https://bugzilla.kernel.org/show_bug.cgi?id=60697
Bug ID: 60697
Summary: Bluetooth re-enabled after resume from hibernation
(Lenovo ThinkPad, X201 3626)
Product: ACPI
Version: 2.5
Kernel Version: v3.11-rc3
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 107102
--> https://bugzilla.kernel.org/attachment.cgi?id=107102&action=edit
Environment info
I'm currently on the 3.8.0 kernel with Ubuntu 13.04 (Raring) x64 on a Thinkpad
x201. I have hibernation enabled by following the instructions in the official
Ubuntu documentation[1].
If Bluetooth is disabled before hibernation, on resume it will be re-enabled.
I have the latest BIOS installed (1.40-1.15)[2], and can reproduce this issue
with the latest mainline kernel available to me (v3.11-rc3-saucy)[3]. I didn't
experience this issue with the 3.5.0 kernel (with Ubuntu 12.10 Quantal), so it
appears to be a regression.
I've done a bisection with this result:
> a57f7f9175b8ccbc9df83ac13860488913115de4 is the first bad commit
> commit a57f7f9175b8ccbc9df83ac13860488913115de4
> Author: Bob Moore <[email protected]>
> Date: Fri Aug 17 10:55:02 2012 +0800
>
> ACPICA: Add Windows8/Server2012 string for _OSI method.
>
> This change adds a new _OSI string, "Windows 2012" for both Windows 8
> and Windows Server 2012.
>
> From Microsoft document "How to Identify the Windows Version in ACPI
> by Using _OSI", July 13, 2012.
>
> Signed-off-by: Bob Moore <[email protected]>
> Signed-off-by: Feng Tang <[email protected]>
> Signed-off-by: Len Brown <[email protected]>
>
> :040000 040000 55311ce2f9fed66501b06f93f67fa99b54d46e86
> 998889c21c3b68f8072ad131b643c592a4cbe423 M drivers
I originally logged this issue to the Ubuntu bug tracker[4], but it appears to
be an upstream issue and so I was instructed to report here.
Attached is more information on my environment and the output of acpidump.
Please let me know if there is anything I can do to help resolve this issue.
Thanks,
Jeff
[1] https://help.ubuntu.com/13.04/ubuntu-help/power-hibernate.html
[2] http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS013909
[3] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc3-saucy/
[4] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1179823
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