Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: dbus (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1497750
Title:
dbus-daemon uses huge amount of CPU
Status in dbus package in Ubuntu:
Confirmed
Bug description:
dbus-daemon is working all the time on ubuntu phone, using up to 100%
CPU. It seems that some services are emitting messages continuously,
particularly Upstart and network indicator. The phone becomes
unusable and must be restarted to work
Disabling wifi reduces a lot the amount of messages
Phone : BQ Aquaris E4.5 Ubuntu Edition
DistroRelease: Ubuntu 15.04 (r25)
Uname: Linux ubuntu-phablet 3.4.67
extract from dbus--monitor --profile --session (lots of messages
without actually using the phone)
sig 1442761291 858477 83609 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761291 877536 83610 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761292 667180 83611 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761292 722328 1416 /com/canonical/indicator/power
org.gtk.Actions Changed
sig 1442761292 760751 83612 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761292 764403 83613 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761292 768329 83614 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761295 884397 6118 /com/canonical/indicator/network
org.gtk.Actions Changed
sig 1442761295 905577 83615 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761295 907594 83616 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761300 773941 1417 /com/canonical/indicator/power
org.gtk.Actions Changed
sig 1442761300 781362 83617 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761300 782578 83618 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761306 862983 83619 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
sig 1442761306 882480 83620 /com/ubuntu/Upstart
com.ubuntu.Upstart0_6 EventEmitted
lots of messages are concerning access points
Extract from dbus--monitor --session
signal sender=:1.58 -> dest=(null destination) serial=6139
path=/com/canonical/indicator/network; interface=org.gtk.Actions; member=Changed
array [
]
array [
]
array [
dict entry(
string "accesspoint.1259::strength"
variant byte 59
)
]
array [
]
signal sender=:1.0 -> dest=(null destination) serial=83772
path=/com/ubuntu/Upstart; interface=com.ubuntu.Upstart0_6; member=EventEmitted
string "dbus"
array [
string "SIGNAL=Changed"
string "BUS=session"
string "INTERFACE=org.gtk.Actions"
string "OBJPATH=/com/canonical/indicator/network"
string "SENDER=:1.58"
]
signal sender=:1.0 -> dest=(null destination) serial=83773
path=/com/ubuntu/Upstart; interface=com.ubuntu.Upstart0_6; member=EventEmitted
string "dbus"
array [
string "SIGNAL=PropertiesChanged"
string "BUS=system"
string "INTERFACE=org.freedesktop.NetworkManager.AccessPoint"
string "OBJPATH=/org/freedesktop/NetworkManager/AccessPoint/2913"
string "SENDER=:1.7"
]
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: dbus 1.8.12-1ubuntu5
Uname: Linux 3.4.67 armv7l
ApportVersion: 2.17.2-0ubuntu1.3
Architecture: armhf
CurrentDesktop: Unity
Date: Sun Sep 20 16:40:39 2015
InstallationDate: Installed on 2015-08-25 (25 days ago)
InstallationMedia: Ubuntu 15.04 - armhf (20150825-170536)
SourcePackage: dbus
UpgradeStatus: No upgrade log present (probably fresh install)
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