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[Bug 1710390] Re: iwlwifi: Microcode SW error detected. Restarting 0x2000000

 

This is actually about two bugs in one and related to bug 1804841
Lets disambiguate them.

One can be avoided by a config in network-manager as mentioned in comment #19
Lets handle this bug here as "that one" - at least in Bionic and later - fixed by being set by default.

This was initially fixed in 1.12.4-1ubuntu1
>From changelog:
        - NetworkManager.conf: disable MAC randomization feature. There is no
          easy way for desktop users to disable this feature yet. And there are
          reports that it doesn't work well with some systems.
And also became part of Bionic in 1.10.6-2ubuntu1

I'm marking this bug fixed since Bionic due to that.

---

Everyone else still affected despite this workaround has another yet unclarified issue.
This shall be tracked in bug 1804841

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Bionic)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Cosmic)
       Status: New => Fix Released

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

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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

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https://bugs.launchpad.net/bugs/1710390

Title:
  iwlwifi: Microcode SW error detected. Restarting 0x2000000

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Incomplete
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released

Bug description:
  This bug was resolved (see 1588632)  On ubuntu 17.04 recent update
  from kernel 4.10.0-30-generic to 4.10.0-32-generic has resulted in a
  regression, reintroducing this bug.

  iwlwifi 0000:03:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [   12.294262]  iwl_pcie_irq_handle_error+0x39/0x160 [iwlwifi]
  --- 
  ApportVersion: 2.20.4-0ubuntu4.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  janice     1664 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 17.04
  HibernationDevice: RESUME=UUID=be1fb904-a9f5-4c1f-a154-349c0a6e63de
  InstallationDate: Installed on 2016-07-12 (396 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160712)
  MachineType: Dell Inc. Dell System XPS 15Z
  Package: linux (not installed)
  ProcFB:
   0 nouveaufb
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-30-generic root=UUID=c280c3d0-6ec1-4080-9d10-74acc2399bad ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.10.0-30.34-generic 4.10.17
  RelatedPackageVersions:
   linux-restricted-modules-4.10.0-30-generic N/A
   linux-backports-modules-4.10.0-30-generic  N/A
   linux-firmware                             1.164.1
  Tags:  zesty
  Uname: Linux 4.10.0-30-generic x86_64
  UpgradeStatus: Upgraded to zesty on 2017-03-11 (153 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev root sambashare sudo www-data
  _MarkForUpload: True
  dmi.bios.date: 09/07/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.name: 0XK6HV
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd09/07/2012:svnDellInc.:pnDellSystemXPS15Z:pvr:rvnDellInc.:rn0XK6HV:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS 15Z
  dmi.sys.vendor: Dell Inc.

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