Public bug reported:
When upower was updated, the system claimed that my UPS was empty. The
system then proceeded to shut down. On reboot, the UPS was fully
charged as expected.
This is a major data loss concern. The system shut down while upgrading
packages. Perhaps the bug is in the handling of my specific UPS but
it's still important.
jlquinn@cerberus:~$ lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04
jlquinn@cerberus:~$ apt-cache policy upower
upower:
Installed: 0.99.4-2ubuntu0.2
Candidate: 0.99.4-2ubuntu0.2
Version table:
*** 0.99.4-2ubuntu0.2 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
100 /var/lib/dpkg/status
0.99.4-2 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
output of lsusb -v for my UPS
Bus 003 Device 002: ID 0764:0501 Cyber Power System, Inc. CP1500 AVR UPS
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0764 Cyber Power System, Inc.
idProduct 0x0501 CP1500 AVR UPS
bcdDevice 0.01
iManufacturer 3 CPS
iProduct 1 CP625HGa
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 50mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 33 US
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 410
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: upower 0.99.4-2ubuntu0.2
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Jun 8 00:27:23 2016
InstallationDate: Installed on 2016-05-30 (8 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: upower
UpgradeStatus: Upgraded to xenial on 2016-05-31 (7 days ago)
** Affects: upower (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1590244
Title:
Upgrading upower package caused forced reboot
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