Hi,there!
The open-vswitch version is 2.12.0,and the system is centos 7.7.1908, kernel is
3.10.0-123.el7.x86_64
I encountered this bug twice,on two computers. But the frequency is not very
high.
Is there a solution to avoid it ??
Thanks!
Here is kernel output:
Oct 19 10:40:37 localhost kernel: BUG: soft lockup - CPU#2 stuck for 23s!
[revalidator54:2804]
Oct 19 10:40:37 localhost kernel: Modules linked in: xt_TPROXY nf_defrag_ipv6
xt_mark xt_REDIRECT tun bridge stp llc ebtable_filter ebtables ip6table_filter
ip6_tables xr17v35x(OF) openvswitch vxlan ip_tunnel gre xt_CHECKSUM
iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_LOG xt_limit xt_conntrack nf_conntrack
iptable_filter snd_hda_codec_hdmi coretemp kvm_intel kvm crc32_pclmul
snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device
ghash_clmulni_intel snd_pcm snd_page_alloc aesni_intel snd_timer lrw gf128mul
glue_helper ablk_helper snd cryptd soundcore pcspkr sg wmi acpi_cpufreq shpchp
acpi_pad mperf nfsd auth_rpcgss nfs_acl lockd sunrpc ip_tables xfs libcrc32c
sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common
crc32c_intel ahci libahci
Oct 19 10:40:37 localhost kernel: libata igb ptp pps_core dca i2c_algo_bit
i2c_core video dm_mirror dm_region_hash dm_log dm_mod
Oct 19 10:40:37 localhost kernel: CPU: 2 PID: 2804 Comm: revalidator54 Tainted:
GF O--------------
3.10.0-123.el7.x86_64 #1
Oct 19 10:40:37 localhost kernel: Hardware name: iEi SJ61/B509, BIOS
SJ61AR11.BIN 06/18/2020
Oct 19 10:40:37 localhost kernel: task: ffff88025b0e0000 ti: ffff880084412000
task.ti: ffff880084412000
Oct 19 10:40:37 localhost kernel: RIP: 0010:[<ffffffff815e90e2>]
[<ffffffff815e90e2>] _raw_spin_lock+0x32/0x50
Oct 19 10:40:37 localhost kernel: RSP: 0018:ffff88026bd03b50 EFLAGS:
00000202
Oct 19 10:40:37 localhost kernel: RAX: 0000000000003d96 RBX: 0000000000000000
RCX: 000000000000a75c
Oct 19 10:40:37 localhost kernel: RDX: 000000000000a75e RSI: 000000000000a75e
RDI: ffff88025d84a7f8
Oct 19 10:40:37 localhost kernel: RBP: ffff88026bd03b50 R08: ffff88025e410158
R09: ffff88026bd03a98
Oct 19 10:40:37 localhost kernel: R10: 0000000000000010 R11: ffffea000970f8c0
R12: ffff88026bd03ac8
Oct 19 10:40:37 localhost kernel: R13: ffffffff815f2d9d R14: ffff88026bd03b50
R15: ffff88025d84a7e0
Oct 19 10:40:37 localhost kernel: FS: 00007f918d108700(0000)
GS:ffff88026bd00000(0000) knlGS:0000000000000000
Oct 19 10:40:37 localhost kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Oct 19 10:40:37 localhost kernel: CR2: 00007fd300002b90 CR3: 000000025d9bd000
CR4: 00000000003407e0
Oct 19 10:40:37 localhost kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Oct 19 10:40:37 localhost kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0
DR7: 0000000000000400
Oct 19 10:40:37 localhost kernel: Stack:
Oct 19 10:40:37 localhost kernel: ffff88026bd03b80 ffffffffa04c329f
ffff88025e4b1e00 ffffe8ffffd04620
Oct 19 10:40:37 localhost kernel: ffff88025cdecd00 ffff88026bd03bb8
ffff88026bd03c68 ffffffffa04c29a4
Oct 19 10:40:37 localhost kernel: 00000003814d1fe8 0000000000000000
00ffffff811c3b73 ffff880036206e9c
Oct 19 10:40:37 localhost kernel: Call Trace:
Oct 19 10:40:37 localhost kernel: <IRQ>
Oct 19 10:40:37 localhost kernel:
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c329f>]
ovs_flow_stats_update+0x4f/0xd0 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c29a4>]
ovs_dp_process_received_packet+0x84/0x120 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c901a>]
ovs_vport_receive+0x2a/0x30 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c9f21>]
netdev_frame_hook+0xc1/0x120 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffff814cf9c2>]
__netif_receive_skb_core+0x282/0x870
Oct 19 10:40:37 localhost kernel: [<ffffffff8101a0d9>] ? read_tsc+0x9/0x20
Oct 19 10:40:37 localhost kernel: [<ffffffff814cffc8>]
__netif_receive_skb+0x18/0x60
Oct 19 10:40:37 localhost kernel: [<ffffffff814d0050>]
netif_receive_skb+0x40/0xd0
Oct 19 10:40:37 localhost kernel: [<ffffffff814d0aa8>]
napi_gro_receive+0x58/0x80
Oct 19 10:40:37 localhost kernel: [<ffffffffa00826e1>]
igb_clean_rx_irq+0x3b1/0x880 [igb]
Oct 19 10:40:37 localhost kernel: [<ffffffffa0082f17>] igb_poll+0x367/0x760
[igb]
Oct 19 10:40:37 localhost kernel: [<ffffffff81099f65>] ?
sched_clock_cpu+0xb5/0x100
Oct 19 10:40:37 localhost kernel: [<ffffffff810a497d>] ?
trigger_load_balance+0x5d/0x200
Oct 19 10:40:37 localhost kernel: [<ffffffff814d041a>]
net_rx_action+0x15a/0x250
Oct 19 10:40:37 localhost kernel: [<ffffffff81067047>]
__do_softirq+0xf7/0x290
Oct 19 10:40:37 localhost kernel: [<ffffffff815f3a5c>] call_softirq+0x1c/0x30
Oct 19 10:40:37 localhost kernel: [<ffffffff81014d25>] do_softirq+0x55/0x90
Oct 19 10:40:37 localhost kernel: [<ffffffff810673e5>] irq_exit+0x115/0x120
Oct 19 10:40:37 localhost kernel: [<ffffffff815f4358>] do_IRQ+0x58/0xf0
Oct 19 10:40:37 localhost kernel: [<ffffffff815e94ad>]
common_interrupt+0x6d/0x6d
Oct 19 10:40:37 localhost kernel: <EOI>
Oct 19 10:40:37 localhost kernel:
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c3493>] ?
ovs_flow_stats_get+0x173/0x180 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c3453>] ?
ovs_flow_stats_get+0x133/0x180 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c07b7>]
ovs_flow_cmd_fill_info+0x1c7/0x320 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffffa04c0999>]
ovs_flow_cmd_dump+0x89/0xf0 [openvswitch]
Oct 19 10:40:37 localhost kernel: [<ffffffff814fb5ae>]
netlink_dump+0x7e/0x230
Oct 19 10:40:37 localhost kernel: [<ffffffff814fba80>]
netlink_recvmsg+0x320/0x3e0
Oct 19 10:40:37 localhost kernel: [<ffffffff814b807f>]
sock_recvmsg+0xbf/0x100
Oct 19 10:40:37 localhost kernel: [<ffffffff815e6cc5>] ?
__schedule+0x2c5/0x790
Oct 19 10:40:37 localhost kernel: [<ffffffff814b838e>]
___sys_recvmsg+0x11e/0x2b0
Oct 19 10:40:37 localhost kernel: [<ffffffff810c297e>] ? do_futex+0xfe/0x5e0
Oct 19 10:40:37 localhost kernel: [<ffffffff814b8f41>]
__sys_recvmsg+0x51/0x90
Oct 19 10:40:37 localhost kernel: [<ffffffff814b8f92>] SyS_recvmsg+0x12/0x20
Oct 19 10:40:37 localhost kernel: [<ffffffff815f2119>]
system_call_fastpath+0x16/0x1b
Oct 19 10:40:37 localhost kernel: Code: 89 e5 b8 00 00 02 00 f0 0f c1 07 89 c2
c1 ea 10 66 39 c2 75 02 5d c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 eb 0c 0f 1f 44
00 00 f3 90 <83> e8 01 74 0a 0f b7 0f 66 39 ca 75 f1 5d c3 0f 1f 80 00 00
00
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