Lowlatency kernel hangs at boot, even before any text output
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-lowlatency (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
Using linux-generic is no problem, but when using linux-lowlatency it hangs instantly at boot. Starting without quiet and splash kernel parameters donesn't show any interesting output. Only the purple screen with the grub echo text, "Loading Linux 3.8.0-31-
The computer is a ThinkPad X1 Carbon with Intel i7. I have two other ThinkPads with Intel i7 where this problem is nonexisting. Maybe there is some X1 Carbon specific bug/feature that is triggered by the lowlatency patchset?
lsb_release -rd
Description: Ubuntu 13.04
Release: 13.04
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-lowlatency 3.8.0.31.19
ProcVersionSign
Uname: Linux 3.8.0-31-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
Date: Sat Sep 28 11:54:31 2013
InstallationDate: Installed on 2013-09-12 (15 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: linux-meta-
UpgradeStatus: No upgrade log present (probably fresh install)
affects: | linux-meta-lowlatency (Ubuntu) → linux-lowlatency (Ubuntu) |
Changed in linux-lowlatency (Ubuntu): | |
status: | New → Invalid |
I've just tried with 3.2.0-54-lowlatency with the same result.