** Information type changed from Public to Public Security -- 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) 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
