FYI, we noticed the below changes on git://flatbed.openfabrics.org/~amirv/linux.git for-upstream commit 6a74fcf426f51aaa569f0b973d10ac20468df238 ("flow_dissector: add support for dst, hop-by-hop and routing ext hdrs") +------------------------------------------------+------------+------------+ | | 611d23c559 | 6a74fcf426 | +------------------------------------------------+------------+------------+ | boot_successes | 13 | 14 | | boot_failures | 0 | 12 | | RIP:__skb_flow_dissect | 0 | 8 | | Kernel_panic-not_syncing:softlockup:hung_tasks | 0 | 12 | | RIP:skb_copy_bits | 0 | 4 | +------------------------------------------------+------------+------------+ [ 10.691510] random: systemd urandom read with 16 bits of entropy available [ 30.147484] random: nonblocking pool is initialized [ 38.270110] NMI watchdog: BUG: soft lockup - CPU#7 stuck for 22s! [swapper/7:0] [ 38.278272] Modules linked in: [ 38.281688] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.1.0-rc7-05001-gd94988d #1 [ 38.290042] Hardware name: Intel Corporation S5520UR/S5520UR, BIOS S5500.86B.01.00.0050.050620101605 05/06/2010 [ 38.301305] task: ffff8801e86258e0 ti: ffff8801e8634000 task.ti: ffff8801e8634000 [ 38.309660] RIP: 0010:[] [] __skb_flow_dissect+0x659/0x830 [ 38.319415] RSP: 0000:ffff88036fac39b8 EFLAGS: 00000292 [ 38.325343] RAX: 00000000fffffff2 RBX: 000000000000dd86 RCX: 0000000000000002 [ 38.333307] RDX: ffff88036fac39e0 RSI: 000000003388fa16 RDI: ffff88008299a400 [ 38.341273] RBP: ffff88036fac3a38 R08: 000000000000dd86 R09: 000000003388fa16 [ 38.349238] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88036fac3928 [ 38.357202] R13: ffffffff818d123e R14: ffff88036fac3a38 R15: ffffffff81e688d0 [ 38.365175] FS: 0000000000000000(0000) GS:ffff88036fac0000(0000) knlGS:0000000000000000 [ 38.374209] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 38.380621] CR2: 0000000000000000 CR3: 000000036ecaf000 CR4: 00000000000006e0 [ 38.388584] Stack: [ 38.390825] 223080006fac39f8 ffff88000000dd86 ffffc9003388fa16 ffff88036fac3a64 [ 38.399121] 000000035eb53802 2230000000000000 0000000000000000 ffff88008299a400 [ 38.407416] ffff88036fac3ad0 0000000000000000 ffff88036fac3ac8 ffff88008299a400 [ 38.415712] Call Trace: [ 38.418441] [ 38.420585] [] __skb_get_hash+0x8a/0x2f0 [ 38.427011] [] ? dev_hard_start_xmit+0x274/0x400 [ 38.434006] [] __skb_tx_hash+0x99/0xb0 [ 38.440030] [] __netdev_pick_tx+0x156/0x170 [ 38.446541] [] netdev_pick_tx+0xab/0xf0 [ 38.452662] [] __dev_queue_xmit+0x91/0x550 [ 38.459077] [] dev_queue_xmit_sk+0x13/0x20 [ 38.465491] [] ip6_finish_output2+0x2dc/0x490 [ 38.472196] [] ? selinux_ipv6_postroute+0x1a/0x20 [ 38.479290] [] ? nf_iterate+0x57/0x80 [ 38.485220] [] ip6_finish_output+0x8f/0xf0 [ 38.491634] [] ip6_output+0x48/0xf0 [ 38.497368] [] ? ip6_fragment+0xaa0/0xaa0 [ 38.503688] [] NF_HOOK_THRESH+0x27/0x80 [ 38.511071] [] ? icmp6_dst_alloc+0x121/0x190 [ 38.517679] [] mld_sendpack+0x16c/0x270 [ 38.523802] [] mld_ifc_timer_expire+0x19d/0x2f0 [ 38.530701] [] ? mld_dad_timer_expire+0x70/0x70 [ 38.537601] [] call_timer_fn+0x39/0x140 [ 38.543724] [] ? mld_dad_timer_expire+0x70/0x70 [ 38.550624] [] run_timer_softirq+0x26f/0x340 [ 38.557232] [] __do_softirq+0x119/0x2e0 [ 38.563355] [] irq_exit+0x125/0x130 [ 38.569091] [] smp_apic_timer_interrupt+0x46/0x60 [ 38.576182] [] apic_timer_interrupt+0x6e/0x80 [ 38.582886] [ 38.585032] [] ? clockevents_switch_state+0x1b/0x60 [ 38.592525] [] ? cpuidle_enter_state+0xac/0x210 [ 38.599414] [] ? cpuidle_enter_state+0x7f/0x210 [ 38.606312] [] cpuidle_enter+0x17/0x20 [ 38.612338] [] cpu_startup_entry+0x38e/0x410 [ 38.618948] [] start_secondary+0x143/0x170 [ 38.625360] Code: 32 4d 85 ed 74 2d 48 8d 55 a8 44 89 ce b9 02 00 00 00 4c 89 ef 44 89 45 88 44 88 55 8c 44 89 4d 90 e8 4c 2f ff ff 44 0f b6 55 8c <44> 8b 45 88 44 8b 4d 90 0f b6 45 a9 44 0f b6 5d a8 8d 04 c5 08 [ 38.647067] Kernel panic - not syncing: softlockup: hung tasks [ 38.653576] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G L 4.1.0-rc7-05001-gd94988d #1 [ 38.663288] Hardware name: Intel Corporation S5520UR/S5520UR, BIOS S5500.86B.01.00.0050.050620101605 05/06/2010 [ 38.674552] 000000000000000d ffff88036fac3750 ffffffff818c800a 00000000000045e8 [ 38.682848] ffffffff81b9945c ffff88036fac37d0 ffffffff818c46bf 00000000000045d6 [ 38.691141] 0000000000000008 ffff88036fac37e0 ffff88036fac3780 ffff88036fac37d0 [ 38.699437] Call Trace: [ 38.702165] [] dump_stack+0x4c/0x65 [ 38.708590] [] panic+0xc1/0x1f5 [ 38.713938] [] watchdog_timer_fn+0x1f5/0x200 [ 38.720545] [] ? watchdog+0x50/0x50 [ 38.726279] [] __hrtimer_run_queues+0xd8/0x280 [ 38.733079] [] hrtimer_interrupt+0xa8/0x1c0 [ 38.739591] [] local_apic_timer_interrupt+0x3c/0x70 [ 38.746876] [] smp_apic_timer_interrupt+0x41/0x60 [ 38.753968] [] apic_timer_interrupt+0x6e/0x80 [ 38.760674] [] ? __skb_flow_dissect+0x659/0x830 [ 38.767572] [] ? __skb_flow_dissect+0x654/0x830 [ 38.774469] [] __skb_get_hash+0x8a/0x2f0 [ 38.780690] [] ? dev_hard_start_xmit+0x274/0x400 [ 38.787685] [] __skb_tx_hash+0x99/0xb0 [ 38.793710] [] __netdev_pick_tx+0x156/0x170 [ 38.800221] [] netdev_pick_tx+0xab/0xf0 [ 38.806380] [] __dev_queue_xmit+0x91/0x550 [ 38.812794] [] dev_queue_xmit_sk+0x13/0x20 [ 38.819207] [] ip6_finish_output2+0x2dc/0x490 [ 38.825910] [] ? selinux_ipv6_postroute+0x1a/0x20 [ 38.833004] [] ? nf_iterate+0x57/0x80 [ 38.838933] [] ip6_finish_output+0x8f/0xf0 [ 38.845346] [] ip6_output+0x48/0xf0 [ 38.851080] [] ? ip6_fragment+0xaa0/0xaa0 [ 38.857398] [] NF_HOOK_THRESH+0x27/0x80 [ 38.864781] [] ? icmp6_dst_alloc+0x121/0x190 [ 38.871388] [] mld_sendpack+0x16c/0x270 [ 38.877510] [] mld_ifc_timer_expire+0x19d/0x2f0 [ 38.884407] [] ? mld_dad_timer_expire+0x70/0x70 [ 38.891305] [] call_timer_fn+0x39/0x140 [ 38.897428] [] ? mld_dad_timer_expire+0x70/0x70 [ 38.904327] [] run_timer_softirq+0x26f/0x340 [ 38.910935] [] __do_softirq+0x119/0x2e0 [ 38.917058] [] irq_exit+0x125/0x130 [ 38.922792] [] smp_apic_timer_interrupt+0x46/0x60 [ 38.929885] [] apic_timer_interrupt+0x6e/0x80 [ 38.936588] [] ? clockevents_switch_state+0x1b/0x60 [ 38.944563] [] ? cpuidle_enter_state+0xac/0x210 [ 38.951463] [] ? cpuidle_enter_state+0x7f/0x210 [ 38.958362] [] cpuidle_enter+0x17/0x20 [ 38.964389] [] cpu_startup_entry+0x38e/0x410 [ 38.970997] [] start_secondary+0x143/0x170 [ 38.977777] Kernel Offset: disabled ACPI MEMORY or I/O RESET_REG. Thanks, Ying Huang ------------------------------------- lkp@eclists.intel.com https://eclists.intel.com/sympa/info/lkp Unsubscribe by sending email to sympa@eclists.intel.com with subject "Unsubscribe lkp"