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SubjectRe: Patch breaks suspend
On 05/05/2015 02:37 AM, Rafael J. Wysocki wrote:
> On Saturday, May 02, 2015 11:27:32 PM Marian Marinov wrote:
>> Hi guys,
>> I have Lenovo T520 with one SSD and one SATA drive.
>>
>> I tried to upgrade to Linux 4.0 and found that after suspend and resume I can't access the second (SATA) drive.
>> Both drives have bios encryption enabled.
>>
>> I did a bisect and found that the following patch causes the issue:
>> commit 5d5132059a1f652de9dc2d62a8ff15561e648d11
>> Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>> Date: Sat Feb 22 00:48:31 2014 +0100
>>
>> ACPI / ATA: Add hotplug contexts to ACPI companions of SATA devices
>>
>> Modify the SATA subsystem to add hotplug contexts to ACPI companions
>> of SATA devices and ports instead of registering special ACPI dock
>> operations using register_hotplug_dock_device().
>>
>> That change will allow the entire code handling those special ACPI
>> dock operations to be dropped in the next commit.
>>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>> Reviewed-by: Aaron Lu <aaron.lu@intel.com>
>> Acked-by: Tejun Heo <tj@kernel.org>
>>
>> Unfortunately I do not understand this part of the code and have no idea what I can do.
>> Any pointers would be very appreciated.
> Well, not right from the top of my head, but this looks really suspicious to me.
>
> Can you please file a bug entry for this at bugzilla.kernel.org (in the ACPI/BIOS
> category), assign it to me and CC Aaron?
BUG created: https://bugzilla.kernel.org/show_bug.cgi?id=97731

Added you and Aaron to the CC list.

What additional info can I provide you? Would you like any debug info from the kernel it self?
Dmesg output?

Marian


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