[dpdk-dev] NMI Watchdog warning

[陳政柏]

Hi,all

    When I enabled nmi_watchdog, and I get following warning messages. How
can I resolve it?
    Kernel version is 3.10.52


[  940.093592] ------------[ cut here ]------------
[  940.098218] WARNING: at kernel/watchdog.c:245
watchdog_overflow_callback+0x94/0xc0()
[  940.105960] Watchdog detected hard LOCKUP on cpu 3
[  940.110583] Modules linked in: nf_conntrack_netlink udptap(O)
nf_conntrack_ipv6 xt_socket nf_defrag_ipv6 xt_mac ip6table_mangle
nf_nat_proto_udplite nf_conntrack_proto_udplite nf_nat_proto_sctp
nf_conntrack_proto_sctp nf_nat_tftp nf_conntrack_tftp nf_conntrack_h323
nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre
xt_hashlimit xt_mconnlimit xt_CT xt_TCPMSS ipt_REJECT ipt_MASQUERADE
xt_REDIRECT xt_multiport ipt_ULOG xt_NFLOG nfnetlink_log ip6table_filter
xt_set(O) xt_mark xt_connmark xt_conntrack xt_ifgroup iptable_raw ip_gre
ip_tunnel gre ip_set_hash_ip(O) ip_set_hash_netiface(O) ip_set_hash_net(O)
ip_set(O) nfnetlink nf_nat_ftp nf_conntrack_ftp xt_recent iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
iptable_mangle iptable_filter coretemp bridge dummy rte_kni(O) igb_uio(O)
uio_pci_generic uio ixgbe(O) igb(O) e1000e(O)
[  940.188695] CPU: 3 PID: 1261 Comm: XXX Tainted: G        W  O 3.10.52 #1

[  940.205210]  0000000000000009 ffff88087f8c6c78 ffffffff8148ec62
ffff88087f8c6cb0
[  940.212667]  ffffffff8103c5dc ffff88085f834c00 0000000000000000
ffff88087f8c6dd8
[  940.220126]  ffff88087f8c6ef8 0000000000000000 ffff88087f8c6d10
ffffffff8103c647
[  940.227586] Call Trace:
[  940.230032]  <NMI>  [<ffffffff8148ec62>] dump_stack+0x19/0x1b
[  940.235803]  [<ffffffff8103c5dc>] warn_slowpath_common+0x5c/0x80
[  940.241811]  [<ffffffff8103c647>] warn_slowpath_fmt+0x47/0x50
[  940.247555]  [<ffffffff81090d34>] watchdog_overflow_callback+0x94/0xc0
[  940.254088]  [<ffffffff810a38fd>] __perf_event_overflow+0x8d/0x2b0
[  940.260271]  [<ffffffff810a26b9>] ? perf_event_update_userpage+0x19/0x100
[  940.267061]  [<ffffffff810a4294>] perf_event_overflow+0x14/0x20
[  940.272988]  [<ffffffff810144de>] intel_pmu_handle_irq+0x1de/0x370
[  940.279172]  [<ffffffff8100e89b>] perf_event_nmi_handler+0x2b/0x50
[  940.285352]  [<ffffffff81006098>] do_nmi+0x118/0x420
[  940.290315]  [<ffffffff81492b8a>] end_repeat_nmi+0x1e/0x2e
[  940.295804]  <<EOE>>
[  940.297902] ---[ end trace 3ff3d9e5ad439b5f ]---




-- 
Sincerely yours,
threesmaller