​As discussed over email, this issue is fixed.

Thanks,

Anand


________________________________
From: Dev <[email protected]> on behalf of 
[email protected] <[email protected]>
Sent: Thursday, March 12, 2015 1:49 PM
To: dev
Subject: [opencontrail-dev] Contrail2.1-ubuntu12.04-Vrouter-Crash

Hi:
    I have two vrouters on two hosts and when I ping one vm on a host from 
another vm on another host, one vrouter
will crash.
ID: 0      TASK: ffff8802366045c0  CPU: 3   COMMAND: "swapper/3"
 #0 [ffff8802421834c0] machine_kexec at ffffffff8104075a
 #1 [ffff880242183530] crash_kexec at ffffffff810c6ab8
 #2 [ffff880242183600] oops_end at ffffffff816f4f28
 #3 [ffff880242183630] no_context at ffffffff816da829
 #4 [ffff880242183680] __bad_area_nosemaphore at ffffffff816daa0b
 #5 [ffff8802421836e0] bad_area_nosemaphore at ffffffff816daa3d
 #6 [ffff8802421836f0] __do_page_fault at ffffffff816f7de2
 #7 [ffff880242183800] do_page_fault at ffffffff816f7f8e
 #8 [ffff880242183810] page_fault at ffffffff816f4358
    [exception RIP: skb_queue_tail+61]
    RIP: ffffffff815d464d  RSP: ffff8802421838c0  RFLAGS: 00010046
    RAX: 0000000000000286  RBX: ffff880235088fb8  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: 0000000000000286  RDI: ffff880235088fcc
    RBP: ffff8802421838e0   R8: ffff880242183888   R9: 0000000000000000
    R10: 0000000000000004  R11: 0000000000000001  R12: ffff880235088fcc
    R13: ffff880234b1ca00  R14: ffff880233fd3a00  R15: 0000000000000064
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #9 [ffff8802421838e8] linux_enqueue_pkt_for_gro at ffffffffa0339991 [vrouter]
#10 [ffff880242183918] lh_gro_process at ffffffffa0339ff0 [vrouter]
#11 [ffff880242183958] vr_gro_input at ffffffffa03410fa [vrouter]
#12 [ffff880242183968] nh_encap_l2 at ffffffffa033ce83 [vrouter]
#13 [ffff8802421839a8] nh_output at ffffffffa033e52a [vrouter]
#14 [ffff8802421839e8] vr_mpls_input at ffffffffa0346331 [vrouter]
#15 [ffff880242183a48] vr_udp_input at ffffffffa0344db5 [vrouter]
#16 [ffff880242183a98] vr_ip_rcv at ffffffffa0345bee [vrouter]
#17 [ffff880242183ae8] nh_l3_rcv at ffffffffa033d768 [vrouter]
#18 [ffff880242183b18] nh_output at ffffffffa033e52a [vrouter]
#19 [ffff880242183b58] vr_forward at ffffffffa0344895 [vrouter]
#20 [ffff880242183c48] vr_ip_input at ffffffffa0345d0e [vrouter]
#21 [ffff880242183c78] vr_l3_input at ffffffffa0340dd2 [vrouter]
#22 [ffff880242183c88] vr_fabric_input at ffffffffa0340ecd [vrouter]
#23 [ffff880242183cd8] eth_rx at ffffffffa0341877 [vrouter]
#24 [ffff880242183d28] linux_rx_handler at ffffffffa03391f2 [vrouter]
#25 [ffff880242183d88] pkt_rps_dev_rx_handler at ffffffffa0339ee1 [vrouter]
#26 [ffff880242183db8] __netif_receive_skb at ffffffff815e3182
#27 [ffff880242183e28] process_backlog at ffffffff815e3f31
#28 [ffff880242183e78] net_rx_action at ffffffff815e4cd4
#29 [ffff880242183ee8] __do_softirq at ffffffff81062620
#30 [ffff880242183f58] call_softirq at ffffffff816fdd5c
#31 [ffff880242183f70] do_softirq at ffffffff81016775
#32 [ffff880242183f90] irq_exit at ffffffff810628fe
#33 [ffff880242183fa0] smp_call_function_single_interrupt at ffffffff81038b65
#34 [ffff880242183fb0] call_function_single_interrupt at ffffffff816fd81d
--- <IRQ stack> ---
#35 [ffff880236609e18] call_function_single_interrupt at ffffffff816fd81d
    [exception RIP: native_safe_halt+6]
    RIP: ffffffff81045136  RSP: ffff880236609ec8  RFLAGS: 00000246
    RAX: 0000000000000000  RBX: ffffffff81084008  RCX: ffff880242180000
    RDX: ffffffff81c3d680  RSI: 0000000000000000  RDI: 0000000000000092
    RBP: ffff880236609ec8   R8: 0000000000000000   R9: 0000000000000000
    R10: 0000000000000000  R11: 0000000000000000  R12: 000000f7bcfb6fbb
    R13: ffff88024218dc40  R14: 000000010002ea1e  R15: 000000f7e510b700
    ORIG_RAX: ffffffffffffff04  CS: 0010  SS: 0018
#36 [ffff880236609ed0] default_idle at ffffffff8101cc33
#37 [ffff880236609f00] cpu_idle at ffffffff8101dad9

And I want to know what cause this crash and how to solve
________________________________




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