Sleep mode on Thinkpad x201

Colin Law clanlaw at googlemail.com
Tue Mar 19 16:46:59 UTC 2013


On 19 March 2013 15:57, Alexandre Strube <surak at surak.eti.br> wrote:
> Actually, I noticed that this happen when the big display connected to the
> displayport output of the docking station is turned on. The notebook wakes
> up fine, but then the secondary screen is turned on, and Ubuntu wants to
> send the image to it and dies. No keyboard, no nothing. But there is still
> disk activity, god knows why. Still, I don't know to which component I
> should open a bug against.

Does it recover if you disconnect the second display?  I have had
problems if I connect a second screen before powering the screen up,
though not as major as your issues.  It is always ok if I power up the
screen before connecting it to the laptop.  This is not on a Thinkpad.

Colin

>
>
> 2013/3/19 Jeff Lane <jeffrey.lane at canonical.com>
>>
>> On 03/15/2013 08:33 AM, Alexandre Strube wrote:
>>>
>>> Hello list,
>>>
>>>  From 12.10 to 13.04 updated daily, one bug appears and disappears again
>>> every couple of updates. The bug is related to the Lenovo X201 entering
>>> sleep mode.
>>>
>>> It's a kind of russian roulette. I never know if the machine will wake
>>> up again. Most of the time it just stays there. Black screen, no answer
>>> to capslock or usb, nothing. Just the disk showing activity every now
>>> and then. Apart from that, the machine is as dead as it can be.
>>>
>>> Sometimes, it works for weeks. Sometimes, at the first time it enters
>>> sleep mode, things go bad.
>>>
>>> I don't even know what to look for and to which component I should open
>>> this bug against. Can anyone point me to somewhere?
>>
>>
>> I had the same issue and thought it had cleared up, but apparently not as
>> I'm seeing exactly the same behaviour.  Here's a quantal bug I filed a while
>> back that has been since marked fix-released:
>>
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1074589
>>
>> As it's a suspend/resume issue, file a kernel bug:
>>
>> # ubuntu-bug linux
>>
>> I saw the issue in Quantal, it was fixed somehow in an SRU and now appears
>> to be in Quantal again. I've also got Raring installed on the machine but
>> have not played with it enough to see if this behaviour reproduces in Raring
>> or not for me.
>>
>>
>>>
>>> --
>>> []
>>> Alexandre Strube
>>> surak at ubuntu.com <mailto:surak at ubuntu.com>
>>>
>>>
>>
>>
>> --
>> Jeff Lane - Hardware Certification Engineer and Test Tools Developer
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>
>
>
>
> --
> []
> Alexandre Strube
> surak at ubuntu.com
> --
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