Can't login after boot with Kernel 4.11.0-rc7, soft lockup in systemd-logind
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Expired
|
Medium
|
Unassigned |
Bug Description
Used distribution:
Ubuntu Gnome 16.04 with Kernel 4.11.0-rc7
After logging in to the gnome login screen, the system freezes. Trying to login using the shell (Ctr+Alt+F1) also freezes the system. The following ouptut appears on the shell repeatedly:
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd-
Steps to reproduce the problem:
Boot Ubuntu Gnome 16.04 with Kernel 4.11.0-rc7 and try to login after boot.
Further testing results:
Using Mainline Kernel Version 4.11.0-rc6, login works fine
Using Kernel Version 4.10.11, login works fine
Using Kernel Version 4.10.12, the issue is present
==> It might be possible the issue has been introduced in a commit in 4.11.0-rc7 and has been backported to 4.10.12.
Changed in linux (Ubuntu): | |
importance: | Undecided → Medium |
status: | New → Triaged |
tags: | added: kernel-da-key |
Changed in linux (Ubuntu): | |
assignee: | nobody → Joseph Salisbury (jsalisbury) |
status: | Triaged → In Progress |
description: | updated |
description: | updated |
Changed in linux (Ubuntu): | |
status: | In Progress → Incomplete |
assignee: | Joseph Salisbury (jsalisbury) → nobody |
I built a test kernel with a pick of commit: f2200ac311302fc dca6556fd0c5127 eab6c65a3e. The test kernel can be downloaded from:
http:// kernel. ubuntu. com/~jsalisbury /lp1685865/