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

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  Random total system freezes (resolved)

Status in linux package in Ubuntu:

Bug description:
  I have an Intel 7260 WiFi card in my desktop (lspci output: 09:00.0
  Network controller: Intel Corporation Wireless 7260 (rev bb)), running
  18.04. All the way since 17.04 I have experienced random freezes,
  where the entire system would be unresponsive, I was unable to
  Ctrl+Alt+F1 to a different console, and I couldn't connect to it via
  ssh. After upgrading to 17.10 (and a fresh install of 17.10), and
  subsequently upgrading to 18.04, the issue intensified, appearing at
  least hourly, often quicker than that, and only a hard reset would let
  me access my system again. The issue is also present in Linux Mint
  18.3. Freezes could happen at any time, regardless of usage (or just

  After getting a tip that this might be caused by the WiFi card, I
  looked at the provided firmware from Intel's site, and compared the
  files to the files present in /lib/firmware/. The file provided by
  Intel for my specific card is iwlwifi-7260-14.ucode, but the files
  present in the folder were the numbers 7, 8, 9, 10, 12, 13, 16, and
  17. Downloading the firmware from Intel, and adding the -14 file to
  the folder solved the issue of the screen freezing, and the issue has
  not appeared for the ten hours I've been running since applying the

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.13.0-32-generic 4.13.0-32.35
  ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
  Uname: Linux 4.13.0-32-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.8-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC0:  sten       2687 F.... pulseaudio
   /dev/snd/controlC1:  sten       2687 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Mon Feb 12 21:18:57 2018
  HibernationDevice: RESUME=UUID=96fd0755-bbbc-43ce-9174-b4de65ea2e26
  InstallationDate: Installed on 2017-10-27 (107 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  MachineType: System manufacturer System Product Name
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic.efi.signed 
root=UUID=b3449b90-a2aa-4c46-8837-574f25841071 ro quiet splash 
intel_idle.max_cstate=1 vt.handoff=1
   linux-restricted-modules-4.13.0-32-generic N/A
   linux-backports-modules-4.13.0-32-generic  N/A
   linux-firmware                             1.170
   0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-02-05 (7 days ago)
  dmi.bios.date: 01/22/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 3803
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME B350-PLUS
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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