[Bug]Lenovo Yoga 260 and Carbon X1 4th gen freeze on HWP enable
Bug #1559923 reported by
XiongZhang
This bug affects 5 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
intel |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
High
|
Tim Gardner | ||
Vivid |
Fix Released
|
Undecided
|
Unassigned | ||
Wily |
Fix Released
|
Undecided
|
Tim Gardner | ||
Xenial |
Fix Released
|
High
|
Tim Gardner |
Bug Description
The moment HWP is enabled by writing MSR 0x770 to 0x01, the system freezes.
This can be reproduced on two lenovo models
Yoga 260
Carbon X1 4th generatio
Bugzilla:
https:/
https:/
http://
information type: | Proprietary → Public |
Changed in linux (Ubuntu): | |
assignee: | nobody → Canonical Kernel Team (canonical-kernel-team) |
importance: | Undecided → High |
status: | New → Triaged |
Changed in linux (Ubuntu): | |
assignee: | Canonical Kernel Team (canonical-kernel-team) → Tim Gardner (timg-tpi) |
status: | Triaged → Fix Committed |
Changed in linux (Ubuntu Wily): | |
assignee: | nobody → Tim Gardner (timg-tpi) |
status: | New → In Progress |
Changed in linux (Ubuntu Wily): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Vivid): | |
status: | New → Fix Committed |
tags: |
added: verification-done-vivid verification-done-wily removed: verification-needed-vivid verification-needed-wily |
Changed in intel: | |
status: | New → Fix Released |
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the patch has sent to ML and is under reviewing /lkml.org/ lkml/2016/ 3/17/563
https:/
Please consider backporting it to 16.04 kernel before kernel freeze.