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 <HOSTNAME REDACTED> kernel: [508525.301243] ------------[ cut here ]------------ Jul 24 06:15:01 <HOSTNAME REDACTED> 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 <HOSTNAME REDACTED> 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 <HOSTNAME REDACTED> kernel: [508525.301326] CPU: 22 PID: 118193 Comm: kworker/u384:0 Tainted: P O 4.4.0-83-generic #106-Ubuntu Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301327] Hardware name: Dell Inc. PowerEdge R430/0CN7X8, BIOS 2.2.5 09/08/2016 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301332] Workqueue: netns cleanup_net Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301334] 0000000000000286 00000000631d084a ffff880c7680bba0 ffffffff813f9513 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301337] 0000000000000000 ffffffff81d75940 ffff880c7680bbd8 ffffffff81081322 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301339] ffff881f2bb2fc00 ffff881f2bb2e000 0000000000000006 ffff880c7680bca8 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301341] Call Trace: Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301347] [<ffffffff813f9513>] dump_stack+0x63/0x90 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301352] [<ffffffff81081322>] warn_slowpath_common+0x82/0xc0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301354] [<ffffffff8108146a>] warn_slowpath_null+0x1a/0x20 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301356] [<ffffffff8181ba0b>] in6_dev_finish_destroy+0x6b/0xc0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301359] [<ffffffff817f17e6>] ip6_route_dev_notify+0x116/0x130 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301363] [<ffffffff810a1b1a>] notifier_call_chain+0x4a/0x70 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301365] [<ffffffff810a1c96>] raw_notifier_call_chain+0x16/0x20 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301368] [<ffffffff8172f655>] call_netdevice_notifiers_info+0x35/0x60 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301371] [<ffffffff81739e7d>] netdev_run_todo+0x16d/0x320 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301374] [<ffffffff8174540e>] rtnl_unlock+0xe/0x10 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301377] [<ffffffff81732a37>] default_device_exit_batch+0x147/0x170 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301382] [<ffffffff810c4140>] ? __wake_up_sync+0x20/0x20 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301384] [<ffffffff8172a892>] ops_exit_list.isra.4+0x52/0x60 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301386] [<ffffffff8172b8e2>] cleanup_net+0x1c2/0x2a0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301389] [<ffffffff8109a585>] process_one_work+0x165/0x480 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301392] [<ffffffff8109a8eb>] worker_thread+0x4b/0x4c0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301394] [<ffffffff8109a8a0>] ? process_one_work+0x480/0x480 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301396] [<ffffffff810a0c25>] kthread+0xe5/0x100 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301398] [<ffffffff810a0b40>] ? kthread_create_on_node+0x1e0/0x1e0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301402] [<ffffffff81840f0f>] ret_from_fork+0x3f/0x70 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301403] [<ffffffff810a0b40>] ? kthread_create_on_node+0x1e0/0x1e0 Jul 24 06:15:01 <HOSTNAME REDACTED> kernel: [508525.301405] ---[ end trace e4d2860c83257caf ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1702164 Title: Kernel panic - not syncing: Fatal exception in interrupt Status in linux package in Ubuntu: Confirmed Bug description: we updated Kernel of Ubuntu 16.04 from 4.4.0-81-generic to generic_4.4.0-83.106 we had multiple reboots, and below appeared during the boot : [231489.162816] Kernel panic - not syncing: Fatal exception in interrupt [231490.197513] Shutting down cpus with NMI [231490.210772] Kernel Offset: disabled [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.0-83-generic (buildd@lgw01-29) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.4) ) #106-Ubuntu SMP Mon Jun 26 17:54:43 UTC 2017 (Ubuntu 4.4.0-83.106-generic 4.4.70) [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-83-generic root=UUID=e675b47c-3493-4ef8-8b6f-44acb3d1adb9 ro net.ifnames=0 biosdevname=0 cgroup_enable=memory swapaccount=1 console=tty1 console=ttyS0 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007fffffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000f47fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: Xen [ 0.000000] Xen version 4.2. [ 0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs. [ 0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks. [ 0.000000] You might have to change the root device [ 0.000000] from /dev/hd[a-d] to /dev/xvd[a-d] [ 0.000000] in your root= kernel command line option [ 0.000000] e820: last_pfn = 0xf480000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0x80000 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000fbc20-0x000fbc2f] mapped at [ffff8800000fbc20] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] RAMDISK: [mem 0x3612a000-0x3708cfff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000EA020 000024 (v02 Xen ) [ 0.000000] ACPI: XSDT 0x00000000FC014140 00005C (v01 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: FACP 0x00000000FC0131A0 0000F4 (v04 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: DSDT 0x00000000FC001CE0 011438 (v02 Xen HVM 00000000 INTL 20090123) [ 0.000000] ACPI: FACS 0x00000000FC001CA0 000040 [ 0.000000] ACPI: FACS 0x00000000FC001CA0 000040 [ 0.000000] ACPI: APIC 0x00000000FC0132A0 000460 (v02 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: SRAT 0x00000000FC013780 0008A8 (v01 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: HPET 0x00000000FC014050 000038 (v01 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: WAET 0x00000000FC014090 000028 (v01 Xen HVM 00000000 HVML 00000000) [ 0.000000] ACPI: SSDT 0x00000000FC0140C0 000031 (v02 Xen HVM 00000000 INTL 20090123) [ 0.000000] ACPI: SSDT 0x00000000FC014100 000031 (v02 Xen HVM 00000000 INTL 20090123) --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jul 3 08:14 seq crw-rw---- 1 root audio 116, 33 Jul 3 08:14 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.20.1-0ubuntu2.6 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 16.04 Ec2AMI: ami-e28530f4 Ec2AMIManifest: (unknown) Ec2AvailabilityZone: us-east-1c Ec2InstanceType: x1.16xlarge Ec2Kernel: unavailable Ec2Ramdisk: unavailable IwConfig: Error: [Errno 2] No such file or directory Lsusb: Error: command ['lsusb'] failed with exit code 1: MachineType: Xen HVM domU Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-83-generic root=UUID=e675b47c-3493-4ef8-8b6f-44acb3d1adb9 ro net.ifnames=0 biosdevname=0 cgroup_enable=memory swapaccount=1 console=tty1 console=ttyS0 ProcVersionSignature: Ubuntu 4.4.0-83.106-generic 4.4.70 RelatedPackageVersions: linux-restricted-modules-4.4.0-83-generic N/A linux-backports-modules-4.4.0-83-generic N/A linux-firmware 1.157.11 RfKill: Error: [Errno 2] No such file or directory Tags: xenial ec2-images Uname: Linux 4.4.0-83-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 02/16/2017 dmi.bios.vendor: Xen dmi.bios.version: 4.2.amazon dmi.chassis.type: 1 dmi.chassis.vendor: Xen dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd02/16/2017:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr: dmi.product.name: HVM domU dmi.product.version: 4.2.amazon dmi.sys.vendor: Xen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1702164/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
