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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1905236

Title:
  Linux version 4.15.0-72-generic: [Kernel panic - not syncing: Fatal
  exception in interrupt]

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  
  The server was not responding today, but it was running last night. Currently 
I have no idea if any running application has caused the problem. After I 
rebooted it, I have looked through journalctl and found the following lines:

  
  Nov 22 14:59:39 chcpu12i kernel: Kernel panic - not syncing: Fatal exception 
in interrupt
  Nov 22 14:59:38 chcpu12i kernel: ---[ end trace e545d87063aa3020 ]---
  Nov 22 14:59:38 chcpu12i kernel: RIP: update_group_capacity+0x19d/0x1f0 RSP: 
ffff8bd3ffa83bd8
  Nov 22 14:59:38 chcpu12i kernel: Code: 34 10 48 8b 96 38 0a 00 00 48 8b 86 30 
0a 00 00 48 8b b6 a0 09 00 00 49 d1 e9 48 29 d6 ba 00 00 00 00 48 0f 48 f2 31 
d2 44 01 ce <48> f7 f6
  Nov 22 14:59:38 chcpu12i kernel:  secondary_startup_64+0xa5/0xb0
  Nov 22 14:59:38 chcpu12i kernel:  start_secondary+0x1ab/0x200
  Nov 22 14:59:38 chcpu12i kernel:  cpu_startup_entry+0x73/0x80
  Nov 22 14:59:38 chcpu12i kernel:  do_idle+0x172/0x1f0
  Nov 22 14:59:38 chcpu12i kernel:  default_idle_call+0x23/0x30
  Nov 22 14:59:38 chcpu12i kernel:  arch_cpu_idle+0x15/0x20
  Nov 22 14:59:38 chcpu12i kernel:  default_idle+0x20/0x100
  Nov 22 14:59:38 chcpu12i kernel:  ? __sched_text_end+0x1/0x1
  Nov 22 14:59:38 chcpu12i kernel: R13: 0000000000000000 R14: 0000000000000000 
R15: 0000000000000000
  Nov 22 14:59:38 chcpu12i kernel: R10: 0000000000000000 R11: 7fffffffffffffff 
R12: 000000000000000a
  Nov 22 14:59:38 chcpu12i kernel: RBP: ffffae578c57be80 R08: 00555eb7b6d76000 
R09: ffff8bd3ffa9d220
  Nov 22 14:59:38 chcpu12i kernel: RDX: 0000000000000000 RSI: 0000000000000000 
RDI: 0000000000000000
  Nov 22 14:59:38 chcpu12i kernel: RAX: ffffffffa03bd080 RBX: 000000000000000a 
RCX: 0000000000000000
  Nov 22 14:59:38 chcpu12i kernel: RSP: 0018:ffffae578c57be80 EFLAGS: 00000246 
ORIG_RAX: ffffffffffffff02
  Nov 22 14:59:38 chcpu12i kernel: RIP: 0010:native_safe_halt+0x12/0x20
  Nov 22 14:59:38 chcpu12i kernel:  </IRQ>
  Nov 22 14:59:38 chcpu12i kernel:  reschedule_interrupt+0x8c/0xa0
  Nov 22 14:59:38 chcpu12i kernel:  smp_reschedule_interrupt+0x39/0xe0
  Nov 22 14:59:38 chcpu12i kernel:  scheduler_ipi+0xea/0x130
  Nov 22 14:59:38 chcpu12i kernel:  irq_exit+0xc5/0xd0
  Nov 22 14:59:38 chcpu12i kernel:  __do_softirq+0xe4/0x2d4
  Nov 22 14:59:38 chcpu12i kernel:  run_rebalance_domains+0x139/0x1f0
  Nov 22 14:59:38 chcpu12i kernel:  rebalance_domains+0x245/0x2d0
  Nov 22 14:59:38 chcpu12i kernel:  ? sched_clock+0x9/0x10
  Nov 22 14:59:38 chcpu12i kernel:  ? sched_clock+0x9/0x10
  Nov 22 14:59:38 chcpu12i kernel:  load_balance+0x164/0x9d0
  Nov 22 14:59:38 chcpu12i kernel:  find_busiest_group+0xff/0x9c0
  Nov 22 14:59:38 chcpu12i kernel:  <IRQ>
  Nov 22 14:59:38 chcpu12i kernel: Call Trace:
  Nov 22 14:59:38 chcpu12i kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 
DR7: 0000000000000400
  Nov 22 14:59:38 chcpu12i kernel: DR0: 0000000000000000 DR1: 0000000000000000 
DR2: 0000000000000000
  Nov 22 14:59:38 chcpu12i kernel: CR2: 00007fe868669160 CR3: 0000003fb260a004 
CR4: 00000000003626e0
  Nov 22 14:59:38 chcpu12i kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Nov 22 14:59:38 chcpu12i kernel: FS:  0000000000000000(0000) 
GS:ffff8bd3ffa80000(0000) knlGS:0000000000000000
  Nov 22 14:59:38 chcpu12i kernel: R13: ffff8bd3f7816300 R14: 0000000000000000 
R15: ffff8bd3ffa83c30
  Nov 22 14:59:38 chcpu12i kernel: R10: ffff8bd3ffa80000 R11: 0000000000000001 
R12: ffff8bd3f7e80e00
  Nov 22 14:59:38 chcpu12i kernel: RBP: ffff8bd3ffa83c00 R08: ffff8bd3f7816300 
R09: 000000001dcd6500
  Nov 22 14:59:38 chcpu12i kernel: RDX: 0000000000000000 RSI: 0000000000000000 
RDI: 0000000000021840
  Nov 22 14:59:38 chcpu12i kernel: RAX: 0000000000335358 RBX: 000000000000000a 
RCX: 000000000000024d
  Nov 22 14:59:38 chcpu12i kernel: RSP: 0018:ffff8bd3ffa83bd8 EFLAGS: 00010247
  Nov 22 14:59:38 chcpu12i kernel: RIP: 0010:update_group_capacity+0x19d/0x1f0
  Nov 22 14:59:38 chcpu12i kernel: Hardware name: Huawei RH2288H V3/BC11HGSA0, 
BIOS 3.63 05/19/2017
  Nov 22 14:59:38 chcpu12i kernel: CPU: 10 PID: 0 Comm: swapper/10 Tainted: G   
        OE    4.15.0-72-generic #81-Ubuntu
  Nov 22 14:59:38 chcpu12i kernel:  ip_tables x_tables autofs4 btrfs 
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor 
async_tx xor raid6_pq libcrc32c rNov 22 14:59:38 chcpu12i kernel: Modules 
linked in: tcp_diag inet_diag nf_tables bluetooth ecdh_generic xt_nat xt_tcpudp 
nf_conntrack_netlink veth xt_conntrack ipt_MASQUERADE nf_nNov 22 14:59:38 
chcpu12i kernel: divide error: 0000 [#1] SMP PTI

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-72-generic 4.15.0-72.81
  ProcVersionSignature: Ubuntu 4.15.0-72.81-generic 4.15.18
  Uname: Linux 4.15.0-72-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Nov 23 06:09 seq
   crw-rw---- 1 root audio 116, 33 Nov 23 06:09 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.9-0ubuntu7.9
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  Date: Mon Nov 23 07:20:10 2020
  InstallationDate: Installed on 2019-10-11 (408 days ago)
  InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 
(20190805)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  MachineType: Huawei RH2288H V3
  PciMultimedia:

  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-72-generic 
root=UUID=7a6d28bd-73cb-4971-8f98-554d66acb333 ro
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-72-generic N/A
   linux-backports-modules-4.15.0-72-generic  N/A
   linux-firmware                             1.173.14
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/19/2017
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: 3.63
  dmi.board.name: BC11HGSA0
  dmi.board.vendor: Huawei
  dmi.board.version: V100R003
  dmi.chassis.type: 17
  dmi.chassis.vendor: Huawei
  dmi.modalias: 
dmi:bvnInsydeCorp.:bvr3.63:bd05/19/2017:svnHuawei:pnRH2288HV3:pvrV100R003:rvnHuawei:rnBC11HGSA0:rvrV100R003:cvnHuawei:ct17:cvr:
  dmi.product.family: Type1Family
  dmi.product.name: RH2288H V3
  dmi.product.version: V100R003
  dmi.sys.vendor: Huawei

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