Below is a stack trace from kern.log for one of the hosts. For security
reasons, I have redacted the hostname from the output. Stack traces for
other machines also mention /build/linux-
0uniEn/linux-4.4.0/net/ipv6/addrconf_core.c:160 in6_dev_finish_destroy.
Hopefully, this may prove useful:
Jul 24 06:15:01 kernel: [508525.301243] [ cut
here ]
Jul 24 06:15:01 kernel: [508525.301252] WARNING: CPU: 22
PID: 118193 at /build/linux-0uniEn/linux-4.4.0/net/ipv6/addrconf_core.c:159
in6_dev_finish_destroy+0x6b/0xc0()
Jul 24 06:15:01 kernel: [508525.301253] Modules linked in:
veth binfmt_misc xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter
ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc
mpt3sas raid_class scsi_transport_sas mptctl mptbase dell_rbu zram lz4_compress
zfs(PO) zunicode(PO) zcommon(PO) znvpair(PO) spl(O) zavl(PO) ipmi_ssif
ipmi_devintf input_leds dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp
coretemp joydev kvm_intel kvm irqbypass sb_edac edac_core mei_me lpc_ich mei
ipmi_si ipmi_msghandler shpchp 8250_fintek mac_hid acpi_power_meter ib_iser
rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp
libiscsi scsi_transport_iscsi autofs4 xfs btrfs raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid0 multipath linear raid1 se
s enclosure crct10dif_pclmul crc32_pclmul ghash_clmulni_intel hid_generic
usbhid hid mxm_wmi aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
cryptd tg3 ptp ahci pps_core libahci megaraid_sas fjes wmi
Jul 24 06:15:01 kernel: [508525.301326] CPU: 22 PID: 118193
Comm: kworker/u384:0 Tainted: P O4.4.0-83-generic #106-Ubuntu
Jul 24 06:15:01 kernel: [508525.301327] Hardware name: Dell
Inc. PowerEdge R430/0CN7X8, BIOS 2.2.5 09/08/2016
Jul 24 06:15:01 kernel: [508525.301332] Workqueue: netns
cleanup_net
Jul 24 06:15:01 kernel: [508525.301334] 0286
631d084a 880c7680bba0 813f9513
Jul 24 06:15:01 kernel: [508525.301337]
81d75940 880c7680bbd8 81081322
Jul 24 06:15:01 kernel: [508525.301339] 881f2bb2fc00
881f2bb2e000 0006 880c7680bca8
Jul 24 06:15:01 kernel: [508525.301341] Call Trace:
Jul 24 06:15:01 kernel: [508525.301347]
[] dump_stack+0x63/0x90
Jul 24 06:15:01 kernel: [508525.301352]
[] warn_slowpath_common+0x82/0xc0
Jul 24 06:15:01 kernel: [508525.301354]
[] warn_slowpath_null+0x1a/0x20
Jul 24 06:15:01 kernel: [508525.301356]
[] in6_dev_finish_destroy+0x6b/0xc0
Jul 24 06:15:01 kernel: [508525.301359]
[] ip6_route_dev_notify+0x116/0x130
Jul 24 06:15:01 kernel: [508525.301363]
[] notifier_call_chain+0x4a/0x70
Jul 24 06:15:01 kernel: [508525.301365]
[] raw_notifier_call_chain+0x16/0x20
Jul 24 06:15:01 kernel: [508525.301368]
[] call_netdevice_notifiers_info+0x35/0x60
Jul 24 06:15:01 kernel: [508525.301371]
[] netdev_run_todo+0x16d/0x320
Jul 24 06:15:01 kernel: [508525.301374]
[] rtnl_unlock+0xe/0x10
Jul 24 06:15:01 kernel: [508525.301377]
[] default_device_exit_batch+0x147/0x170
Jul 24 06:15:01 kernel: [508525.301382]
[] ? __wake_up_sync+0x20/0x20
Jul 24 06:15:01 kernel: [508525.301384]
[] ops_exit_list.isra.4+0x52/0x60
Jul 24 06:15:01 kernel: [508525.301386]
[] cleanup_net+0x1c2/0x2a0
Jul 24 06:15:01 kernel: [508525.301389]
[] process_one_work+0x165/0x480
Jul 24 06:15:01 kernel: [508525.301392]
[] worker_thread+0x4b/0x4c0
Jul 24 06:15:01 kernel: [508525.301394]
[] ? process_one_work+0x480/0x480
Jul 24 06:15:01 kernel: [508525.301396]
[] kthread+0xe5/0x100
Jul 24 06:15:01 kernel: [508525.301398]
[] ? kthread_create_on_node+0x1e0/0x1e0
Jul 24 06:15:01 kernel: [508525.301402]
[] ret_from_fork+0x3f/0x70
Jul 24 06:15:01 kernel: [508525.301403]
[] ? kthread_create_on_node+0x1e0/0x1e0
Jul 24 06:15:01 kernel: [508525.301405] ---[ end trace
e4d2860c83257caf ]---
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https://bugs.launchpad.net/bugs/1702164
Title:
Kernel panic - not syncing: Fatal exception in interrupt
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