[Bug 1760264] Re: New version of intel-microcode freezes computer

[himrenya]

I have a Dell XPS 13 9343 and I already had the same error when I
installed the (now withdrawn) BIOS Update A14. The notebook was
irregularly completely frozen. I could provoke the freeze immediately by
changing the WLAN in the network manager of Gnome. During the connection
with the new WLAN, the computer is reliably frozen.

This was fixed by downgrading to BIOS Update A13.

I now have the exact same problem with the latest intel-microcode
update. The system freezes at the moment a WLAN connection is
(re-)established. The workaround here is either to use the previous
version of intel-microcode or to deactivate the intel-microcode package.

An update of the kernel to another version had only helped me for a
short time. After the second or third reconnect at the latest, the
computer has completely hung up again.

I replaced the original XPS 13 Broadcom W-LAN module with the Intel
Wireless 8260 module.

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https://bugs.launchpad.net/bugs/1760264

Title:
  New version of intel-microcode freezes computer

Status in intel-microcode package in Ubuntu:
  Confirmed

Bug description:
  The problem appears on 3.20180312.0~ubuntu17.10.1 version. System
  freeze completely on login screen. Can't move mouse and switch to
  virtual console. After downgrade to 3.20170707.1 made in recovery mode
  everything back to normal. I have Intel Core i7-4700HQ.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: intel-microcode 3.20170707.1
  ProcVersionSignature: Ubuntu 4.13.0-37.42-lowlatency 4.13.13
  Uname: Linux 4.13.0-37-lowlatency x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  Date: Sat Mar 31 06:26:06 2018
  InstallationDate: Installed on 2015-02-13 (1141 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: intel-microcode
  UpgradeStatus: Upgraded to artful on 2017-10-20 (161 days ago)

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