[ 108.416627] kvm [7297]: vcpu0, guest rIP: 0xffffffff810644d8 disabled perfctr wrmsr: 0xc2 data 0xffff [ 108.868512] cache_from_obj: Wrong slab cache. kmalloc-256 but object is from kmalloc-192 [ 108.868517] ------------[ cut here ]------------ [ 108.868521] WARNING: CPU: 1 PID: 16 at /build/linux-hwe-4GXcua/linux-hwe-4.13.0/mm/slab.h:377 kmem_cache_free+0x129/0x1c0 [ 108.868522] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip_set_hash_ip xt_mac xt_physdev vhost_net vhost tap act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_set ip_set_list_set ip_set_hash_net veth dummy beegfs(OE) nf_conntrack_netlink xt_nat xt_tcpudp xt_recent ip_set nfnetlink ip_vs rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace sunrpc fscache xt_comment xt_mark netconsole ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter 8021q garp mrp bridge stp llc bonding rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) [ 108.868553] ib_uverbs(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_ib(OE) mlx4_en(OE) ib_core(OE) ptp pps_core mlx4_core(OE) devlink mlx_compat(OE) ipmi_ssif intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd hpilo glue_helper cryptd ipmi_si mei_me intel_cstate ipmi_devintf intel_rapl_perf mei ipmi_msghandler shpchp acpi_power_meter mac_hid ie31200_edac knem(OE) autofs4 overlay nbd i915 mgag200 video ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci nvme nvme_core libahci [last unloaded: devlink] [ 108.868584] CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G OE 4.13.0-36-generic #40~16.04.1-Ubuntu [ 108.868585] Hardware name: HP ProLiant m710x Server Cartridge/ProLiant m710x Server Cartridge, BIOS H07 07/17/2017 [ 108.868586] task: ffff9cf2f9cedf00 task.stack: ffffb477862fc000 [ 108.868587] RIP: 0010:kmem_cache_free+0x129/0x1c0 [ 108.868588] RSP: 0018:ffffb477862ff728 EFLAGS: 00010282 [ 108.868589] RAX: 000000000000004c RBX: ffff9cf2c4ed46e0 RCX: 000000000000001f [ 108.868590] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000246 [ 108.868590] RBP: ffffb477862ff740 R08: 0000000000000000 R09: 000000000000004c [ 108.868591] R10: 00000000a0000000 R11: 0000000000000000 R12: ffff9cf300803200 [ 108.868592] R13: ffffffffb8ea3318 R14: ffff9cf2b06cbb84 R15: ffff9cf2bb764000 [ 108.868593] FS: 0000000000000000(0000) GS:ffff9cf341440000(0000) knlGS:0000000000000000 [ 108.868594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.868594] CR2: 00000000ffffffff CR3: 00000009eb00a002 CR4: 00000000003626e0 [ 108.868600] Call Trace: [ 108.868604] ? tun_net_xmit+0x98/0x340 [ 108.868606] kfree_skbmem+0x59/0x60 [ 108.868608] kfree_skb+0x3a/0xa0 [ 108.868609] tun_net_xmit+0x98/0x340 [ 108.868611] dev_hard_start_xmit+0xa6/0x210 [ 108.868613] sch_direct_xmit+0xfc/0x1c0 [ 108.868615] __qdisc_run+0x12a/0x280 [ 108.868617] __dev_queue_xmit+0x242/0x6a0 [ 108.868620] ? ebt_do_table+0x58f/0x680 [ebtables] [ 108.868625] ? br_port_flags_change+0x20/0x20 [bridge] [ 108.868626] dev_queue_xmit+0x10/0x20 [ 108.868628] ? dev_queue_xmit+0x10/0x20 [ 108.868631] br_dev_queue_push_xmit+0x7a/0x140 [bridge] [ 108.868635] br_forward_finish+0x3d/0xb0 [bridge] [ 108.868638] ? br_fdb_offloaded_set+0x50/0x50 [bridge] [ 108.868698] __br_forward+0x15e/0x1d0 [bridge] [ 108.868701] ? br_dev_queue_push_xmit+0x140/0x140 [bridge] [ 108.868705] deliver_clone+0x37/0x50 [bridge] [ 108.868708] br_flood+0xfa/0x210 [bridge] [ 108.868711] br_handle_frame_finish+0x29e/0x530 [bridge] [ 108.868714] br_handle_frame+0x1a4/0x2f0 [bridge] [ 108.868791] ? br_pass_frame_up+0x150/0x150 [bridge] [ 108.868794] __netif_receive_skb_core+0x342/0xaf0 [ 108.868798] ? update_load_avg+0x41c/0x590 [ 108.868800] ? select_task_rq_fair+0x7d2/0xb40 [ 108.868801] __netif_receive_skb+0x18/0x60 [ 108.868803] ? __netif_receive_skb+0x18/0x60 [ 108.868804] netif_receive_skb_internal+0x3f/0x400 [ 108.868806] ? dev_gro_receive+0x274/0x4a0 [ 108.868807] napi_gro_frags+0xee/0x230 [ 108.868811] mlx4_en_process_rx_cq+0xacb/0xea0 [mlx4_en] [ 108.868814] mlx4_en_poll_rx_cq+0x64/0x110 [mlx4_en] [ 108.868815] net_rx_action+0x24d/0x380 [ 108.868818] ? __switch_to+0x450/0x540 [ 108.868820] __do_softirq+0xf2/0x287 [ 108.868823] run_ksoftirqd+0x29/0x60 [ 108.868832] smpboot_thread_fn+0x11a/0x170 [ 108.868833] kthread+0x10c/0x140 [ 108.868835] ? sort_range+0x30/0x30 [ 108.868836] ? kthread_create_on_node+0x70/0x70 [ 108.868839] ret_from_fork+0x35/0x40 [ 108.868840] Code: 00 00 4c 3b a7 d8 00 00 00 0f 84 16 ff ff ff 48 8b 4f 60 49 8b 54 24 60 48 c7 c6 a0 f5 63 b9 48 c7 c7 58 1e 8c b9 e8 78 b2 eb ff <0f> ff 4c 89 e7 e9 f0 fe ff ff 65 8b 05 be 25 5e 47 89 c0 48 0f [ 108.868861] ---[ end trace 196b820a8fbb4908 ]--- [ 108.868906] BUG: unable to handle kernel NULL pointer dereference at (null) [ 108.868910] IP: __netif_receive_skb_core+0x26a/0xaf0 [ 108.868911] PGD 0 [ 108.868912] P4D 0 [ 108.868913] [ 108.868915] Oops: 0000 [#1] SMP PTI [ 108.868917] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip_set_hash_ip xt_mac xt_physdev vhost_net vhost tap act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_set ip_set_list_set ip_set_hash_net veth dummy beegfs(OE) nf_conntrack_netlink xt_nat xt_tcpudp xt_recent ip_set nfnetlink ip_vs rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace sunrpc fscache xt_comment xt_mark netconsole ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter 8021q garp mrp bridge stp llc bonding rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) [ 108.868970] ib_uverbs(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_ib(OE) mlx4_en(OE) ib_core(OE) ptp pps_core mlx4_core(OE) devlink mlx_compat(OE) ipmi_ssif intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd hpilo glue_helper cryptd ipmi_si mei_me intel_cstate ipmi_devintf intel_rapl_perf mei ipmi_msghandler shpchp acpi_power_meter mac_hid ie31200_edac knem(OE) autofs4 overlay nbd i915 mgag200 video ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci nvme nvme_core libahci [last unloaded: devlink] [ 108.869001] CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G W OE 4.13.0-36-generic #40~16.04.1-Ubuntu [ 108.869002] Hardware name: HP ProLiant m710x Server Cartridge/ProLiant m710x Server Cartridge, BIOS H07 07/17/2017 [ 108.869003] task: ffff9cf2f9cedf00 task.stack: ffffb477862fc000 [ 108.869005] RIP: 0010:__netif_receive_skb_core+0x26a/0xaf0 [ 108.869006] RSP: 0018:ffffb477862ff8c0 EFLAGS: 00010246 [ 108.869007] RAX: ffff9cf2000000cc RBX: ffff9cf2bceae600 RCX: 0000000000000000 [ 108.869008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9cf2bceae600 [ 108.869008] RBP: ffffb477862ff950 R08: 0000000000000001 R09: 0000000000000022 [ 108.869009] R10: ffffb477862ff970 R11: ffffb477862ff75c R12: ffffffffffffffd8 [ 108.869010] R13: ffff9cf20000003c R14: 0000000000000000 R15: 0000000000000001 [ 108.869011] FS: 0000000000000000(0000) GS:ffff9cf341440000(0000) knlGS:0000000000000000 [ 108.869012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.869012] CR2: 0000000000000000 CR3: 00000009eb00a002 CR4: 00000000003626e0 [ 108.869013] Call Trace: [ 108.869059] ? ebt_do_table+0x58f/0x680 [ebtables] [ 108.869062] __netif_receive_skb+0x18/0x60 [ 108.869065] ? __netif_receive_skb+0x18/0x60 [ 108.869067] netif_receive_skb_internal+0x3f/0x400 [ 108.869129] ? br_fdb_offloaded_set+0x50/0x50 [bridge] [ 108.869131] netif_receive_skb+0x1c/0x70 [ 108.869219] br_netif_receive_skb+0x34/0x50 [bridge] [ 108.869223] br_pass_frame_up+0xcd/0x150 [bridge] [ 108.869226] ? br_port_flags_change+0x20/0x20 [bridge] [ 108.869229] br_handle_frame_finish+0x203/0x530 [bridge] [ 108.869232] br_handle_frame+0x1a4/0x2f0 [bridge] [ 108.869235] ? br_pass_frame_up+0x150/0x150 [bridge] [ 108.869237] __netif_receive_skb_core+0x342/0xaf0 [ 108.869240] __netif_receive_skb+0x18/0x60 [ 108.869242] ? __netif_receive_skb+0x18/0x60 [ 108.869244] netif_receive_skb_internal+0x3f/0x400 [ 108.869246] ? dev_gro_receive+0x274/0x4a0 [ 108.869248] napi_gro_frags+0xee/0x230 [ 108.869257] mlx4_en_process_rx_cq+0xacb/0xea0 [mlx4_en] [ 108.869260] mlx4_en_poll_rx_cq+0x64/0x110 [mlx4_en] [ 108.869262] net_rx_action+0x24d/0x380 [ 108.869264] ? __switch_to+0x450/0x540 [ 108.869267] __do_softirq+0xf2/0x287 [ 108.869269] run_ksoftirqd+0x29/0x60 [ 108.869272] smpboot_thread_fn+0x11a/0x170 [ 108.869273] kthread+0x10c/0x140 [ 108.869276] ? sort_range+0x30/0x30 [ 108.869277] ? kthread_create_on_node+0x70/0x70 [ 108.869280] ret_from_fork+0x35/0x40 [ 108.869281] Code: 44 01 03 08 0f 85 8d 03 00 00 f0 ff 83 e4 00 00 00 48 8b 73 20 48 8b 42 10 4c 89 e9 48 89 df e8 9d 22 42 00 41 89 c7 48 8b 5d 88 <49> 8b 4c 24 28 4c 89 e2 48 8b 43 20 48 8d 71 d8 48 05 90 00 00 [ 108.869310] RIP: __netif_receive_skb_core+0x26a/0xaf0 RSP: ffffb477862ff8c0 [ 108.869311] CR2: 0000000000000000 [ 108.869313] ---[ end trace 196b820a8fbb4909 ]--- [ 108.869314] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [ 108.869318] IP: netif_skb_features+0x102/0x250 [ 108.869319] PGD 0 [ 108.870072] P4D 0 [ 108.870076] [ 108.870078] Oops: 0000 [#2] SMP PTI [ 108.870079] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip_set_hash_ip xt_mac xt_physdev vhost_net vhost tap act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_set ip_set_list_set ip_set_hash_net veth dummy beegfs(OE) nf_conntrack_netlink xt_nat xt_tcpudp xt_recent ip_set nfnetlink ip_vs rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace sunrpc fscache xt_comment xt_mark netconsole ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter 8021q garp mrp bridge stp llc bonding rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) [ 108.870111] ib_uverbs(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_ib(OE) mlx4_en(OE) ib_core(OE) ptp pps_core mlx4_core(OE) devlink mlx_compat(OE) ipmi_ssif intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd hpilo glue_helper cryptd ipmi_si mei_me intel_cstate ipmi_devintf intel_rapl_perf mei ipmi_msghandler shpchp acpi_power_meter mac_hid ie31200_edac knem(OE) autofs4 overlay nbd i915 mgag200 video ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci nvme nvme_core libahci [last unloaded: devlink] [ 108.870135] CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G D W OE 4.13.0-36-generic #40~16.04.1-Ubuntu [ 108.870136] Hardware name: HP ProLiant m710x Server Cartridge/ProLiant m710x Server Cartridge, BIOS H07 07/17/2017 [ 108.870137] task: ffff9cf2fa382f80 task.stack: ffffb4778627c000 [ 108.870139] RIP: 0010:netif_skb_features+0x102/0x250 [ 108.870140] RSP: 0018:ffffb4778627f770 EFLAGS: 00010246 [ 108.870141] RAX: 0000000000001000 RBX: ffff9cf2bceae600 RCX: 0000000000000000 [ 108.870142] RDX: 0000000000000000 RSI: ffff9cf20000003c RDI: 0000000000000000 [ 108.870143] RBP: ffffb4778627f790 R08: ffff9cf29c78909c R09: 0000000000000001 [ 108.870143] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 108.870144] R13: ffff9cf2bb764000 R14: ffff9cf2bb764000 R15: ffff9cf2bb764000 [ 108.870147] FS: 0000000000000000(0000) GS:ffff9cf341400000(0000) knlGS:0000000000000000 [ 108.870148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.870149] CR2: 0000000000000028 CR3: 00000009eb00a001 CR4: 00000000003626f0 [ 108.870150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.870150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 108.870151] Call Trace: [ 108.870154] validate_xmit_skb+0x21/0x2c0 [ 108.870156] validate_xmit_skb_list+0x43/0x70 [ 108.870158] sch_direct_xmit+0x16b/0x1c0 [ 108.870161] __qdisc_run+0x12a/0x280 [ 108.870162] __dev_queue_xmit+0x242/0x6a0 [ 108.870165] ? ebt_do_table+0x58f/0x680 [ebtables] [ 108.870167] dev_queue_xmit+0x10/0x20 [ 108.870169] ? dev_queue_xmit+0x10/0x20 [ 108.870173] br_dev_queue_push_xmit+0x7a/0x140 [bridge] [ 108.870178] br_forward_finish+0x3d/0xb0 [bridge] [ 108.870182] ? br_fdb_offloaded_set+0x50/0x50 [bridge] [ 108.870186] __br_forward+0x15e/0x1d0 [bridge] [ 108.870190] ? br_dev_queue_push_xmit+0x140/0x140 [bridge] [ 108.870194] deliver_clone+0x37/0x50 [bridge] [ 108.870198] br_flood+0xfa/0x210 [bridge] [ 108.870202] br_handle_frame_finish+0x29e/0x530 [bridge] [ 108.870208] br_handle_frame+0x1a4/0x2f0 [bridge] [ 108.870212] ? br_pass_frame_up+0x150/0x150 [bridge] [ 108.870214] __netif_receive_skb_core+0x342/0xaf0 [ 108.870215] ? __build_skb+0x2a/0xe0 [ 108.870217] __netif_receive_skb+0x18/0x60 [ 108.870219] ? __netif_receive_skb+0x18/0x60 [ 108.870221] netif_receive_skb_internal+0x3f/0x400 [ 108.870223] napi_gro_frags+0xee/0x230 [ 108.870226] mlx4_en_process_rx_cq+0xacb/0xea0 [mlx4_en] [ 108.870229] ? rcu_accelerate_cbs+0x27/0x1b0 [ 108.870232] mlx4_en_poll_rx_cq+0x64/0x110 [mlx4_en] [ 108.870233] net_rx_action+0x24d/0x380 [ 108.870235] ? rcu_process_callbacks+0xf9/0x4f0 [ 108.870237] __do_softirq+0xf2/0x287 [ 108.870240] run_ksoftirqd+0x29/0x60 [ 108.870242] smpboot_thread_fn+0x11a/0x170 [ 108.870244] kthread+0x10c/0x140 [ 108.870245] ? sort_range+0x30/0x30 [ 108.870247] ? kthread_create_on_node+0x70/0x70 [ 108.870249] ret_from_fork+0x35/0x40 [ 108.870250] Code: 8e e8 00 00 00 48 ba 80 00 00 00 00 08 00 00 4c 89 e7 48 09 ca 48 31 d7 83 e7 08 0f 85 d9 00 00 00 49 21 d4 48 8b 96 f0 01 00 00 <48> 8b 4a 28 48 85 c9 0f 84 9d 00 00 00 4c 89 e2 48 89 df e8 66 [ 108.870274] RIP: netif_skb_features+0x102/0x250 RSP: ffffb4778627f770 [ 108.870274] CR2: 0000000000000028 [ 108.870277] ---[ end trace 196b820a8fbb490a ]--- [ 108.873245] Kernel panic - not syncing: Fatal exception in interrupt [ 109.895732] Shutting down cpus with NMI [ 109.895746] Kernel Offset: 0x37800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 109.895747] ------------[ cut here ]------------ [ 109.895748] WARNING: CPU: 6 PID: 294 at /build/linux-hwe-4GXcua/linux-hwe-4.13.0/kernel/workqueue.c:1513 __queue_delayed_work+0x1f/0xa0 [ 109.895748] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip_set_hash_ip xt_mac xt_physdev vhost_net vhost tap act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_set ip_set_list_set ip_set_hash_net veth dummy beegfs(OE) nf_conntrack_netlink xt_nat xt_tcpudp xt_recent ip_set nfnetlink ip_vs rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace sunrpc fscache xt_comment xt_mark netconsole ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter 8021q garp mrp bridge stp llc bonding rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) [ 109.895759] ib_uverbs(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_ib(OE) mlx4_en(OE) ib_core(OE) ptp pps_core mlx4_core(OE) devlink mlx_compat(OE) ipmi_ssif intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd hpilo glue_helper cryptd ipmi_si mei_me intel_cstate ipmi_devintf intel_rapl_perf mei ipmi_msghandler shpchp acpi_power_meter mac_hid ie31200_edac knem(OE) autofs4 overlay nbd i915 mgag200 video ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci nvme nvme_core libahci [last unloaded: devlink] [ 109.895769] CPU: 6 PID: 294 Comm: kworker/u16:4 Tainted: G D W OE 4.13.0-36-generic #40~16.04.1-Ubuntu [ 109.895769] Hardware name: HP ProLiant m710x Server Cartridge/ProLiant m710x Server Cartridge, BIOS H07 07/17/2017 [ 109.895769] Workqueue: events_power_efficient fb_flashcursor [ 109.895770] task: ffff9cf2ee9d8000 task.stack: ffffb47787098000 [ 109.895770] RIP: 0010:__queue_delayed_work+0x1f/0xa0 [ 109.895770] RSP: 0018:ffffb4778709bb20 EFLAGS: 00010007 [ 109.895771] RAX: 0000000000000046 RBX: 0000000000000046 RCX: 0000000000000000 [ 109.895771] RDX: ffff9cf2c4ed46f8 RSI: ffff9cf300819000 RDI: ffff9cf2c4ed4718 [ 109.895771] RBP: ffffb4778709bb20 R08: 0000000000002000 R09: ffffffffb8fcaab9 [ 109.895772] R10: ffffe38ebfc1fb80 R11: ffff9cf2af495e00 R12: ffff9cf2b07eee00 [ 109.895772] R13: ffff9cf2a6530900 R14: ffff9cf2bb77aa00 R15: ffff9cf2bb764000 [ 109.895772] FS: 0000000000000000(0000) GS:ffff9cf341580000(0000) knlGS:0000000000000000 [ 109.895772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.895773] CR2: 000000c421ff4000 CR3: 00000009eb00a005 CR4: 00000000003626e0 [ 109.895773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.895773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.895773] Call Trace: [ 109.895773] queue_delayed_work_on+0x27/0x40 [ 109.895774] netpoll_send_skb_on_dev+0xae/0x200 [ 109.895774] __br_forward+0x1ad/0x1d0 [bridge] [ 109.895774] ? skb_clone+0x54/0xa0 [ 109.895774] ? __skb_clone+0x2e/0x140 [ 109.895774] deliver_clone+0x37/0x50 [bridge] [ 109.895775] br_flood+0x18e/0x210 [bridge] [ 109.895775] br_dev_xmit+0x240/0x2b0 [bridge] [ 109.895775] netpoll_start_xmit+0x142/0x1d0 [ 109.895775] ? __alloc_skb+0x5b/0x1d0 [ 109.895775] netpoll_send_skb_on_dev+0x13d/0x200 [ 109.895776] netpoll_send_udp+0x2de/0x420 [ 109.895776] write_msg+0xb2/0xf0 [netconsole] [ 109.895776] console_unlock+0x409/0x4f0 [ 109.895776] ? update_attr.isra.2+0x90/0x90 [ 109.895776] fb_flashcursor+0x5c/0x110 [ 109.895777] process_one_work+0x15b/0x410 [ 109.895777] worker_thread+0x4b/0x460 [ 109.895777] kthread+0x10c/0x140 [ 109.895777] ? process_one_work+0x410/0x410 [ 109.895778] ? kthread_create_on_node+0x70/0x70 [ 109.895778] ret_from_fork+0x35/0x40 [ 109.895778] Code: a8 fb ff ff 5d c3 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 85 f6 41 89 f8 48 8d 7a 20 48 89 e5 74 5d 48 81 7a 38 60 09 8a b8 74 4b <0f> ff 48 83 7a 28 00 75 4e 48 8b 42 08 4c 8d 4a 08 49 39 c1 75 [ 109.895786] ---[ end trace 196b820a8fbb490b ]--- [ 109.895786] ------------[ cut here ]------------ [ 109.895787] WARNING: CPU: 6 PID: 294 at /build/linux-hwe-4GXcua/linux-hwe-4.13.0/kernel/workqueue.c:1515 __queue_delayed_work+0x85/0xa0 [ 109.895787] Modules linked in: nf_conntrack_ipv6 nf_defrag_ipv6 ip_set_hash_ip xt_mac xt_physdev vhost_net vhost tap act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_set ip_set_list_set ip_set_hash_net veth dummy beegfs(OE) nf_conntrack_netlink xt_nat xt_tcpudp xt_recent ip_set nfnetlink ip_vs rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace sunrpc fscache xt_comment xt_mark netconsole ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter 8021q garp mrp bridge stp llc bonding rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) [ 109.895797] ib_uverbs(OE) ib_umad(OE) esp6_offload esp6 esp4_offload esp4 xfrm_algo mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_ib(OE) mlx4_en(OE) ib_core(OE) ptp pps_core mlx4_core(OE) devlink mlx_compat(OE) ipmi_ssif intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd hpilo glue_helper cryptd ipmi_si mei_me intel_cstate ipmi_devintf intel_rapl_perf mei ipmi_msghandler shpchp acpi_power_meter mac_hid ie31200_edac knem(OE) autofs4 overlay nbd i915 mgag200 video ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci nvme nvme_core libahci [last unloaded: devlink] [ 109.895807] CPU: 6 PID: 294 Comm: kworker/u16:4 Tainted: G D W OE 4.13.0-36-generic #40~16.04.1-Ubuntu [ 109.895807] Hardware name: HP ProLiant m710x Server Cartridge/ProLiant m710x Server Cartridge, BIOS H07 07/17/2017 [ 109.895807] Workqueue: events_power_efficient fb_flashcursor [ 109.895808] task: ffff9cf2ee9d8000 task.stack: ffffb47787098000 [ 109.895808] RIP: 0010:__queue_delayed_work+0x85/0xa0 [ 109.895808] RSP: 0018:ffffb4778709bb20 EFLAGS: 00010006 [ 109.895809] RAX: ffff9cf2bb764000 RBX: 0000000000000046 RCX: 0000000000000000 [ 109.895809] RDX: ffff9cf2c4ed46f8 RSI: ffff9cf300819000 RDI: ffff9cf2c4ed4718 [ 109.895809] RBP: ffffb4778709bb20 R08: 0000000000002000 R09: ffff9cf2c4ed4700 [ 109.895809] R10: ffffe38ebfc1fb80 R11: ffff9cf2af495e00 R12: ffff9cf2b07eee00 [ 109.895810] R13: ffff9cf2a6530900 R14: ffff9cf2bb77aa00 R15: ffff9cf2bb764000 [ 109.895810] FS: 0000000000000000(0000) GS:ffff9cf341580000(0000) knlGS:0000000000000000 [ 109.895810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.895810] CR2: 000000c421ff4000 CR3: 00000009eb00a005 CR4: 00000000003626e0 [ 109.895811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.895811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.895811] Call Trace: [ 109.895811] queue_delayed_work_on+0x27/0x40 [ 109.895811] netpoll_send_skb_on_dev+0xae/0x200 [ 109.895812] __br_forward+0x1ad/0x1d0 [bridge] [ 109.895812] ? skb_clone+0x54/0xa0 [ 109.895812] ? __skb_clone+0x2e/0x140 [ 109.895812] deliver_clone+0x37/0x50 [bridge] [ 109.895812] br_flood+0x18e/0x210 [bridge] [ 109.895813] br_dev_xmit+0x240/0x2b0 [bridge] [ 109.895813] netpoll_start_xmit+0x142/0x1d0 [ 109.895813] ? __alloc_skb+0x5b/0x1d0 [ 109.895813] netpoll_send_skb_on_dev+0x13d/0x200 [ 109.895813] netpoll_send_udp+0x2de/0x420 [ 109.895814] write_msg+0xb2/0xf0 [netconsole] [ 109.895814] console_unlock+0x409/0x4f0 [ 109.895814] ? update_attr.isra.2+0x90/0x90 [ 109.895814] fb_flashcursor+0x5c/0x110 [ 109.895814] process_one_work+0x15b/0x410 [ 109.895815] worker_thread+0x4b/0x460 [ 109.895815] kthread+0x10c/0x140 [ 109.895815] ? process_one_work+0x410/0x410 [ 109.895815] ? kthread_create_on_node+0x70/0x70 [ 109.895815] ret_from_fork+0x35/0x40 [ 109.895816] Code: 52 14 06 00 5d c3 44 89 c7 e8 38 fb ff ff 5d c3 48 3b 52 40 75 af eb af 0f ff eb 9f 0f ff 48 8b 42 08 4c 8d 4a 08 49 39 [ 109.895821] Lost 282 message(s)! [ 211.038097] Rebooting in 10 seconds..