Public bug reported:
I just bootstrap flashed the latest image from channel=ubuntu-touch/rc-
proposed/bq-aquaris.en onto my Nexus 4 (mako):
current build number: 115
device name: mako
channel: ubuntu-touch/rc-proposed/bq-aquaris.en
last update: 2015-09-18 08:08:10
version version: 115
version ubuntu: 20150918
version device: 20150911
version custom: mako-1.1
Using top I see the process "Binder_2" sitting at 100% CPU usage
constantly. No amount of waiting or rebooting seems to rectify the
problem. I see nothing interesting in syslog, but this is the output of
logcat:
phablet@ubuntu-phablet:~$ /system/bin/logcat
--------- beginning of /dev/alog/main
D/libEGL ( 5655): loaded /system/lib/egl/libEGL_adreno.so
D/libEGL ( 5655): loaded /system/lib/egl/libGLESv1_CM_adreno.so
D/libEGL ( 5655): loaded /system/lib/egl/libGLESv2_adreno.so
I/Adreno-EGL( 5655): <qeglDrvAPI_eglInitialize:320>: EGL 1.4 QUALCOMM Build:
I0404c4692afb8623f95c43aeb6d5e13ed4b30ddbDate: 11/06/13
W/Adreno-EGL( 5655): <qeglDrvAPI_eglSwapInterval:3795>: EGL_BAD_CONTEXT
I then reflashed my phone with channel=ubuntu-touch/rc-proposed/ubuntu
and there was no Binder_2 CPU issue with that image:
current build number: 243
device name: mako
channel: ubuntu-touch/rc-proposed/ubuntu
last update: 2015-09-18 08:31:30
version version: 243
version ubuntu: 20150918
version device: 20150911
version custom: 20150918
** Affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Affects: android (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1497167
Title:
Binder_2 process using 100% CPU on mako
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