[ 71.206470] Unable to handle kernel NULL pointer dereference at virtual address 00000054 [ 71.214628] pgd = c0004000 [ 71.217349] [00000054] *pgd=00000000 [ 71.220954] Internal error: Oops: 5 [#1] SMP ARM [ 71.225590] Modules linked in: [ 71.228672] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.5.1_OVH_NAS #4 [ 71.235229] Hardware name: Marvell Armada 375 (Device Tree) [ 71.240826] task: c056f7c0 ti: c056a000 task.ti: c056a000 [ 71.246257] PC is at mvpp2_txq_bufs_free+0xa4/0xcc [ 71.251071] LR is at mvpp2_txq_bufs_free+0x70/0xcc [ 71.255884] pc : [] lr : [] psr: 80000113 [ 71.255884] sp : c056bad0 ip : 00000400 fp : 00000000 [ 71.267412] r10: 00000002 r9 : 00000000 r8 : c0570b84 [ 71.272659] r7 : ee08bd00 r6 : 0000000e r5 : 00000000 r4 : ff7ea960 [ 71.279214] r3 : 0000002d r2 : 0000002c r1 : 53006963 r0 : ee08b800 [ 71.285771] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 71.292938] Control: 10c5387d Table: 2c99404a DAC: 00000051 [ 71.298708] Process swapper/0 (pid: 0, stack limit = 0xc056a218) [ 71.304740] Stack: (0xc056bad0 to 0xc056c000) [ 71.309119] bac0: 000005a8 0000008e 0000000e ff7ea960 [ 71.317335] bae0: eea20250 eea3b000 ee08bd00 eea3b8c0 0003e58a c02dd768 00000010 ee0888d0 [ 71.325552] bb00: eea20250 ee08b800 ff7ea960 ed90bd00 00000002 c02e1768 00000001 00000000 [ 71.333768] bb20: c056d778 00000002 ee00ed00 c0570b84 eea20250 c05f57c0 ff7ea960 00000007 [ 71.341985] bb40: ee084b60 ff7ea960 ee08b800 ee08b840 ed90b400 eac827c0 ed90bd00 ee08b854 [ 71.350201] bb60: ee08b800 c056d780 c056d778 c033f6e0 edc9acf0 c033f330 00000000 00000000 [ 71.358417] bb80: eea3b8c0 c056bbbc 93bd0ee5 1447174c 00000000 edce1800 eea3b8c0 edce1868 [ 71.366634] bba0: ed834d00 00000000 eea3b8c0 ee08b800 ee00ed00 c035aadc edc9acf0 00000010 [ 71.374849] bbc0: edc9acf0 edce1800 00000000 ee08b800 00000000 eea3b8c0 edce1868 c033fab4 [ 71.383066] bbe0: edce1868 00000001 eea954b8 fffffff4 edcd7ca4 edc9acf0 edcd7c00 00000000 [ 71.391281] bc00: 0000000e 0000a400 00000010 c0369250 c036b534 2b332e0a eafa80c0 edc9acf0 [ 71.399497] bc20: 00000000 00000000 0000a400 02080020 c056e974 c0382710 00000002 00000000 [ 71.407713] bc40: 00000000 ffffa683 06ce23a6 00000000 edc9ac40 eafa80c0 00007209 00000834 [ 71.415928] bc60: 00000834 000005a8 00003890 c0382d84 ffffa683 ffffa683 00000000 00000000 [ 71.424146] bc80: c056e974 00000005 00000014 00000001 000346db 00009880 00003890 c056c100 [ 71.432363] bca0: c0568c40 eafa80c0 ed834d00 ead13a64 00000000 eafa80c0 00000000 eafa80c0 [ 71.440578] bcc0: 00000001 c0383cb8 02080020 eafa80c0 eafa80c0 c037f46c 00000000 c056c100 [ 71.448793] bce0: 00000000 00000000 ed834d00 ed834d00 eafa80c0 eafc0f80 00000000 eafa80c0 [ 71.457009] bd00: 00000000 c0387bd4 ed834d00 c05893c0 eafa8124 c038a0f0 00000002 71332e0a [ 71.465226] bd20: 00000000 ed834d00 c05893c0 ee08b85c 00000001 c0389550 71332e0a 00000016 [ 71.473443] bd40: 00000002 c041bf54 ed834d00 c056e4e0 c05893c0 ed834d00 00000008 ee08b85c [ 71.481660] bd60: 00000001 c0365d60 c0365cc4 ed834d00 c056ea90 ee08b848 ee08b800 c033abd8 [ 71.489876] bd80: 66538b50 00000010 ff9976b0 1447173b f51c40e3 ed834d00 ee08bd28 c056d778 [ 71.498092] bda0: ed834d00 00000000 00000037 12834510 edce9000 eea204d0 ee08b800 c033cce4 [ 71.506308] bdc0: 93bc669d 1447174c ed834d00 00000000 00000037 12834510 edce9000 00000003 [ 71.514524] bde0: ed834d00 c033da5c ee08bd00 ee9dd694 ee9dd6b8 c02dbf50 00000000 eedd0c40 [ 71.522741] be00: eedd0c40 00000001 ee08bd00 ed834d00 ee08b800 00000044 00000001 c056a000 [ 71.530956] be20: ed834d00 00000001 00000042 00000040 00000001 00000000 c056bdf8 ee08bd28 [ 71.539172] be40: eeb10700 2ac7b000 eeb10688 ee08bd28 00000001 ffffa685 0000012c c056c100 [ 71.547387] be60: 00000040 c056be88 2e868000 c033d36c 00000000 eedd14c0 c05694c0 c058eb4a [ 71.555604] be80: c056d778 c056d778 c056be88 c056be88 c056be90 c056be90 00000003 00000000 [ 71.563821] bea0: 00000003 c056c08c c056a000 c056c080 00000100 c056c080 40000003 c0025cb0 [ 71.572038] bec0: eedd0c40 eeb10600 c056bec0 c058f700 0000000a ffffa684 c056c100 00200000 [ 71.580253] bee0: c056c4a0 c05661c4 00000000 00000000 00000001 ee805000 f0803100 c056c4a0 [ 71.588469] bf00: 00000000 c0026028 c05661c4 c005e800 c057c840 c056cf98 f080210c c056bf48 [ 71.596686] bf20: f0802100 c0009508 c001080c c0010810 60000013 ffffffff c056bf7c c056bfa0 [ 71.604902] bf40: c056a000 c0013dd4 00000001 00000000 00000000 c001cea0 00000000 c056c44c [ 71.613118] bf60: c056c498 c056c498 c056bfa0 c056a000 c056c4a0 00000000 2e868000 c056bf98 [ 71.621335] bf80: c001080c c0010810 60000013 ffffffff 00000051 c056c498 00000000 c0055fd0 [ 71.629550] bfa0: c03ec920 c0568248 c05652ec c058e9d1 00000000 ffffffff 00000000 c0526cb0 [ 71.637766] bfc0: ffffffff ffffffff 00000000 c0526680 00000000 c0558a30 c058edd4 c056c440 [ 71.645982] bfe0: c0558a2c c057090c 0000406a 414fc091 00000000 0000807c 00000000 00000000 [ 71.654209] [] (mvpp2_txq_bufs_free) from [] (mvpp2_txq_done+0x88/0xbc) [ 71.662605] [] (mvpp2_txq_done) from [] (mvpp2_tx+0x54c/0x7e4) [ 71.670218] [] (mvpp2_tx) from [] (dev_hard_start_xmit+0x230/0x318) [ 71.678266] [] (dev_hard_start_xmit) from [] (sch_direct_xmit+0xe0/0x21c) [ 71.686835] [] (sch_direct_xmit) from [] (__dev_queue_xmit+0x19c/0x514) [ 71.695230] [] (__dev_queue_xmit) from [] (ip_finish_output2+0x184/0x3a8) [ 71.703801] [] (ip_finish_output2) from [] (tcp_transmit_skb+0x44c/0x8e0) [ 71.712368] [] (tcp_transmit_skb) from [] (tcp_write_xmit+0x1e0/0xe6c) [ 71.720674] [] (tcp_write_xmit) from [] (__tcp_push_pending_frames+0x34/0xa4) [ 71.729589] [] (__tcp_push_pending_frames) from [] (tcp_rcv_established+0x180/0x6e0) [ 71.739116] [] (tcp_rcv_established) from [] (tcp_v4_do_rcv+0x12c/0x18c) [ 71.747597] [] (tcp_v4_do_rcv) from [] (tcp_v4_rcv+0xafc/0xb8c) [ 71.755291] [] (tcp_v4_rcv) from [] (ip_local_deliver+0x9c/0x26c) [ 71.763162] [] (ip_local_deliver) from [] (__netif_receive_skb_core+0x51c/0x7a8) [ 71.772340] [] (__netif_receive_skb_core) from [] (netif_receive_skb_internal+0x34/0xa4) [ 71.782215] [] (netif_receive_skb_internal) from [] (napi_gro_receive+0x80/0xd4) [ 71.791394] [] (napi_gro_receive) from [] (mvpp2_poll+0x26c/0x600) [ 71.799352] [] (mvpp2_poll) from [] (net_rx_action+0x1e0/0x2d8) [ 71.807047] [] (net_rx_action) from [] (__do_softirq+0xfc/0x214) [ 71.814829] [] (__do_softirq) from [] (irq_exit+0x78/0xb0) [ 71.822088] [] (irq_exit) from [] (__handle_domain_irq+0x60/0xb4) [ 71.829958] [] (__handle_domain_irq) from [] (gic_handle_irq+0x48/0x88) [ 71.838349] [] (gic_handle_irq) from [] (__irq_svc+0x54/0x70) [ 71.845863] Exception stack(0xc056bf48 to 0xc056bf90) [ 71.850940] bf40: 00000001 00000000 00000000 c001cea0 00000000 c056c44c [ 71.859157] bf60: c056c498 c056c498 c056bfa0 c056a000 c056c4a0 00000000 2e868000 c056bf98 [ 71.867370] bf80: c001080c c0010810 60000013 ffffffff [ 71.872450] [] (__irq_svc) from [] (arch_cpu_idle+0x38/0x3c) [ 71.879885] [] (arch_cpu_idle) from [] (cpu_startup_entry+0x1e4/0x248) [ 71.888193] [] (cpu_startup_entry) from [] (start_kernel+0x3e0/0x3ec) [ 71.896410] Code: e7911102 e584301c 0584901c e5970018 (e5952054) [ 71.902550] ---[ end trace 6ec278518e6aff7f ]--- [ 71.907198] Kernel panic - not syncing: Fatal exception in interrupt [ 71.913585] CPU1: stopping [ 71.916316] CPU: 1 PID: 821 Comm: systemd-journal Tainted: G D 4.5.1_OVH_NAS #4 [ 71.924792] Hardware name: Marvell Armada 375 (Device Tree) [ 71.930406] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 71.938192] [] (show_stack) from [] (dump_stack+0x94/0xa8) [ 71.945451] [] (dump_stack) from [] (handle_IPI+0x168/0x188) [ 71.952883] [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) [ 71.960489] [] (gic_handle_irq) from [] (__irq_usr+0x50/0x80) [ 71.968005] Exception stack(0xedfaffb0 to 0xedfafff8) [ 71.973082] ffa0: 00000000 00000000 00000013 0000000c [ 71.981299] ffc0: 1c2a00db 0f301e48 00000000 71c40000 2569103c 802e906a 00000000 befa5bb8 [ 71.989514] ffe0: ffffffed befa5aa8 00000033 0002fad4 80070030 ffffffff [ 71.996161] ---[ end Kernel panic - not syncing: Fatal exception in interrupt