Content display with distortion after rotated device to landscape and back with screen locked

[Evan Wang]

$ system-image-cli -i
current build number: 42
device name: arale
channel: ubuntu-touch/rc-proposed/meizu.en
last update: 2015-08-31 00:09:24
version version: 42
version ubuntu: 20150630.1
version device: 20150608-6e66f3c
version custom: 20150602-731-5-32

Steps to reproduce:
1.Open one app, such as Messages, camera or System Settings,etc.
2.Rotate device to landscape then lock the device
3.Rotate device back to straight up and unlock the device
4.Check if the contents display normally

Expected results:
The contents display normally without distortion

Actual results:
The contents display with distortion

[Sebastien Bacher (seb128)]

seems like bug #1469963