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Message #113198
Re: [Bug 1429887] Re: Sometimes need 3 power button presses to turn on screen
Sorry for the late reply. I unfortunately overlooked your post.
Yes, I am on OTA-7 and I am getting it constantly, although not every
single time I want to turn on the screen.
Ari
Den 22. okt. 2015 20:20, skrev Michael Terry:
> I'm beginning to doubt that this is particularly associated with system
> load (there was speculation that this is related to the scenario of wifi
> APs causing NetworkManager and dbus-daemon to go crazy, slowing down the
> system, which is a separate bug).
>
> I've used the following script in /etc/init/load.conf to simulate heavy
> system load:
>
> description "load"
> manual
> script
> while true; do true; done &
> while true; do true; done &
> while true; do true; done &
> while true; do true; done &
> while true; do true; done &
> exec cpulimit -l 1 -c 1 -p `ps ax | grep dbus-daemon | head -n 1 | awk '{print $1;}'`
> end script
>
> And it definitely slows things down. But I couldn't reproduce this
> specific bug with that running. I actually haven't seen it at all on my
> test or daily driver devices since OTA7. I don't know if that means it
> is fixed, harder to reproduce, or I've just been lucky.
>
> Ari, you mention seeing this a lot. Are you on OTA7?
>
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to powerd in Ubuntu.
https://bugs.launchpad.net/bugs/1429887
Title:
Sometimes need 3 power button presses to turn on screen
Status in Canonical System Image:
Incomplete
Status in Unity System Compositor:
New
Status in powerd package in Ubuntu:
Confirmed
Status in unity8 package in Ubuntu:
Confirmed
Bug description:
[filing here although may be other components]
Mako running 211 from rtm
I experienced these symptoms which have been previously mitigated in other scenarios.
Last week while traveling and roaming this happened pretty much 100% of the time.
This occurred in all areas (hotel, MWC, outside, etc)
Press power button, no response
Press button again, screen turns on for a few seconds then turns off
Press button again, either phone resumes or more often the power dialog is shown
When I returned back home the function was normal without reboot or
other changes.
The differences in environment:
Roaming on foreign GSM network
Lots of Wifi APs not connected
Attached are some perhaps relevant logs, unfortunately the syslog
rolled.
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https://bugs.launchpad.net/canonical-devices-system-image/+bug/1429887/+subscriptions
References