https://bugs.kde.org/show_bug.cgi?id=437069
Bug ID: 437069
Summary: When data source property can't be read for plasmoid
instance, plasmashell becomes non-responsive
Product: plasma-systemmonitor
Version: 5.21.4
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ksysguard-b...@kde.org
Reporter: mogul...@gmail.com
CC: ahiems...@heimr.nl, plasma-b...@kde.org
Target Milestone: ---
Created attachment 138407
--> https://bugs.kde.org/attachment.cgi?id=138407&action=edit
xsession-errors
SUMMARY
Upgraded from Kubuntu 20.10 -> 21.04. Before upgrade, I had an instance of the
system monitor widget to monitor my hard disk I/O configured on my panel.
After upgrading, after logging in and plasmashell starts, it would go
non-responsive, with the plasmashell process using 100% of a CPU core. Killing
plasmashell would make the system responsive.
I noticed .xsession-errors exploded in size, so when looking, I found this
line:
> file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/FolderItemDelegate.qml:323:17:
> QML Label: Binding loop detected for property
> "width"plasma/plasmoids/org.kde.plasma.systemmonitor/contents/ui/main.qml:54:
> TypeError: Cannot read property 'length' of undefined
and then lines like this in the log over and over:
> kf.quickcharts.datasource: ModelSource: Invalid column XXX
(Where XXX was a number from 238 to 615)
and
> file:///usr/share/ksysguard/sensorfaces/org.kde.ksysguard.linechart/contents>
> /ui/LineChart.qml:93:13: Unable to assign [undefined] to int
I found my panel configuration in
~/.config/plasma-org.kde.plasma.desktop-appletsrc. I found the definition for
the system monitor widget in [Containments][num][Applets][Num], deleted it from
the config file, and restarted plasmashell. Problem went away
STEPS TO REPRODUCE
1. Have a system monitor plasmoid defined on a panel
2. Upgrade from Kubuntu 20.10 -> 21.04
3. Login after upgrade
OBSERVED RESULT
Plasmashell is unresponsive, maxing out a single CPU core
EXPECTED RESULT
Plasmashell is responsive
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Attached is a truncated .xsession-errors logfile (I cut it down once it just
started being filled with the repeating lines mentioned earlier).
Following is the plasmoid configuration
[Containments][2][Applets][40]
immutability=1
plugin=org.kde.plasma.systemmonitor
[Containments][2][Applets][40][Configuration]
PreloadWeight=60
[Containments][2][Applets][40][Configuration][Appearance]
chartFace=org.kde.ksysguard.linechart
title=Hard Disk Activity
[Containments][2][Applets][40][Configuration][ConfigDialog]
DialogHeight=720
DialogWidth=960
[Containments][2][Applets][40][Configuration][SensorColors]
acpi=61,99,233
acpi/Battery/0-Battery=61,73,233
acpi/Battery/0-Battery/Charge=61,161,233
acpi/Battery/0-Battery/ChargeDesign=61,159,233
acpi/Battery/0-Battery/Energy=61,157,233
acpi/Battery/0-Battery/EnergyDesign=61,156,233
acpi/Battery/0-Battery/Rate=61,154,233
acpi/Battery/0-Battery/RatePower=61,152,233
acpi/Cooling_Device/0-Processor=61,63,233
acpi/Cooling_Device/0-Processor/Activity=61,151,233
acpi/Cooling_Device/1-Processor=61,62,233
acpi/Cooling_Device/1-Processor/Activity=61,149,233
acpi/Cooling_Device/10-Processor=75,61,233
acpi/Cooling_Device/10-Processor/Activity=61,117,233
acpi/Cooling_Device/11-Processor=77,61,233
acpi/Cooling_Device/11-Processor/Activity=61,115,233
acpi/Cooling_Device/12-intel_powerclamp=79,61,233
acpi/Cooling_Device/12-intel_powerclamp/Activity=61,114,233
acpi/Cooling_Device/2-Processor=62,61,233
acpi/Cooling_Device/2-Processor/Activity=61,146,233
acpi/Cooling_Device/3-Processor=64,61,233
acpi/Cooling_Device/3-Processor/Activity=61,142,233
acpi/Cooling_Device/4-Processor=65,61,233
acpi/Cooling_Device/4-Processor/Activity=61,139,233
acpi/Cooling_Device/5-Processor=67,61,233
acpi/Cooling_Device/5-Processor/Activity=61,135,233
acpi/Cooling_Device/6-Processor=69,61,233
acpi/Cooling_Device/6-Processor/Activity=61,132,233
acpi/Cooling_Device/7-Processor=70,61,233
acpi/Cooling_Device/7-Processor/Activity=61,127,233
acpi/Cooling_Device/8-Processor=72,61,233
acpi/Cooling_Device/8-Processor/Activity=61,124,233
acpi/Cooling_Device/9-Processor=74,61,233
acpi/Cooling_Device/9-Processor/Activity=61,122,233
acpi/Thermal_Zone/1-TMEM=233,73,61
acpi/Thermal_Zone/1-TMEM/Temperature=61,147,233
acpi/Thermal_Zone/10-iwlwifi_1=233,88,61
acpi/Thermal_Zone/10-iwlwifi_1/Temperature=61,119,233
acpi/Thermal_Zone/2-SEN4=233,75,61
acpi/Thermal_Zone/2-SEN4/Temperature=61,144,233
acpi/Thermal_Zone/3-SEN2=233,76,61
acpi/Thermal_Zone/3-SEN2/Temperature=61,140,233
acpi/Thermal_Zone/3-pch_cannonlake=233,76,61
acpi/Thermal_Zone/3-pch_cannonlake/Temperature=61,142,233
acpi/Thermal_Zone/4-SEN1=233,78,61
acpi/Thermal_Zone/4-SEN1/Temperature=61,137,233
acpi/Thermal_Zone/4-SEN2=233,78,61
acpi/Thermal_Zone/4-SEN2/Temperature=61,137,233
acpi/Thermal_Zone/5-SEN1=233,80,61
acpi/Thermal_Zone/5-SEN1/Temperature=61,134,233
acpi/Thermal_Zone/5-SEN3=233,80,61
acpi/Thermal_Zone/5-SEN3/Temperature=61,134,233
acpi/Thermal_Zone/6-SEN3=233,81,61
acpi/Thermal_Zone/6-SEN3/Temperature=61,130,233
acpi/Thermal_Zone/6-TSKN=233,81,61
acpi/Thermal_Zone/6-TSKN/Temperature=61,130,233
acpi/Thermal_Zone/7-TSKN=233,83,61
acpi/Thermal_Zone/7-TSKN/Temperature=61,127,233
acpi/Thermal_Zone/7-pch_cannonlake=233,83,61
acpi/Thermal_Zone/7-pch_cannonlake/Temperature=61,129,233
acpi/Thermal_Zone/8-B0D4=233,85,61
acpi/Thermal_Zone/8-B0D4/Temperature=61,125,233
acpi/Thermal_Zone/9-x86_pkg_temp=233,86,61
acpi/Thermal_Zone/9-x86_pkg_temp/Temperature=61,120,233
cpu=233,61,232
cpu/all=61,97,233
cpu/all/coreCount=233,61,123
cpu/all/cpuCount=233,61,121
cpu/all/name=233,61,141
cpu/all/system=61,85,233
cpu/all/usage=61,84,233
cpu/all/user=61,82,233
cpu/all/wait=61,80,233
cpu/cpu0=94,61,233
cpu/cpu0/frequency=95,61,233
cpu/cpu0/name=233,61,131
cpu/cpu0/system=99,61,233
cpu/cpu0/temperature=97,61,233
cpu/cpu0/usage=100,61,233
cpu/cpu0/user=102,61,233
cpu/cpu0/wait=104,61,233
cpu/cpu1=105,61,233
cpu/cpu1/frequency=107,61,233
cpu/cpu1/name=233,61,153
cpu/cpu1/system=111,61,233
cpu/cpu1/temperature=109,61,233
cpu/cpu1/usage=112,61,233
cpu/cpu1/user=114,61,233
cpu/cpu1/wait=116,61,233
cpu/cpu10=211,61,233
cpu/cpu10/frequency=213,61,233
cpu/cpu10/name=233,61,144
cpu/cpu10/system=216,61,233
cpu/cpu10/temperature=214,61,233
cpu/cpu10/usage=218,61,233
cpu/cpu10/user=219,61,233
cpu/cpu10/wait=221,61,233
cpu/cpu11=223,61,233
cpu/cpu11/frequency=224,61,233
cpu/cpu11/name=233,61,133
cpu/cpu11/system=228,61,233
cpu/cpu11/temperature=226,61,233
cpu/cpu11/usage=229,61,233
cpu/cpu11/user=231,61,233
cpu/cpu11/wait=233,61,233
cpu/cpu2=117,61,233
cpu/cpu2/frequency=119,61,233
cpu/cpu2/name=233,61,149
cpu/cpu2/system=122,61,233
cpu/cpu2/temperature=121,61,233
cpu/cpu2/usage=124,61,233
cpu/cpu2/user=126,61,233
cpu/cpu2/wait=127,61,233
cpu/cpu3=129,61,233
cpu/cpu3/frequency=131,61,233
cpu/cpu3/name=233,61,146
cpu/cpu3/system=134,61,233
cpu/cpu3/temperature=132,61,233
cpu/cpu3/usage=136,61,233
cpu/cpu3/user=137,61,233
cpu/cpu3/wait=139,61,233
cpu/cpu4=141,61,233
cpu/cpu4/frequency=142,61,233
cpu/cpu4/name=233,61,129
cpu/cpu4/system=146,61,233
cpu/cpu4/temperature=144,61,233
cpu/cpu4/usage=147,61,233
cpu/cpu4/user=149,61,233
cpu/cpu4/wait=151,61,233
cpu/cpu5=152,61,233
cpu/cpu5/frequency=154,61,233
cpu/cpu5/name=233,61,128
cpu/cpu5/system=157,61,233
cpu/cpu5/temperature=156,61,233
cpu/cpu5/usage=159,61,233
cpu/cpu5/user=161,61,233
cpu/cpu5/wait=162,61,233
cpu/cpu6=164,61,233
cpu/cpu6/frequency=166,61,233
cpu/cpu6/name=233,61,139
cpu/cpu6/system=169,61,233
cpu/cpu6/temperature=167,61,233
cpu/cpu6/usage=171,61,233
cpu/cpu6/user=172,61,233
cpu/cpu6/wait=174,61,233
cpu/cpu7=176,61,233
cpu/cpu7/frequency=178,61,233
cpu/cpu7/name=233,61,154
cpu/cpu7/system=181,61,233
cpu/cpu7/temperature=179,61,233
cpu/cpu7/usage=183,61,233
cpu/cpu7/user=184,61,233
cpu/cpu7/wait=186,61,233
cpu/cpu8=188,61,233
cpu/cpu8/frequency=189,61,233
cpu/cpu8/name=233,61,151
cpu/cpu8/system=193,61,233
cpu/cpu8/temperature=191,61,233
cpu/cpu8/usage=194,61,233
cpu/cpu8/user=196,61,233
cpu/cpu8/wait=198,61,233
cpu/cpu9=199,61,233
cpu/cpu9/frequency=201,61,233
cpu/cpu9/name=233,61,136
cpu/cpu9/system=204,61,233
cpu/cpu9/temperature=203,61,233
cpu/cpu9/usage=206,61,233
cpu/cpu9/user=208,61,233
cpu/cpu9/wait=209,61,233
disk=233,61,221
disk/7468178e-4460-47b8-a952-1886a954c608=233,61,91
disk/7468178e-4460-47b8-a952-1886a954c608/free=233,61,89
disk/7468178e-4460-47b8-a952-1886a954c608/freePercent=233,61,87
disk/7468178e-4460-47b8-a952-1886a954c608/name=233,61,134
disk/7468178e-4460-47b8-a952-1886a954c608/read=233,61,84
disk/7468178e-4460-47b8-a952-1886a954c608/total=233,61,82
disk/7468178e-4460-47b8-a952-1886a954c608/used=233,61,81
disk/7468178e-4460-47b8-a952-1886a954c608/usedPercent=233,61,86
disk/7468178e-4460-47b8-a952-1886a954c608/write=233,61,79
disk/all=61,95,233
disk/all/free=233,61,211
disk/all/freePercent=233,61,103
disk/all/read=233,61,92
disk/all/total=233,95,61
disk/all/used=233,113,61
disk/all/usedPercent=233,61,101
disk/all/write=233,118,61
disk/de6421e2-480b-4f70-bf0d-393092c9b49d=61,174,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/free=61,172,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/freePercent=61,171,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/name=233,61,138
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/read=61,167,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/total=61,166,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/used=61,164,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/usedPercent=61,169,233
disk/de6421e2-480b-4f70-bf0d-393092c9b49d/write=61,162,233
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671=233,61,203
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/free=233,61,201
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/freePercent=233,61,200
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/name=233,61,126
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/read=233,61,196
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/total=233,61,195
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/used=233,61,193
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/usedPercent=233,61,198
disk/e36cbfa1-ca96-4692-9fbd-b278b9b11671/write=233,61,191
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b=61,112,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/free=61,110,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/freePercent=61,109,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/name=233,61,143
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/read=61,105,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/total=61,104,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/used=61,102,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/usedPercent=61,107,233
disk/e4a9d26c-baee-4d35-8ddf-d44078c3eb0b/write=61,100,233
disk/nvme0n1_(259:0)/Rate/rblk=61,233,119
disk/nvme0n1_(259:0)/Rate/wblk=61,173,233
gpu=233,61,206
gpu/all=61,94,233
gpu/all/totalVram=61,92,233
gpu/all/usage=61,90,233
gpu/all/usedVram=61,89,233
lmsensors=233,61,205
lmsensors/BAT0-acpi-0=61,75,233
lmsensors/BAT0-acpi-0/curr1=233,61,230
lmsensors/BAT0-acpi-0/in0=233,61,183
lmsensors/coretemp-isa-0000=92,61,233
lmsensors/coretemp-isa-0000/Core_0=80,61,233
lmsensors/coretemp-isa-0000/Core_1=82,61,233
lmsensors/coretemp-isa-0000/Core_2=84,61,233
lmsensors/coretemp-isa-0000/Core_3=85,61,233
lmsensors/coretemp-isa-0000/Core_4=87,61,233
lmsensors/coretemp-isa-0000/Core_5=89,61,233
lmsensors/coretemp-isa-0000/Package_id_0=233,61,106
lmsensors/dell_smm-virtual-0=233,61,223
lmsensors/dell_smm-virtual-0/fan1=233,61,218
lmsensors/dell_smm-virtual-0/fan2=233,61,216
lmsensors/iwlwifi_1-virtual-0=233,61,181
lmsensors/iwlwifi_1-virtual-0/temp1=233,61,67
lmsensors/nvme-pci-7100=233,61,118
lmsensors/nvme-pci-7100/Composite=61,65,233
lmsensors/nvme-pci-7100/Sensor_1=233,61,77
lmsensors/nvme-pci-7100/Sensor_2=233,61,76
lmsensors/pch_cannonlake-virtual-0=233,61,104
lmsensors/pch_cannonlake-virtual-0/temp1=233,61,66
lmsensors/ucsi_source_psy_USBC000:001-isa-0000=233,100,61
lmsensors/ucsi_source_psy_USBC000:001-isa-0000/curr1=233,61,226
lmsensors/ucsi_source_psy_USBC000:001-isa-0000/in0=233,61,185
lmsensors/ucsi_source_psy_USBC000:002-isa-0000=233,102,61
lmsensors/ucsi_source_psy_USBC000:002-isa-0000/curr1=233,61,228
lmsensors/ucsi_source_psy_USBC000:002-isa-0000/in0=233,61,188
lmsensors/ucsi_source_psy_USBC000:003-isa-0000=233,103,61
lmsensors/ucsi_source_psy_USBC000:003-isa-0000/curr1=233,61,225
lmsensors/ucsi_source_psy_USBC000:003-isa-0000/in0=233,61,186
memory=233,61,156
memory/physical=233,61,99
memory/physical/application=61,79,233
memory/physical/applicationPercent=61,77,233
memory/physical/buffer=61,72,233
memory/physical/bufferPercent=61,70,233
memory/physical/cache=61,68,233
memory/physical/cachePercent=61,67,233
memory/physical/free=233,61,215
memory/physical/freePercent=233,61,213
memory/physical/total=233,93,61
memory/physical/used=233,110,61
memory/physical/usedPercent=233,112,61
memory/swap=233,61,74
memory/swap/free=233,61,210
memory/swap/freePercent=233,61,208
memory/swap/total=233,97,61
memory/swap/used=233,115,61
memory/swap/usedPercent=233,117,61
network=233,61,124
network/all=61,87,233
network/all/download=233,61,220
network/all/totalDownload=233,90,61
network/all/totalUpload=233,98,61
network/all/upload=233,105,61
network/wlp2s0=233,61,64
network/wlp2s0/download=233,61,62
network/wlp2s0/ipv4address=233,61,61
network/wlp2s0/ipv6address=233,63,61
network/wlp2s0/network=233,65,61
network/wlp2s0/signal=233,66,61
network/wlp2s0/totalDownload=233,68,61
network/wlp2s0/totalUpload=233,70,61
network/wlp2s0/upload=233,71,61
os=233,61,116
os/kernel=233,61,175
os/kernel/name=233,61,173
os/kernel/prettyName=233,61,171
os/kernel/version=233,61,170
os/plasma=233,61,178
os/plasma/kfVersion=233,61,180
os/plasma/plasmaVersion=233,61,176
os/plasma/qtVersion=233,61,94
os/system=233,61,72
os/system/hostname=233,61,190
os/system/logo=233,61,114
os/system/name=233,61,113
os/system/prettyName=233,61,111
os/system/url=233,61,109
os/system/version=233,61,108
power=233,61,97
power/75=233,61,168
power/75/capacity=233,61,161
power/75/charge=233,61,166
power/75/chargePercentage=233,61,165
power/75/chargeRate=233,61,163
power/75/design=233,61,159
power/75/health=233,61,158
power/75/name=233,61,148
system=233,61,71
system/cores=90,61,233
system/cores/cores=233,92,61
system/processors=233,61,96
system/processors/processors=233,61,119
system/uptime=233,107,61
system/uptime/uptime=233,61,69
uptime=233,108,61
[Containments][2][Applets][40][Configuration][Sensors]
highPrioritySensorIds=["",""]
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