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LPM (Low Power Mode) breaks Lock-/Homescreen in [released]

Tracked by Jolla (In progress)

asked 2016-10-07 11:43:21 +0200

tobru gravatar image

As discussed in, the LPM mode ("mcetool --set-low-power-mode=enabled") breaks the Lock-/Homescreen. This is so sad as this is a real great feature (I loved it most on my Nokia N9). Hopefully this gets fixed for the final 2.0.4 release.

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The question has been closed for the following reason "released in a software update" by nthn
close date 2016-11-29 03:18:36.413983



what is the function of LPM exactly please?

cemoi71 ( 2016-10-07 12:28:13 +0200 )edit

@tobru thank you very much for your answer. With it i found an other link of a french blog site which talk about it.

cemoi71 ( 2016-10-07 13:22:16 +0200 )edit

It works for me... I had LPM activated before upgrade and it still works. I use the Jolla 1.

Yo ( 2016-10-09 14:44:23 +0200 )edit

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answered 2016-10-09 21:04:03 +0200

spiiroin gravatar image

updated 2016-11-01 10:29:39 +0200

There is already an internal bug ticket for this issue.

So far it seem that the issue occurs only in Jolla C and AquaFish phones.

While it can be reproduced quite reliably, it would be nice to know if it has occurred to anyone before upgrading to 2.0.4.


I found probable reason for the breakage. Affects Jolla C, Aquafish and Turing phones (and probably all community ports that use the same qt5-qpa-hwcomposer-plugin variant as those do) with sfos 2.0.4.


Fixed in: qt5-qpa-hwcomposer-plugin >=


The fix is scheduled to be included in 2.0.5 upgrade.

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It was working perfectly on my jolla C during the last two months. I encountered this bug just after the 2.0.4 update. I had to disable LPM and to wait for a fix. Good to hear that there is already an internal ticket for that!

sausset ( 2016-10-09 22:10:03 +0200 )edit

Worked for me with <2.0.4 (JollaC)

cy8aer ( 2016-10-09 22:16:10 +0200 )edit

Seems to affect Nexus5 too??

UPDATE: Wrong thread in tmo. Just ignore this message.

cy8aer ( 2016-10-09 22:17:54 +0200 )edit

Great to hear! Enabling LPM was one of the first things I did after unpacking Jolla C and since then it worked great, until the upgrade to

tobru ( 2016-10-09 23:12:58 +0200 )edit

I had this with on Moto G (falcon). Could be different bug, but symptoms were same and it was cured by disabling LPM.

Manatus ( 2016-10-09 23:32:17 +0200 )edit

answered 2016-11-28 16:38:25 +0200

cuh7b5 gravatar image early release update seems to solve the problem on Jolla C.

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Same here.

sausset ( 2016-11-28 16:39:39 +0200 )edit

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Asked: 2016-10-07 11:43:21 +0200

Seen: 1,602 times

Last updated: Nov 28 '16