000 RBX: ffff881853d686f8 RCX: 0000000000004000
<4>RDX: ffff880028203b70 RSI: ffff881853d686f8 RDI: 0000000000000001
<4>RBP: ffff8800282039b0 R08: ffff881853d686f8 R09: 0000000000000000
<4>R10: 0000000000000009 R11: 000000000000014c R12: 0000000000000014
<4>R13: 0000000000000014 R14: ffffffffa0309ce0 R15: ffff880028203b70
<4>FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
<4>CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
<4>CR2: 0000000000000050 CR3: 00000018474be000 CR4: 00000000001427e0
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>Process swapper (pid: 0, threadinfo ffffffff81a00000, task ffffffff81a8d020)
<4>Stack:
<4> ffff8800000468a8 ffff881800000006 0000000000000000 ffff881853d686f8
<4><d> ffff8818583612c0 ffff880028203b70 0000000000000002 ffff880028203a30
<4><d> ffff8800282039e0 ffffffffa02f5d68 ffff8830572d1540 ffff881853d686f8
<4>Call Trace:
<4> <IRQ>
<4> [<ffffffffa02f5d68>] nh_l3_rcv+0x78/0x90 [vrouter]
<4> [<ffffffffa02f5fba>] nh_output+0x4a/0x160 [vrouter]
<4> [<ffffffffa02fb9c6>] vr_forward+0x156/0x3d0 [vrouter]
<4> [<ffffffffa02fbfe8>] ? vr_inet_flow_lookup+0x198/0x330 [vrouter]
<4> [<ffffffffa02fbcee>] vr_ip_input+0xae/0xc0 [vrouter]
<4> [<ffffffffa02f73d2>] vr_l3_input+0x52/0x60 [vrouter]
<4> [<ffffffffa02f7ef8>] vr_fabric_input+0xf8/0x140 [vrouter]
<4> [<ffffffffa02f90e6>] eth_rx+0xf6/0x120 [vrouter]
<4> [<ffffffffa02f0b25>] vr_interface_common_hook+0x2c5/0x780 [vrouter]
<4> [<ffffffff810a6177>] ? getnstimeofday+0x57/0xe0
<4> [<ffffffffa02f1001>] vr_interface_bridge_hook+0x11/0x20 [vrouter]
<4> [<ffffffff8145b5c9>] __netif_receive_skb+0x529/0x750
<4> [<ffffffff8145f1b8>] netif_receive_skb+0x58/0x60
<4> [<ffffffff8145f2c0>] napi_skb_finish+0x50/0x70
<4> [<ffffffff81460a29>] napi_gro_receive+0x39/0x50
<4> [<ffffffffa014e6cf>] ixgbe_poll+0x54f/0x12c0 [ixgbe]
<4> [<ffffffff81460b43>] net_rx_action+0x103/0x2f0
<4> [<ffffffff8107a8e1>] __do_softirq+0xc1/0x1e0
<4> [<ffffffff810e6ec0>] ? handle_IRQ_event+0x60/0x170
<4> [<ffffffff8107a93f>] ? __do_softirq+0x11f/0x1e0
<4> [<ffffffff8100c30c>] call_softirq+0x1c/0x30
<4> [<ffffffff8100fa75>] do_softirq+0x65/0xa0
<4> [<ffffffff8107a795>] irq_exit+0x85/0x90
<4> [<ffffffff81530fe5>] do_IRQ+0x75/0xf0
<4> [<ffffffff8100b9d3>] ret_from_intr+0x0/0x11
<4> <EOI>
<4> [<ffffffff812e09be>] ? intel_idle+0xde/0x170
<4> [<ffffffff812e09a1>] ? intel_idle+0xc1/0x170
<4> [<ffffffff814266f7>] cpuidle_idle_call+0xa7/0x140
<4> [<ffffffff81009fc6>] cpu_idle+0xb6/0x110
<4> [<ffffffff8150cbea>] rest_init+0x7a/0x80
<4> [<ffffffff81c26f8f>] start_kernel+0x424/0x430
<4> [<ffffffff81c2633a>] x86_64_start_reservations+0x125/0x129
<4> [<ffffffff81c26453>] x86_64_start_kernel+0x115/0x124
<4>Code: 10 48 85 c0 0f 84 79 01 00 00 f6 40 05 01 74 1b 0f b6 57 09 be 08 00 00 00 80 fa 11 0f 84 9c 00 00 00 80 fa 06 0f 84 90 00 00 00 <4c> 8b 78 50 4d 85 ff 0f 84 4b 01 00 00 f6 43 22 01 0f 84 d1 00
<1>RIP [<ffffffffa02fb638>] vr_ip_rcv+0x108/0x340 [vrouter]
<4> RSP <ffff880028203970>
<4>CR2: 0000000000000050

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/6178
Committed: http://github.org/Juniper/contrail-vrouter/commit/8a12ea171935b98c89466d45fd33924edeae1aeb
Submitter: Zuul
Branch: master

commit 8a12ea171935b98c89466d45fd33924edeae1aeb
Author: Divakar <email address hidden>
Date: Tue Jan 13 02:07:07 2015 -0800

closes-bug:1410147 After subjecting the link local packet to flow processing the packet is given to briding to proceed for packet transmission

Change-Id: I88a13f66c4a960fa34f20962e9963565fc3c4b0c

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/6214
Committed: http://github.org/Juniper/contrail-vrouter/commit/71ce40ddd9ca39014b64f132e2cab21e67e510e8
Submitter: Zuul
Branch: R2.1

commit 71ce40ddd9ca39014b64f132e2cab21e67e510e8
Author: Divakar <email address hidden>
Date: Tue Jan 13 02:07:07 2015 -0800

closes-bug:1410147 After subjecting the link local packet to flow processing the packet is given to briding to proceed for packet transmission

Change-Id: I88a13f66c4a960fa34f20962e9963565fc3c4b0c