Bug 197367 - NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [nf_conntrack]
Summary: NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [nf_conntrack]
Status: NEW
Alias: None
Product: Networking
Classification: Unclassified
Component: Other (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Stephen Hemminger
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-10-23 16:17 UTC by SviMik
Modified: 2017-10-23 16:17 UTC (History)
0 users

See Also:
Kernel Version: 4.8.13-1.el6.elrepo.x86_64
Subsystem:
Regression: No
Bisected commit-id:

Attachments
oops message (13.44 KB, text/plain)
2017-10-23 16:17 UTC, SviMik 		Details
Add an attachment (proposed patch, testcase, etc.)

Description SviMik 2017-10-23 16:17:38 UTC 
Created attachment 260349 [details]
oops message

Hi,

Got the following kernel panic (see full message in attachment):

NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [openvpn:1436]
----cut----
CPU: 1 PID: 1436 Comm: openvpn Not tainted 4.8.13-1.el6.elrepo.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
task: ffff88003c564300 task.stack: ffff88003bfb0000
RIP: 0010:[<ffffffffa030859f>]  [<ffffffffa030859f>] __nf_conntrack_find_get+0x3f/0x330 [nf_conntrack]
----cut----
Call Trace:
<IRQ>
[<ffffffffa03084b0>] ? death_by_timeout+0x20/0x20 [nf_conntrack]
[<ffffffffa0306ceb>] ? nf_ct_get_tuple+0x8b/0xb0 [nf_conntrack]
[<ffffffffa0308ac0>] nf_conntrack_in+0x1e0/0x530 [nf_conntrack]
[<ffffffffa032414c>] ipv4_conntrack_in+0x1c/0x20 [nf_conntrack_ipv4]
[<ffffffff8169f782>] nf_iterate+0x72/0x90
[<ffffffff816aa68f>] ? ip_rcv_finish+0x16f/0x3d0
[<ffffffff8169f8dd>] nf_hook_slow+0x3d/0xc0
[<ffffffff816aad46>] ip_rcv+0x2d6/0x3d0
[<ffffffffa004a402>] ? virtqueue_add_inbuf+0x2/0x30 [virtio_ring]
[<ffffffff816aa520>] ? inet_add_protocol+0x50/0x50
[<ffffffffa00490fa>] ? virtqueue_notify+0x1a/0x40 [virtio_ring]
[<ffffffff816669e0>] __netif_receive_skb_core+0x5b0/0x9f0
[<ffffffffa01372d0>] ? start_xmit+0x110/0x210 [virtio_net]
[<ffffffff810b796a>] ? update_cfs_rq_load_avg+0x29a/0x430
[<ffffffff8179b640>] ? _raw_read_unlock_bh+0x20/0x30
[<ffffffffa02d9900>] ? ebt_do_table+0x620/0x690 [ebtables]
[<ffffffff81666e49>] __netif_receive_skb+0x29/0x70
[<ffffffff81667067>] netif_receive_skb_internal+0x37/0x90
[<ffffffff81667ed8>] netif_receive_skb+0x28/0x80
----cut----

A full message of this oops can be found in attachment. Message was received using netconsole.
Note You need to log in before you can comment on or make changes to this bug.