This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1745564 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1745564 Title: coding error in retpoline for system call entry in Ubuntu 4.13.0-31 kernels Status in linux package in Ubuntu: Incomplete Bug description: Logic error came from the following commit, looks to be introduced at 4.13.0-27: commit d2e0236f395e876f5303fb5021e4fe6eea881402 Author: Tim Chen <tim.c.c...@linux.intel.com> Date: Wed Nov 8 16:30:06 2017 -0800 x86/entry: Use retpoline for syscall's indirect calls $ git describe --contains d2e0236f395e876f5303fb5021e4fe6eea881402 Ubuntu-4.13.0-27.30~42 This patch was included in one of the proposed patchsets to mitigate spectre, but was superceded in later ones which did not contain the error, and did not land in the upstream kernel. It does not affect the 4.4 derived or earlier kernels. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745564/+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