OOPS on wily+ for Haswell-ULT and Broadwell
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
Kamal Mostafa | ||
Vivid |
Fix Released
|
Undecided
|
Kamal Mostafa | ||
Wily |
Fix Released
|
Undecided
|
Kamal Mostafa | ||
Xenial |
Fix Released
|
Undecided
|
Kamal Mostafa |
Bug Description
After upgrading to the wily 4.2 kernel, we see early OOPSes similar to the following on Haswell-ULT and Broadwell processors:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at /build/
Info: mapping multiple BARs. Your kernel is fine.
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.2.0-34-generic #39~14.04.1-Ubuntu
Hardware name: Hewlett-Packard HP EliteBook Folio 1040 G1/213E, BIOS L83 Ver. 01.07 03/28/2014
ffffffff81a91c80 ffff88023522bad8 ffffffff817b5fed 0000000000000001
ffff88023522bb28 ffff88023522bb18 ffffffff8107799a ffffc90000cbe000
ffffc90000cb8000 ffffc90000cb8000 0000000000006000 ffff880230297040
Call Trace:
[<ffffffff817b
[<ffffffff8107
[<ffffffff8107
[<ffffffff8106
[<ffffffff8106
[<ffffffff8103
[<ffffffff8103
[<ffffffff813f
[<ffffffff813f
[<ffffffff813f
[<ffffffff814f
[<ffffffff814f
[<ffffffff814f
[<ffffffff814f
[<ffffffff814f
[<ffffffff814f
[<ffffffff81d6
[<ffffffff814f
[<ffffffff813f
[<ffffffff81d6
[<ffffffff81d6
[<ffffffff8100
[<ffffffff8109
[<ffffffff810b
[<ffffffff81d5
[<ffffffff81d5
[<ffffffff817a
[<ffffffff817a
[<ffffffff817b
[<ffffffff817a
---[ end trace 5f5beae5b9d2dc45 ]---
the issue is fixed in upstream kernels, via two patches:
https:/
http://
each is a one-liner against the mch_quirk_devices[] structure.
[nlb-glaptop](0) $ cat /proc/version_
Ubuntu 4.2.0-35.
[nlb-glaptop](0) $
[nlb-glaptop](0) $ lsb_release -rd
Description: Ubuntu 14.04 LTS
Release: 14.04
[nlb-glaptop](0) $
[nlb-glaptop](0) $ apt-cache policy linux-generic-
linux-generic-
Installed: 4.2.0.35.28
Candidate: 4.2.0.35.28
Version table:
*** 4.2.0.35.28 0
600 https:/
100 /var/lib/
[nlb-glaptop](0) $
Changed in linux (Ubuntu): | |
assignee: | nobody → Kamal Mostafa (kamalmostafa) |
Changed in linux (Ubuntu): | |
status: | Confirmed → In Progress |
Changed in linux (Ubuntu Xenial): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Wily): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Vivid): | |
status: | New → Fix Committed |
assignee: | nobody → Kamal Mostafa (kamalmostafa) |
Changed in linux (Ubuntu Wily): | |
assignee: | nobody → Kamal Mostafa (kamalmostafa) |
Changed in linux (Ubuntu Xenial): | |
assignee: | nobody → Kamal Mostafa (kamalmostafa) |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Committed |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1577748
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.