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Message-ID: <CALx6S35uiGYw3_LNbb=UE8CWFOo+W4V8bsL+7phCZbt8FoO5JA@mail.gmail.com>
Date: Mon, 15 Jun 2015 11:12:18 -0700
From: Tom Herbert <tom@...bertland.com>
To: Huang Ying <ying.huang@...el.com>
Cc: LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: Re: [lkp] [flow_dissector] 6a74fcf426f: RIP: 0010:[<ffffffff8177ffc9>]
[<ffffffff8177ffc9>] __skb_flow_dissect+0x659/0x830
On Sun, Jun 14, 2015 at 11:12 PM, Huang Ying <ying.huang@...el.com> wrote:
> 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")
>
Fix was pushed to net-next, commit
1e98a0f08abddde87f0f93237f10629ecb4880ef ("flow_dissector: fix ipv6
dst, hop-by-hop and routing ext hdrs")
Thanks
>
> +------------------------------------------------+------------+------------+
> | | 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:[<ffffffff8177ffc9>] [<ffffffff8177ffc9>] __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] <IRQ>
> [ 38.420585] [<ffffffff8178022a>] __skb_get_hash+0x8a/0x2f0
> [ 38.427011] [<ffffffff8178a584>] ? dev_hard_start_xmit+0x274/0x400
> [ 38.434006] [<ffffffff81782f79>] __skb_tx_hash+0x99/0xb0
> [ 38.440030] [<ffffffff817830e6>] __netdev_pick_tx+0x156/0x170
> [ 38.446541] [<ffffffff8178a82b>] netdev_pick_tx+0xab/0xf0
> [ 38.452662] [<ffffffff8178a901>] __dev_queue_xmit+0x91/0x550
> [ 38.459077] [<ffffffff8178add3>] dev_queue_xmit_sk+0x13/0x20
> [ 38.465491] [<ffffffff8183dddc>] ip6_finish_output2+0x2dc/0x490
> [ 38.472196] [<ffffffff813b38aa>] ? selinux_ipv6_postroute+0x1a/0x20
> [ 38.479290] [<ffffffff817bddf7>] ? nf_iterate+0x57/0x80
> [ 38.485220] [<ffffffff8184030f>] ip6_finish_output+0x8f/0xf0
> [ 38.491634] [<ffffffff818403b8>] ip6_output+0x48/0xf0
> [ 38.497368] [<ffffffff81840280>] ? ip6_fragment+0xaa0/0xaa0
> [ 38.503688] [<ffffffff81862747>] NF_HOOK_THRESH+0x27/0x80
> [ 38.511071] [<ffffffff8184e9e1>] ? icmp6_dst_alloc+0x121/0x190
> [ 38.517679] [<ffffffff8186290c>] mld_sendpack+0x16c/0x270
> [ 38.523802] [<ffffffff81863d2d>] mld_ifc_timer_expire+0x19d/0x2f0
> [ 38.530701] [<ffffffff81863b90>] ? mld_dad_timer_expire+0x70/0x70
> [ 38.537601] [<ffffffff810e2dc9>] call_timer_fn+0x39/0x140
> [ 38.543724] [<ffffffff81863b90>] ? mld_dad_timer_expire+0x70/0x70
> [ 38.550624] [<ffffffff810e4c7f>] run_timer_softirq+0x26f/0x340
> [ 38.557232] [<ffffffff8107bff9>] __do_softirq+0x119/0x2e0
> [ 38.563355] [<ffffffff8107c3f5>] irq_exit+0x125/0x130
> [ 38.569091] [<ffffffff818d3176>] smp_apic_timer_interrupt+0x46/0x60
> [ 38.576182] [<ffffffff818d123e>] apic_timer_interrupt+0x6e/0x80
> [ 38.582886] <EOI>
> [ 38.585032] [<ffffffff810f234b>] ? clockevents_switch_state+0x1b/0x60
> [ 38.592525] [<ffffffff8174004c>] ? cpuidle_enter_state+0xac/0x210
> [ 38.599414] [<ffffffff8174001f>] ? cpuidle_enter_state+0x7f/0x210
> [ 38.606312] [<ffffffff817401e7>] cpuidle_enter+0x17/0x20
> [ 38.612338] [<ffffffff810bdb4e>] cpu_startup_entry+0x38e/0x410
> [ 38.618948] [<ffffffff8104bde3>] 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] <IRQ> [<ffffffff818c800a>] dump_stack+0x4c/0x65
> [ 38.708590] [<ffffffff818c46bf>] panic+0xc1/0x1f5
> [ 38.713938] [<ffffffff81126085>] watchdog_timer_fn+0x1f5/0x200
> [ 38.720545] [<ffffffff81125e90>] ? watchdog+0x50/0x50
> [ 38.726279] [<ffffffff810e5cd8>] __hrtimer_run_queues+0xd8/0x280
> [ 38.733079] [<ffffffff810e6078>] hrtimer_interrupt+0xa8/0x1c0
> [ 38.739591] [<ffffffff8104dc6c>] local_apic_timer_interrupt+0x3c/0x70
> [ 38.746876] [<ffffffff818d3171>] smp_apic_timer_interrupt+0x41/0x60
> [ 38.753968] [<ffffffff818d123e>] apic_timer_interrupt+0x6e/0x80
> [ 38.760674] [<ffffffff8177ffc9>] ? __skb_flow_dissect+0x659/0x830
> [ 38.767572] [<ffffffff8177ffc4>] ? __skb_flow_dissect+0x654/0x830
> [ 38.774469] [<ffffffff8178022a>] __skb_get_hash+0x8a/0x2f0
> [ 38.780690] [<ffffffff8178a584>] ? dev_hard_start_xmit+0x274/0x400
> [ 38.787685] [<ffffffff81782f79>] __skb_tx_hash+0x99/0xb0
> [ 38.793710] [<ffffffff817830e6>] __netdev_pick_tx+0x156/0x170
> [ 38.800221] [<ffffffff8178a82b>] netdev_pick_tx+0xab/0xf0
> [ 38.806380] [<ffffffff8178a901>] __dev_queue_xmit+0x91/0x550
> [ 38.812794] [<ffffffff8178add3>] dev_queue_xmit_sk+0x13/0x20
> [ 38.819207] [<ffffffff8183dddc>] ip6_finish_output2+0x2dc/0x490
> [ 38.825910] [<ffffffff813b38aa>] ? selinux_ipv6_postroute+0x1a/0x20
> [ 38.833004] [<ffffffff817bddf7>] ? nf_iterate+0x57/0x80
> [ 38.838933] [<ffffffff8184030f>] ip6_finish_output+0x8f/0xf0
> [ 38.845346] [<ffffffff818403b8>] ip6_output+0x48/0xf0
> [ 38.851080] [<ffffffff81840280>] ? ip6_fragment+0xaa0/0xaa0
> [ 38.857398] [<ffffffff81862747>] NF_HOOK_THRESH+0x27/0x80
> [ 38.864781] [<ffffffff8184e9e1>] ? icmp6_dst_alloc+0x121/0x190
> [ 38.871388] [<ffffffff8186290c>] mld_sendpack+0x16c/0x270
> [ 38.877510] [<ffffffff81863d2d>] mld_ifc_timer_expire+0x19d/0x2f0
> [ 38.884407] [<ffffffff81863b90>] ? mld_dad_timer_expire+0x70/0x70
> [ 38.891305] [<ffffffff810e2dc9>] call_timer_fn+0x39/0x140
> [ 38.897428] [<ffffffff81863b90>] ? mld_dad_timer_expire+0x70/0x70
> [ 38.904327] [<ffffffff810e4c7f>] run_timer_softirq+0x26f/0x340
> [ 38.910935] [<ffffffff8107bff9>] __do_softirq+0x119/0x2e0
> [ 38.917058] [<ffffffff8107c3f5>] irq_exit+0x125/0x130
> [ 38.922792] [<ffffffff818d3176>] smp_apic_timer_interrupt+0x46/0x60
> [ 38.929885] [<ffffffff818d123e>] apic_timer_interrupt+0x6e/0x80
> [ 38.936588] <EOI> [<ffffffff810f234b>] ? clockevents_switch_state+0x1b/0x60
> [ 38.944563] [<ffffffff8174004c>] ? cpuidle_enter_state+0xac/0x210
> [ 38.951463] [<ffffffff8174001f>] ? cpuidle_enter_state+0x7f/0x210
> [ 38.958362] [<ffffffff817401e7>] cpuidle_enter+0x17/0x20
> [ 38.964389] [<ffffffff810bdb4e>] cpu_startup_entry+0x38e/0x410
> [ 38.970997] [<ffffffff8104bde3>] start_secondary+0x143/0x170
> [ 38.977777] Kernel Offset: disabled
> ACPI MEMORY or I/O RESET_REG.
>
>
>
> Thanks,
> Ying Huang
> -------------------------------------
> lkp@...ists.intel.com
> https://eclists.intel.com/sympa/info/lkp
> Unsubscribe by sending email to sympa@...ists.intel.com with subject "Unsubscribe lkp"
>
>
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