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Message-ID: <CAM_iQpVF76_hZ4o_r9b1-2WEwVE9F6i=_M4wjrt7HuAuajUTug@mail.gmail.com>
Date: Fri, 11 Aug 2017 11:08:31 -0700
From: Cong Wang <xiyou.wangcong@...il.com>
To: Paweł Staszewski <pstaszewski@...are.pl>
Cc: Linux Kernel Network Developers <netdev@...r.kernel.org>,
intel-wired-lan <intel-wired-lan@...ts.osuosl.org>
Subject: Re: Some traffic stress testing with 4.13.0-rc4-next-20170808 and
BUG: [61183.212237] BUG: Bad page state in process ksoftirqd/52 pfn:855f2f
(Cc'ing Intel)
On Thu, Aug 10, 2017 at 3:05 AM, Paweł Staszewski <pstaszewski@...are.pl> wrote:
> Hi
>
>
> yes there are some stack traces more
>
> enp24s0f3 - this NIC is used only for ssh to the host (not much traffic on
> it)
>
> enp216s0f1 - this NIC was have 6Mpps TX traffic (when stack trace occured)
>
> enp216s0f0 - this NIC was have 6Mpps RX traffic (when stack trace occured)
>
>
> - complete dmesg with stack traces for all nics below:
There are several warnings, the first one is igb driver related, the second one
is RCU related.
The first BUG is likely an ixgbe driver issue.
>
> [53838.303348] NETDEV WATCHDOG: enp24s0f3 (igb): transmit queue 1 timed out
> [53838.303358] ------------[ cut here ]------------
> [53838.303363] WARNING: CPU: 0 PID: 8 at net/sched/sch_generic.c:316
> dev_watchdog+0xc5/0x122
> [53838.303363] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [53838.303367] CPU: 0 PID: 8 Comm: ksoftirqd/0 Not tainted
> 4.13.0-rc4-next-20170808 #1
> [53838.303368] task: ffff88046da39400 task.stack: ffffc900001b8000
> [53838.303369] RIP: 0010:dev_watchdog+0xc5/0x122
> [53838.303369] RSP: 0018:ffffc900001bbda0 EFLAGS: 00010286
> [53838.303370] RAX: 000000000000003c RBX: ffff88046beb6000 RCX:
> 0000000000000000
> [53838.303371] RDX: ffff88046fa13310 RSI: ffff88046fa0ca98 RDI:
> ffff88046fa0ca98
> [53838.303371] RBP: ffffc900001bbdb0 R08: 0000000000000000 R09:
> 0000000000000000
> [53838.303372] R10: ffff88046fa188e0 R11: ffff88087ff94a84 R12:
> 0000000000000001
> [53838.303372] R13: ffffffff815e0007 R14: ffff88046beb6438 R15:
> ffff88046beb6000
> [53838.303373] FS: 0000000000000000(0000) GS:ffff88046fa00000(0000)
> knlGS:0000000000000000
> [53838.303374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [53838.303374] CR2: 00007ffc18047d58 CR3: 000000046c51f003 CR4:
> 00000000007606f0
> [53838.303375] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [53838.303375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [53838.303376] PKRU: 55555554
> [53838.303376] Call Trace:
> [53838.303381] call_timer_fn+0x5b/0x123
> [53838.303382] run_timer_softirq+0x137/0x15a
> [53838.303386] ? pick_next_task_fair+0x139/0x2f9
> [53838.303388] __do_softirq+0xe4/0x23a
> [53838.303390] ? sort_range+0x1d/0x1d
> [53838.303391] run_ksoftirqd+0x15/0x2a
> [53838.303392] smpboot_thread_fn+0x128/0x13f
> [53838.303394] kthread+0xf7/0xfc
> [53838.303395] ? init_completion+0x24/0x24
> [53838.303399] ret_from_fork+0x22/0x30
> [53838.303400] Code: 62 68 6e 00 00 75 38 48 89 df c6 05 56 68 6e 00 01 e8
> f4 49 fe ff 44 89 e1 48 89 de 48 c7 c7 5b 3d ac 81 48 89 c2 e8 c8 26 a9 ff
> <0f> ff eb 10 41 ff c4 48 05 40 01 00 00 41 39 f4 75 9a eb 0d 48
> [53838.303417] ---[ end trace cf42df41100f38ce ]---
> [53838.303555] igb 0000:18:00.3 enp24s0f3: Reset adapter
> [53843.119595] igb 0000:18:00.3 enp24s0f3: igb: enp24s0f3 NIC Link is Up
> 1000 Mbps Full Duplex, Flow Control: RX
> [56238.303636] igb 0000:18:00.3 enp24s0f3: Reset adapter
> [56241.651735] igb 0000:18:00.3 enp24s0f3: igb: enp24s0f3 NIC Link is Up
> 1000 Mbps Full Duplex, Flow Control: RX
> [59482.865823] nr_pdflush_threads exported in /proc is scheduled for removal
> [59697.280051] ------------[ cut here ]------------
> [59697.280060] WARNING: CPU: 45 PID: 237 at kernel/rcu/tree.c:2700
> rcu_process_callbacks+0x327/0x36f
> [59697.280061] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [59697.280066] CPU: 45 PID: 237 Comm: ksoftirqd/45 Tainted: G W
> 4.13.0-rc4-next-20170808 #1
> [59697.280067] task: ffff88086d07a800 task.stack: ffffc90003bd4000
> [59697.280069] RIP: 0010:rcu_process_callbacks+0x327/0x36f
> [59697.280070] RSP: 0018:ffffc90003bd7e00 EFLAGS: 00010097
> [59697.280071] RAX: 0000000000000246 RBX: ffff88087fa598c0 RCX:
> ffffffffffffd800
> [59697.280071] RDX: 0000000000000001 RSI: ffffc90003bd7e18 RDI:
> ffff88087fa598f8
> [59697.280072] RBP: ffffc90003bd7e60 R08: 0000000000000068 R09:
> 00000000ffffff80
> [59697.280073] R10: ffffc90003bd7dd8 R11: 000000000001cc80 R12:
> ffffffff81c423c0
> [59697.280073] R13: ffffc90003bd7e18 R14: ffff88087fa598f8 R15:
> ffff88086d07a800
> [59697.280074] FS: 0000000000000000(0000) GS:ffff88087fa40000(0000)
> knlGS:0000000000000000
> [59697.280075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [59697.280075] CR2: 00007fffd1a54000 CR3: 000000086bc53001 CR4:
> 00000000007606e0
> [59697.280076] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [59697.280077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [59697.280077] PKRU: 55555554
> [59697.280078] Call Trace:
> [59697.280081] ? net_rx_action+0x21e/0x22d
> [59697.280084] __do_softirq+0xe4/0x23a
> [59697.280088] ? sort_range+0x1d/0x1d
> [59697.280089] run_ksoftirqd+0x15/0x2a
> [59697.280090] smpboot_thread_fn+0x128/0x13f
> [59697.280093] kthread+0xf7/0xfc
> [59697.280094] ? init_completion+0x24/0x24
> [59697.280099] ret_from_fork+0x22/0x30
> [59697.280100] Code: 8b 8b 90 00 00 00 48 2b 0d 2b 4e bc 00 48 39 ca 7d 07
> 48 89 93 90 00 00 00 48 83 7b 38 00 0f 94 c1 48 85 d2 0f 94 c2 38 d1 74 02
> <0f> ff 50 9d 4c 89 f7 e8 55 22 00 00 84 c0 74 09 e8 06 f1 ff ff
> [59697.280120] ---[ end trace cf42df41100f38cf ]---
> [59697.280251] BUG: Bad page state in process ksoftirqd/49 pfn:85537d
> [59697.280253] page:ffffea002154df40 count:0 mapcount:-1 mapping:
> (null) index:0xffff88085537db00
> [59697.280393] flags: 0x600000000000000()
> [59697.280510] raw: 0600000000000000 0000000000000000 ffff88085537db00
> 00000000fffffffe
> [59697.280511] raw: 0000000000000000 0000000100000001 0000000000000000
> 0000000000000000
> [59697.280511] page dumped because: nonzero mapcount
> [59697.280512] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [59697.280515] CPU: 49 PID: 257 Comm: ksoftirqd/49 Tainted: G W
> 4.13.0-rc4-next-20170808 #1
> [59697.280516] Call Trace:
> [59697.280521] dump_stack+0x4d/0x63
> [59697.280526] bad_page+0xf3/0x10f
> [59697.280528] check_new_page_bad+0x73/0x75
> [59697.280529] get_page_from_freelist+0x419/0x63f
> [59697.280532] ? ip_finish_output+0x11f/0x12b
> [59697.280533] __alloc_pages_nodemask+0xf2/0x187
> [59697.280536] ? ip_route_input_rcu+0x489/0x7d3
> [59697.280540] alloc_pages_current+0x85/0x8c
> [59697.280542] new_slab+0xc2/0x2f7
> [59697.280544] ___slab_alloc+0x350/0x3cd
> [59697.280547] ? __build_skb+0x28/0xa4
> [59697.280550] ? __netif_receive_skb_core+0x325/0x4c0
> [59697.280551] __slab_alloc+0x12/0x17
> [59697.280552] ? __slab_alloc+0x12/0x17
> [59697.280554] kmem_cache_alloc+0x50/0x112
> [59697.280555] __build_skb+0x28/0xa4
> [59697.280556] build_skb+0x12/0x41
> [59697.280560] ixgbe_poll+0x6e4/0xeef
> [59697.280562] net_rx_action+0xd3/0x22d
> [59697.280563] __do_softirq+0xe4/0x23a
> [59697.280565] ? sort_range+0x1d/0x1d
> [59697.280566] run_ksoftirqd+0x15/0x2a
> [59697.280567] smpboot_thread_fn+0x128/0x13f
> [59697.280568] kthread+0xf7/0xfc
> [59697.280569] ? init_completion+0x24/0x24
> [59697.280572] ret_from_fork+0x22/0x30
> [59697.280573] Disabling lock debugging due to kernel taint
> [60087.124142] BUG: Bad page state in process ksoftirqd/50 pfn:84ed9f
> [60087.124145] page:ffffea00213b67c0 count:0 mapcount:-127 mapping:
> (null) index:0x0
> [60087.124279] flags: 0x600000000000000()
> [60087.124396] raw: 0600000000000000 0000000000000000 0000000000000000
> 00000000ffffff80
> [60087.124397] raw: ffffea0021a029a0 ffffea00215302a0 0000000000000000
> 0000000000000000
> [60087.124397] page dumped because: nonzero mapcount
> [60087.124398] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [60087.124403] CPU: 50 PID: 262 Comm: ksoftirqd/50 Tainted: G B W
> 4.13.0-rc4-next-20170808 #1
> [60087.124404] Call Trace:
> [60087.124411] dump_stack+0x4d/0x63
> [60087.124415] bad_page+0xf3/0x10f
> [60087.124417] free_pages_check+0x75/0x7f
> [60087.124419] __free_pages_ok+0xaf/0x158
> [60087.124420] page_frag_free+0x47/0x49
> [60087.124424] skb_free_head+0x19/0x22
> [60087.124425] skb_release_data+0x89/0x90
> [60087.124427] skb_release_all+0x1f/0x22
> [60087.124428] _kfree_skb_defer+0x1e/0x5b
> [60087.124430] napi_consume_skb+0x3e/0x41
> [60087.124434] ixgbe_poll+0xe7/0xeef
> [60087.124437] net_rx_action+0xd3/0x22d
> [60087.124439] __do_softirq+0xe4/0x23a
> [60087.124443] ? sort_range+0x1d/0x1d
> [60087.124443] run_ksoftirqd+0x15/0x2a
> [60087.124444] smpboot_thread_fn+0x128/0x13f
> [60087.124447] kthread+0xf7/0xfc
> [60087.124448] ? init_completion+0x24/0x24
> [60087.124452] ret_from_fork+0x22/0x30
> [60175.047713] BUG: Bad page state in process perf pfn:84ed9f
> [60175.047715] page:ffffea00213b67c0 count:44363 mapcount:0 mapping:
> (null) index:0x0
> [60175.047849] flags: 0x600000000000000()
> [60175.047964] raw: 0600000000000000 0000000000000000 0000000000000000
> 0000ad4bffffffff
> [60175.047965] raw: dead000000000100 dead000000000200 0000000000000000
> 0000000000000000
> [60175.047965] page dumped because: nonzero _count
> [60175.047966] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [60175.047970] CPU: 28 PID: 8325 Comm: perf Tainted: G B W
> 4.13.0-rc4-next-20170808 #1
> [60175.047971] Call Trace:
> [60175.047980] dump_stack+0x4d/0x63
> [60175.047986] bad_page+0xf3/0x10f
> [60175.047988] check_new_page_bad+0x73/0x75
> [60175.047989] get_page_from_freelist+0x2a9/0x63f
> [60175.047990] __alloc_pages_nodemask+0xf2/0x187
> [60175.047994] new_slab+0xd6/0x2f7
> [60175.047996] ___slab_alloc+0x350/0x3cd
> [60175.048000] ? kzalloc_node+0xf/0x11
> [60175.048001] ? __alloc_pages_nodemask+0xf2/0x187
> [60175.048002] __slab_alloc+0x12/0x17
> [60175.048004] ? __slab_alloc+0x12/0x17
> [60175.048005] __kmalloc_node+0x92/0x10c
> [60175.048007] kzalloc_node+0xf/0x11
> [60175.048008] reserve_ds_buffers+0x90/0x30d
> [60175.048010] x86_reserve_hardware+0xbd/0xcd
> [60175.048011] x86_pmu_event_init+0x50/0x1c9
> [60175.048013] perf_try_init_event+0x41/0x72
> [60175.048014] perf_event_alloc+0x36f/0x61a
> [60175.048016] SYSC_perf_event_open+0x3fa/0xb22
> [60175.048018] SyS_perf_event_open+0x9/0xb
> [60175.048022] entry_SYSCALL_64_fastpath+0x13/0x94
> [60175.048023] RIP: 0033:0x7f4b74add5c9
> [60175.048024] RSP: 002b:00007ffe273ff6f8 EFLAGS: 00000202 ORIG_RAX:
> 000000000000012a
> [60175.048025] RAX: ffffffffffffffda RBX: 00007ffe273ff830 RCX:
> 00007f4b74add5c9
> [60175.048026] RDX: 00000000ffffffff RSI: 0000000000000000 RDI:
> 00007ffe273ff740
> [60175.048027] RBP: 00007ffe273ff800 R08: 0000000000000000 R09:
> 00007ffe273ffa40
> [60175.048027] R10: 00000000ffffffff R11: 0000000000000202 R12:
> 0000000000000000
> [60175.048028] R13: 00007ffe273ffaf0 R14: 0000000000000001 R15:
> 00007ffe274050b0
> [60205.531673] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [60205.775698] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [60226.155671] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [60226.399691] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [60401.551685] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [60401.795723] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [60580.967690] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [60581.315732] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
>
> [60961.112120] BUG: Bad page state in process ksoftirqd/44 pfn:855f2f
> [60961.112123] page:ffffea002157cbc0 count:51910 mapcount:0 mapping:
> (null) index:0x0
> [60961.112259] flags: 0x600000000000000()
> [60961.112375] raw: 0600000000000000 0000000000000000 0000000000000000
> 0000cac6ffffffff
> [60961.112376] raw: dead000000000100 dead000000000200 0000000000000000
> 0000000000000000
> [60961.112377] page dumped because: nonzero _count
> [60961.112377] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [60961.112381] CPU: 44 PID: 232 Comm: ksoftirqd/44 Tainted: G B W
> 4.13.0-rc4-next-20170808 #1
> [60961.112382] Call Trace:
> [60961.112390] dump_stack+0x4d/0x63
> [60961.112394] bad_page+0xf3/0x10f
> [60961.112396] check_new_page_bad+0x73/0x75
> [60961.112397] get_page_from_freelist+0x2a9/0x63f
> [60961.112398] __alloc_pages_nodemask+0xf2/0x187
> [60961.112403] alloc_pages_current+0x85/0x8c
> [60961.112405] new_slab+0xc2/0x2f7
> [60961.112407] ___slab_alloc+0x350/0x3cd
> [60961.112409] ? fq_enqueue+0x24e/0x3e3 [sch_fq]
> [60961.112411] __slab_alloc+0x12/0x17
> [60961.112412] ? __slab_alloc+0x12/0x17
> [60961.112413] kmem_cache_alloc+0x50/0x112
> [60961.112414] fq_enqueue+0x24e/0x3e3 [sch_fq]
> [60961.112419] ? ixgbe_select_queue+0x15/0x17
> [60961.112422] __dev_queue_xmit+0x2a5/0x4b9
> [60961.112423] dev_queue_xmit+0xb/0xd
> [60961.112423] ? dev_queue_xmit+0xb/0xd
> [60961.112425] vlan_dev_hard_start_xmit+0x81/0xaa
> [60961.112426] dev_hard_start_xmit+0xc3/0x197
> [60961.112427] __dev_queue_xmit+0x38d/0x4b9
> [60961.112429] ? eth_header+0x27/0xab
> [60961.112429] dev_queue_xmit+0xb/0xd
> [60961.112430] ? dev_queue_xmit+0xb/0xd
> [60961.112432] neigh_connected_output+0x9b/0xb2
> [60961.112436] ip_finish_output2+0x24e/0x292
> [60961.112437] ip_finish_output+0x11f/0x12b
> [60961.112438] ip_output+0x56/0xa7
> [60961.112441] ? ip_route_input_rcu+0x489/0x7d3
> [60961.112442] ip_forward_finish+0x53/0x58
> [60961.112443] ip_forward+0x2ff/0x350
> [60961.112443] ? ip_frag_mem+0x1e/0x1e
> [60961.112444] ip_rcv_finish+0x27f/0x28a
> [60961.112445] ip_rcv+0x2c0/0x30d
> [60961.112448] __netif_receive_skb_core+0x325/0x4c0
> [60961.112449] __netif_receive_skb+0x18/0x5a
> [60961.112450] ? dev_gro_receive+0x2a9/0x3b4
> [60961.112451] ? __netif_receive_skb+0x18/0x5a
> [60961.112452] netif_receive_skb_internal+0x4b/0x96
> [60961.112453] napi_gro_receive+0x75/0xcc
> [60961.112455] ixgbe_poll+0xed8/0xeef
> [60961.112459] ? __printk_ratelimit+0x8/0x15
> [60961.112460] net_rx_action+0xd3/0x22d
> [60961.112462] __do_softirq+0xe4/0x23a
> [60961.112465] ? sort_range+0x1d/0x1d
> [60961.112466] run_ksoftirqd+0x15/0x2a
> [60961.112467] smpboot_thread_fn+0x128/0x13f
> [60961.112470] kthread+0xf7/0xfc
> [60961.112471] ? init_completion+0x24/0x24
> [60961.112475] ret_from_fork+0x22/0x30
> [60983.541418] capability: warning: `turbostat' uses 32-bit capabilities
> (legacy support in use)
> [61179.159683] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
> [61179.503705] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps, Flow
> Control: None
> [61183.212237] BUG: Bad page state in process ksoftirqd/52 pfn:855f2f
> [61183.212240] page:ffffea002157cbc0 count:-1 mapcount:0 mapping:
> (null) index:0x0
> [61183.212375] flags: 0x600000000000000()
> [61183.212492] raw: 0600000000000000 0000000000000000 0000000000000000
> ffffffffffffffff
> [61183.212493] raw: dead000000000100 dead000000000200 0000000000000000
> 0000000000000000
> [61183.212493] page dumped because: nonzero _count
> [61183.212494] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
> [61183.212498] CPU: 52 PID: 272 Comm: ksoftirqd/52 Tainted: G B W
> 4.13.0-rc4-next-20170808 #1
> [61183.212500] Call Trace:
> [61183.212507] dump_stack+0x4d/0x63
> [61183.212512] bad_page+0xf3/0x10f
> [61183.212514] check_new_page_bad+0x73/0x75
> [61183.212515] get_page_from_freelist+0x2a9/0x63f
> [61183.212517] __alloc_pages_nodemask+0xf2/0x187
> [61183.212523] ixgbe_alloc_rx_buffers+0x77/0x1bb
> [61183.212524] ixgbe_poll+0x421/0xeef
> [61183.212529] ? cfs_rq_util_change+0x1e/0x20
> [61183.212532] net_rx_action+0xd3/0x22d
> [61183.212534] __do_softirq+0xe4/0x23a
> [61183.212536] ? sort_range+0x1d/0x1d
> [61183.212537] run_ksoftirqd+0x15/0x2a
> [61183.212538] smpboot_thread_fn+0x128/0x13f
> [61183.212540] kthread+0xf7/0xfc
> [61183.212541] ? init_completion+0x24/0x24
> [61183.212546] ret_from_fork+0x22/0x30
> [61183.283732] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [61183.527747] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [61223.651684] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
> [61223.891712] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps, Flow
> Control: None
> [61228.651748] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [61228.891759] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [61408.583698] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
> [61408.831720] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps, Flow
> Control: None
> [61414.003718] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
> [61414.247764] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps, Flow
> Control: None
> [63318.496105] igb 0000:18:00.3 enp24s0f3: Reset adapter
> [63321.828156] igb 0000:18:00.3 enp24s0f3: igb: enp24s0f3 NIC Link is Up
> 1000 Mbps Full Duplex, Flow Control: RX
>
>
>
> W dniu 2017-08-10 o 01:27, Cong Wang pisze:
>
>> On Wed, Aug 9, 2017 at 8:50 AM, Paweł Staszewski <pstaszewski@...are.pl>
>> wrote:
>>>
>>>
>>>
>>> [60961.112120] BUG: Bad page state in process ksoftirqd/44 pfn:855f2f
>>> [60961.112123] page:ffffea002157cbc0 count:51910 mapcount:0 mapping:
>>> (null) index:0x0
>>> [60961.112259] flags: 0x600000000000000()
>>> [60961.112375] raw: 0600000000000000 0000000000000000 0000000000000000
>>> 0000cac6ffffffff
>>> [60961.112376] raw: dead000000000100 dead000000000200 0000000000000000
>>> 0000000000000000
>>> [60961.112377] page dumped because: nonzero _count
>>> [60961.112377] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
>>> [60961.112381] CPU: 44 PID: 232 Comm: ksoftirqd/44 Tainted: G B W
>>> 4.13.0-rc4-next-20170808 #1
>>> [60961.112382] Call Trace:
>>> [60961.112390] dump_stack+0x4d/0x63
>>> [60961.112394] bad_page+0xf3/0x10f
>>> [60961.112396] check_new_page_bad+0x73/0x75
>>> [60961.112397] get_page_from_freelist+0x2a9/0x63f
>>> [60961.112398] __alloc_pages_nodemask+0xf2/0x187
>>> [60961.112403] alloc_pages_current+0x85/0x8c
>>> [60961.112405] new_slab+0xc2/0x2f7
>>> [60961.112407] ___slab_alloc+0x350/0x3cd
>>> [60961.112409] ? fq_enqueue+0x24e/0x3e3 [sch_fq]
>>> [60961.112411] __slab_alloc+0x12/0x17
>>> [60961.112412] ? __slab_alloc+0x12/0x17
>>> [60961.112413] kmem_cache_alloc+0x50/0x112
>>> [60961.112414] fq_enqueue+0x24e/0x3e3 [sch_fq]
>>> [60961.112419] ? ixgbe_select_queue+0x15/0x17
>>> [60961.112422] __dev_queue_xmit+0x2a5/0x4b9
>>> [60961.112423] dev_queue_xmit+0xb/0xd
>>
>>
>> Is this the first stack trace in your dmesg?
>>
>> It doesn't look like a bug in sch_fq, but like we have
>> a bad mm page somewhere else, perhaps ixgbe driver.
>>
>>
>>
>>> [60961.112423] ? dev_queue_xmit+0xb/0xd
>>> [60961.112425] vlan_dev_hard_start_xmit+0x81/0xaa
>>> [60961.112426] dev_hard_start_xmit+0xc3/0x197
>>> [60961.112427] __dev_queue_xmit+0x38d/0x4b9
>>> [60961.112429] ? eth_header+0x27/0xab
>>> [60961.112429] dev_queue_xmit+0xb/0xd
>>> [60961.112430] ? dev_queue_xmit+0xb/0xd
>>> [60961.112432] neigh_connected_output+0x9b/0xb2
>>> [60961.112436] ip_finish_output2+0x24e/0x292
>>> [60961.112437] ip_finish_output+0x11f/0x12b
>>> [60961.112438] ip_output+0x56/0xa7
>>> [60961.112441] ? ip_route_input_rcu+0x489/0x7d3
>>> [60961.112442] ip_forward_finish+0x53/0x58
>>> [60961.112443] ip_forward+0x2ff/0x350
>>> [60961.112443] ? ip_frag_mem+0x1e/0x1e
>>> [60961.112444] ip_rcv_finish+0x27f/0x28a
>>> [60961.112445] ip_rcv+0x2c0/0x30d
>>> [60961.112448] __netif_receive_skb_core+0x325/0x4c0
>>> [60961.112449] __netif_receive_skb+0x18/0x5a
>>> [60961.112450] ? dev_gro_receive+0x2a9/0x3b4
>>> [60961.112451] ? __netif_receive_skb+0x18/0x5a
>>> [60961.112452] netif_receive_skb_internal+0x4b/0x96
>>> [60961.112453] napi_gro_receive+0x75/0xcc
>>> [60961.112455] ixgbe_poll+0xed8/0xeef
>>> [60961.112459] ? __printk_ratelimit+0x8/0x15
>>> [60961.112460] net_rx_action+0xd3/0x22d
>>> [60961.112462] __do_softirq+0xe4/0x23a
>>> [60961.112465] ? sort_range+0x1d/0x1d
>>> [60961.112466] run_ksoftirqd+0x15/0x2a
>>> [60961.112467] smpboot_thread_fn+0x128/0x13f
>>> [60961.112470] kthread+0xf7/0xfc
>>> [60961.112471] ? init_completion+0x24/0x24
>>> [60961.112475] ret_from_fork+0x22/0x30
>>> [60983.541418] capability: warning: `turbostat' uses 32-bit capabilities
>>> (legacy support in use)
>>> [61179.159683] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
>>> [61179.503705] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [61183.212237] BUG: Bad page state in process ksoftirqd/52 pfn:855f2f
>>> [61183.212240] page:ffffea002157cbc0 count:-1 mapcount:0 mapping:
>>> (null) index:0x0
>>> [61183.212375] flags: 0x600000000000000()
>>> [61183.212492] raw: 0600000000000000 0000000000000000 0000000000000000
>>> ffffffffffffffff
>>> [61183.212493] raw: dead000000000100 dead000000000200 0000000000000000
>>> 0000000000000000
>>> [61183.212493] page dumped because: nonzero _count
>>> [61183.212494] Modules linked in: sch_fq x86_pkg_temp_thermal ipmi_si
>>> [61183.212498] CPU: 52 PID: 272 Comm: ksoftirqd/52 Tainted: G B W
>>> 4.13.0-rc4-next-20170808 #1
>>> [61183.212500] Call Trace:
>>> [61183.212507] dump_stack+0x4d/0x63
>>> [61183.212512] bad_page+0xf3/0x10f
>>> [61183.212514] check_new_page_bad+0x73/0x75
>>> [61183.212515] get_page_from_freelist+0x2a9/0x63f
>>> [61183.212517] __alloc_pages_nodemask+0xf2/0x187
>>> [61183.212523] ixgbe_alloc_rx_buffers+0x77/0x1bb
>>> [61183.212524] ixgbe_poll+0x421/0xeef
>>> [61183.212529] ? cfs_rq_util_change+0x1e/0x20
>>> [61183.212532] net_rx_action+0xd3/0x22d
>>> [61183.212534] __do_softirq+0xe4/0x23a
>>> [61183.212536] ? sort_range+0x1d/0x1d
>>> [61183.212537] run_ksoftirqd+0x15/0x2a
>>> [61183.212538] smpboot_thread_fn+0x128/0x13f
>>> [61183.212540] kthread+0xf7/0xfc
>>> [61183.212541] ? init_completion+0x24/0x24
>>> [61183.212546] ret_from_fork+0x22/0x30
>>> [61183.283732] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
>>> [61183.527747] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [61223.651684] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
>>> [61223.891712] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [61228.651748] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
>>> [61228.891759] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [61408.583698] ixgbe 0000:d8:00.1 enp216s0f1: detected SFP+: 4
>>> [61408.831720] ixgbe 0000:d8:00.1 enp216s0f1: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [61414.003718] ixgbe 0000:d8:00.0 enp216s0f0: detected SFP+: 3
>>> [61414.247764] ixgbe 0000:d8:00.0 enp216s0f0: NIC Link is Up 10 Gbps,
>>> Flow
>>> Control: None
>>> [63318.496105] igb 0000:18:00.3 enp24s0f3: Reset adapter
>>> [63321.828156] igb 0000:18:00.3 enp24s0f3: igb: enp24s0f3 NIC Link is Up
>>> 1000 Mbps Full Duplex, Flow Control: RX
>>>
>>>
>>>
>>>
>>>
>>> If matters configuration below:
>>>
>>> tc -s -d qdisc show
>>> qdisc noqueue 0: dev lo root refcnt 2
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> qdisc mq 0: dev enp24s0f3 root
>>> Sent 10595979 bytes 44275 pkt (dropped 0, overlimits 0 requeues 7)
>>> backlog 0b 0p requeues 7
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :8 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 2562064 bytes 7304 pkt (dropped 0, overlimits 0 requeues 1)
>>> backlog 0b 0p requeues 1
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :7 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 152292 bytes 3589 pkt (dropped 0, overlimits 0 requeues 2)
>>> backlog 0b 0p requeues 2
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :6 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 7298 bytes 15 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :5 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 5042 bytes 5 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :4 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 3194 bytes 4 pkt (dropped 0, overlimits 0 requeues 1)
>>> backlog 0b 0p requeues 1
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :3 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 5386576 bytes 13206 pkt (dropped 0, overlimits 0 requeues 1)
>>> backlog 0b 0p requeues 1
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :2 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 6286 bytes 24 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> qdisc pfifo_fast 0: dev enp24s0f3 parent :1 bands 3 priomap 1 2 2 2 1 2
>>> 0 0
>>> 1 1 1 1 1 1 1 1
>>> Sent 2473227 bytes 20128 pkt (dropped 0, overlimits 0 requeues 2)
>>> backlog 0b 0p requeues 2
>>> qdisc mq 1: dev enp216s0f0 root
>>> Sent 140 bytes 2 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> qdisc fq 831c: dev enp216s0f0 parent 1:a limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8320: dev enp216s0f0 parent 1:e limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 831e: dev enp216s0f0 parent 1:c limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8322: dev enp216s0f0 parent 1:10 limit 8192p flow_limit 100p
>>> buckets 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate
>>> 10Gbit refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8313: dev enp216s0f0 parent 1:1 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8315: dev enp216s0f0 parent 1:3 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8317: dev enp216s0f0 parent 1:5 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 831b: dev enp216s0f0 parent 1:9 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8319: dev enp216s0f0 parent 1:7 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 140 bytes 2 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 1 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 831d: dev enp216s0f0 parent 1:b limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 831f: dev enp216s0f0 parent 1:d limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8321: dev enp216s0f0 parent 1:f limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8316: dev enp216s0f0 parent 1:4 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8314: dev enp216s0f0 parent 1:2 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 8318: dev enp216s0f0 parent 1:6 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc fq 831a: dev enp216s0f0 parent 1:8 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>> 0 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 0 throttled
>>> qdisc mq 1: dev enp216s0f1 root
>>> Sent 5724464060294 bytes 3017574303 pkt (dropped 261703917, overlimits
>>> 0
>>> requeues 1588)
>>> backlog 19340684b 68101p requeues 1588
>>> qdisc fq 8331: dev enp216s0f1 parent 1:f limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357754034478 bytes 1261904590 pkt (dropped 16345926, overlimits 0
>>> requeues 99)
>>> backlog 1190528b 4198p requeues 99
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 15 throttled, 2238 ns latency, 16345926 flows_plimit
>>> qdisc fq 8324: dev enp216s0f1 parent 1:2 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357941986556 bytes 1265190082 pkt (dropped 16334441, overlimits 0
>>> requeues 114)
>>> backlog 1203308b 4237p requeues 114
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 56 throttled, 1988 ns latency, 16334441 flows_plimit
>>> qdisc fq 8326: dev enp216s0f1 parent 1:4 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357756741808 bytes 1261951272 pkt (dropped 16352852, overlimits 0
>>> requeues 108)
>>> backlog 1195356b 4210p requeues 108
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 10 throttled, 1652 ns latency, 16352852 flows_plimit
>>> qdisc fq 832a: dev enp216s0f1 parent 1:8 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357754168172 bytes 1261906634 pkt (dropped 16375523, overlimits 0
>>> requeues 93)
>>> backlog 1191664b 4196p requeues 93
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 4 throttled, 1722 ns latency, 16375523 flows_plimit
>>> qdisc fq 8328: dev enp216s0f1 parent 1:6 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357755800928 bytes 1261934832 pkt (dropped 16297692, overlimits 0
>>> requeues 89)
>>> backlog 1206432b 4248p requeues 89
>>> 65 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 4 throttled, 1520 ns latency, 16297692 flows_plimit
>>> qdisc fq 832c: dev enp216s0f1 parent 1:a limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357757943172 bytes 1261969807 pkt (dropped 16393936, overlimits 0
>>> requeues 97)
>>> backlog 1185984b 4176p requeues 97
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 4 throttled, 1257 ns latency, 16393936 flows_plimit
>>> qdisc fq 832e: dev enp216s0f1 parent 1:c limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357754956814 bytes 1261920403 pkt (dropped 16373257, overlimits 0
>>> requeues 111)
>>> backlog 1184848b 4172p requeues 111
>>> 65 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 11 throttled, 2070 ns latency, 16373257 flows_plimit
>>> qdisc fq 8332: dev enp216s0f1 parent 1:10 limit 8192p flow_limit 100p
>>> buckets 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate
>>> 10Gbit refill_delay 40.0ms
>>> Sent 357754779582 bytes 1261916755 pkt (dropped 16306559, overlimits 0
>>> requeues 80)
>>> backlog 1151336b 4054p requeues 80
>>> 65 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 3 throttled, 1530 ns latency, 16306559 flows_plimit
>>> qdisc fq 8330: dev enp216s0f1 parent 1:e limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357754801422 bytes 1261919138 pkt (dropped 16360298, overlimits 0
>>> requeues 68)
>>> backlog 1266072b 4457p requeues 68
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 7 throttled, 1114 ns latency, 16360298 flows_plimit
>>> qdisc fq 8325: dev enp216s0f1 parent 1:3 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357756968400 bytes 1261953663 pkt (dropped 16377069, overlimits 0
>>> requeues 84)
>>> backlog 1267492b 4463p requeues 84
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 6 throttled, 2470 ns latency, 16377069 flows_plimit
>>> qdisc fq 8323: dev enp216s0f1 parent 1:1 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357944308424 bytes 1265224502 pkt (dropped 16351766, overlimits 0
>>> requeues 125)
>>> backlog 1227164b 4321p requeues 125
>>> 65 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 58 throttled, 2143 ns latency, 16351766 flows_plimit
>>> qdisc fq 8327: dev enp216s0f1 parent 1:5 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357756634544 bytes 1261949446 pkt (dropped 16354220, overlimits 0
>>> requeues 114)
>>> backlog 1176896b 4143p requeues 114
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 5 throttled, 2274 ns latency, 16354220 flows_plimit
>>> qdisc fq 8329: dev enp216s0f1 parent 1:7 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357755020876 bytes 1261921756 pkt (dropped 16366535, overlimits 0
>>> requeues 108)
>>> backlog 1171216b 4124p requeues 108
>>> 65 flows (1 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 3 throttled, 932 ns latency, 16366535 flows_plimit
>>> qdisc fq 832d: dev enp216s0f1 parent 1:b limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357755470474 bytes 1261930198 pkt (dropped 16347462, overlimits 0
>>> requeues 99)
>>> backlog 1255848b 4422p requeues 99
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 5 throttled, 1699 ns latency, 16347462 flows_plimit
>>> qdisc fq 832b: dev enp216s0f1 parent 1:9 limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357754977102 bytes 1261920885 pkt (dropped 16407954, overlimits 0
>>> requeues 92)
>>> backlog 1260108b 4437p requeues 92
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 5 throttled, 1638 ns latency, 16407954 flows_plimit
>>> qdisc fq 832f: dev enp216s0f1 parent 1:d limit 8192p flow_limit 100p
>>> buckets
>>> 1024 orphan_mask 1023 quantum 3028 initial_quantum 15140 maxrate 10Gbit
>>> refill_delay 40.0ms
>>> Sent 357755499918 bytes 1261929638 pkt (dropped 16358427, overlimits 0
>>> requeues 107)
>>> backlog 1194220b 4205p requeues 107
>>> 64 flows (0 inactive, 0 throttled)
>>> 0 gc, 0 highprio, 8 throttled, 2257 ns latency, 16358427 flows_plimit
>>> qdisc noqueue 0: dev vlan1000 root refcnt 2
>>> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>> backlog 0b 0p requeues 0
>>>
>>> ethtool -k enp216s0f1
>>> Features for enp216s0f1:
>>> Cannot get device udp-fragmentation-offload settings: Operation not
>>> supported
>>> rx-checksumming: on
>>> tx-checksumming: on
>>> tx-checksum-ipv4: off [fixed]
>>> tx-checksum-ip-generic: on
>>> tx-checksum-ipv6: off [fixed]
>>> tx-checksum-fcoe-crc: off [fixed]
>>> tx-checksum-sctp: on
>>> scatter-gather: on
>>> tx-scatter-gather: on
>>> tx-scatter-gather-fraglist: off [fixed]
>>> tcp-segmentation-offload: on
>>> tx-tcp-segmentation: on
>>> tx-tcp-ecn-segmentation: off [fixed]
>>> tx-tcp-mangleid-segmentation: on
>>> tx-tcp6-segmentation: on
>>> udp-fragmentation-offload: off
>>> generic-segmentation-offload: off
>>> generic-receive-offload: on
>>> large-receive-offload: off
>>> rx-vlan-offload: on
>>> tx-vlan-offload: on
>>> ntuple-filters: on
>>> receive-hashing: on
>>> highdma: on [fixed]
>>> rx-vlan-filter: on
>>> vlan-challenged: off [fixed]
>>> tx-lockless: off [fixed]
>>> netns-local: off [fixed]
>>> tx-gso-robust: off [fixed]
>>> tx-fcoe-segmentation: off [fixed]
>>> tx-gre-segmentation: on
>>> tx-gre-csum-segmentation: on
>>> tx-ipxip4-segmentation: on
>>> tx-ipxip6-segmentation: on
>>> tx-udp_tnl-segmentation: on
>>> tx-udp_tnl-csum-segmentation: on
>>> tx-gso-partial: on
>>> tx-sctp-segmentation: off [fixed]
>>> tx-esp-segmentation: off [fixed]
>>> fcoe-mtu: off [fixed]
>>> tx-nocache-copy: on
>>> loopback: off [fixed]
>>> rx-fcs: off [fixed]
>>> rx-all: off
>>> tx-vlan-stag-hw-insert: off [fixed]
>>> rx-vlan-stag-hw-parse: off [fixed]
>>> rx-vlan-stag-filter: off [fixed]
>>> l2-fwd-offload: off
>>> hw-tc-offload: on
>>> esp-hw-offload: off [fixed]
>>> esp-tx-csum-hw-offload: off [fixed]
>>> rx-udp_tunnel-port-offload: on
>>>
>>> ethtool -k enp216s0f0
>>> Features for enp216s0f0:
>>> Cannot get device udp-fragmentation-offload settings: Operation not
>>> supported
>>> rx-checksumming: on
>>> tx-checksumming: on
>>> tx-checksum-ipv4: off [fixed]
>>> tx-checksum-ip-generic: on
>>> tx-checksum-ipv6: off [fixed]
>>> tx-checksum-fcoe-crc: off [fixed]
>>> tx-checksum-sctp: on
>>> scatter-gather: on
>>> tx-scatter-gather: on
>>> tx-scatter-gather-fraglist: off [fixed]
>>> tcp-segmentation-offload: on
>>> tx-tcp-segmentation: on
>>> tx-tcp-ecn-segmentation: off [fixed]
>>> tx-tcp-mangleid-segmentation: on
>>> tx-tcp6-segmentation: on
>>> udp-fragmentation-offload: off
>>> generic-segmentation-offload: off
>>> generic-receive-offload: on
>>> large-receive-offload: off
>>> rx-vlan-offload: on
>>> tx-vlan-offload: on
>>> ntuple-filters: on
>>> receive-hashing: on
>>> highdma: on [fixed]
>>> rx-vlan-filter: on
>>> vlan-challenged: off [fixed]
>>> tx-lockless: off [fixed]
>>> netns-local: off [fixed]
>>> tx-gso-robust: off [fixed]
>>> tx-fcoe-segmentation: off [fixed]
>>> tx-gre-segmentation: on
>>> tx-gre-csum-segmentation: on
>>> tx-ipxip4-segmentation: on
>>> tx-ipxip6-segmentation: on
>>> tx-udp_tnl-segmentation: on
>>> tx-udp_tnl-csum-segmentation: on
>>> tx-gso-partial: on
>>> tx-sctp-segmentation: off [fixed]
>>> tx-esp-segmentation: off [fixed]
>>> fcoe-mtu: off [fixed]
>>> tx-nocache-copy: on
>>> loopback: off [fixed]
>>> rx-fcs: off [fixed]
>>> rx-all: off
>>> tx-vlan-stag-hw-insert: off [fixed]
>>> rx-vlan-stag-hw-parse: off [fixed]
>>> rx-vlan-stag-filter: off [fixed]
>>> l2-fwd-offload: off
>>> hw-tc-offload: off
>>> esp-hw-offload: off [fixed]
>>> esp-tx-csum-hw-offload: off [fixed]
>>> rx-udp_tunnel-port-offload: on
>>>
>>>
>
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