Public bug reported:
Short story:
I have a CyberPower 825AVR (USB attached) when attaching my iPhone or iPad (via
USB) to charge, the Unity (gnome power manager?) displays a message saying the
UPS battery is critically low and the system will shut down immediately. It
does shut down immediately. It seems that upowerd or the gnome power manager
"confuses" the device's (e.g., my iPhone's) battery with my UPS's battery.
Interestingly, if I unplug the UPS cable, plug-in my iPhone, and then plug-in
my UPS, the system does not shut down. However, the gnome power manager icon
disappears and reappears at an interval of a second or two.
Hopefully Useful Details:
- Fresh install of Ubuntu 15.10 on my mid-2011 (i5-2400S, 20GB RAM) 21.5" iMac.
- Single boot (OS/X is not installed).
- UPS battery is in good health and fully charged.
- Power drain on UPS is minimal: iMac, additional LCD display, and desktop
speakers.
upower:
Installed: 0.99.3-1build2
Candidate: 0.99.3-1build2
Version table:
*** 0.99.3-1build2 0
500 http://us.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
100 /var/lib/dpkg/status
gnome-power-manager:
Installed: 3.16.1-1ubuntu1
Candidate: 3.16.1-1ubuntu1
Version table:
*** 3.16.1-1ubuntu1 0
500 http://us.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
100 /var/lib/dpkg/status
I wrote a mark in syslog before plugging in my iPhone and attached the
(hopefully) relevant part of the log. I think line 41 is the key.
Of course, if you need info or help, please ask.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: upower 0.99.3-1build2
ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
Uname: Linux 4.2.0-22-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Dec 29 20:35:33 2015
InstallationDate: Installed on 2015-12-21 (8 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
SourcePackage: upower
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: upower (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
** Attachment added: "Relevant portion of syslog"
https://bugs.launchpad.net/bugs/1530014/+attachment/4541985/+files/power.log
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https://bugs.launchpad.net/bugs/1530014
Title:
When charging phone/tablet, power management says UPS battery is low
and causes immediate shutdown
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