https://bugs.kde.org/show_bug.cgi?id=480438
Bug ID: 480438
Summary: KDE Connect disconnects itself and does not connect
anymore
Classification: Applications
Product: kdeconnect
Version: 23.08.4
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: common
Assignee: albertv...@gmail.com
Reporter: andrew.pr...@gmail.com
CC: andrew.g.r.hol...@gmail.com
Target Milestone: ---
SUMMARY
Everything worked fine for a while, but from some point on there is almost
constantly no connection. This happened a long time ago, so I can't say what
caused it. The situation is as follows - pairing of devices is normal, and I
can use all functions. But after some time with the smartphone locked, the
connection is lost and all I see is the message "All paired devices are
unavailable". I tried running `killall kdeconnectd` and `kdeconnect-cli
--refresh`, but it doesn't help. Only re-pairing the device works, but not
always, sometimes the connection is lost immediately after pairing and I have
to repeat unpairing and pairing. Sometimes it helps to refresh the device page
on the smartphone a few times by pulling down from the top. Sometimes the first
refresh shows as if it connected for a second (there are buttons Send files,
Send clipboard, etc) and immediately disappears, the next time it connects
normally. Or no, it's random, sometimes it doesn't work at all
STEPS TO REPRODUCE
1. Pair the devices
2. Lock the phone
3. Wait and after a while the connection will be disconnected
OBSERVED RESULT
A broken connection that is not repaired by anything but re-pair
EXPECTED RESULT
Permanent connection
SOFTWARE/OS VERSIONS
Android: 12
Android KDE Connect: 1.29.0
Linux KDE Connect 23.08.4
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.12
Kernel Version: 6.7.0-0-MANJARO (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
uwf is disabled. Journalctl from suspicious shows only these errors:
kdeconnect.interfaces: dbus interface not valid
kdeconnect.interfaces: QDBusError("org.freedesktop.DBus.Error.UnknownObject",
"No such object path
'/modules/kdeconnect/devices/aa937f387c529772/notifications'")
I don't know if this is somehow related
I have a motorola edge plus with Android 12. KDE Connect is set to battery mode
"Unrestricted", mobile data is set to enable background usage and unrestricted
data access when Data Saver is on. Persistent notification is also enabled. UDP
device discovery is enabled. Also, I added the local ip of the laptop in the
KDE Connect settings. I tried to read logcat, from suspicious errors I found
only these:
01-28 15:17:12.020 13186 19715 W Device : Ignoring packet with type
kdeconnect.battery.request because no plugin can handle it
01-28 15:17:12.051 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.sendPacket(LanLink.java:147)
01-28 15:17:12.051 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:508)
01-28 15:17:12.051 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:480)
01-28 15:17:12.051 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.DevicePacketQueue$SendingRunnable.run(DevicePacketQueue.java:132)
01-28 15:17:12.051 13186 18763 E KDE/sendPacket: No device link (of 1
available) could send the packet. Packet kdeconnect.notification to
andre-workstation lost!
01-28 15:17:12.052 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.sendPacket(LanLink.java:146)
01-28 15:17:12.052 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:508)
01-28 15:17:12.052 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:480)
01-28 15:17:12.052 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.DevicePacketQueue$SendingRunnable.run(DevicePacketQueue.java:132)
01-28 15:17:12.052 13186 18763 E KDE/sendPacket: No device link (of 1
available) could send the packet. Packet kdeconnect.notification to
andre-workstation lost!
01-28 15:17:12.053 13186 23853 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.identityPacketReceived(LanLinkProvider.java:242)
01-28 15:17:12.053 13186 23853 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.tcpPacketReceived(LanLinkProvider.java:117)
01-28 15:17:12.053 13186 23853 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.lambda$setupTcpListener$3(LanLinkProvider.java:328)
01-28 15:17:12.053 13186 23853 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.$r8$lambda$EBOL-PERqPaie5mbG-VRBW1QEK0(LanLinkProvider.java:0)
01-28 15:17:12.053 13186 23853 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider$$ExternalSyntheticLambda1.run(R8$$SyntheticClass:0)
01-28 15:17:12.053 13186 23852 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.identityPacketReceived(LanLinkProvider.java:242)
01-28 15:17:12.053 13186 23852 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.tcpPacketReceived(LanLinkProvider.java:117)
01-28 15:17:12.053 13186 23852 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.lambda$setupTcpListener$3(LanLinkProvider.java:328)
01-28 15:17:12.053 13186 23852 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.$r8$lambda$EBOL-PERqPaie5mbG-VRBW1QEK0(LanLinkProvider.java:0)
01-28 15:17:12.053 13186 23852 E LanLinkProvider: at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider$$ExternalSyntheticLambda1.run(R8$$SyntheticClass:0)
01-28 15:17:12.057 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.sendPacket(LanLink.java:146)
01-28 15:17:12.057 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:508)
01-28 15:17:12.057 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.Device.sendPacketBlocking(Device.java:480)
01-28 15:17:12.057 13186 18763 E KDE/sendPacket: at
org.kde.kdeconnect.DevicePacketQueue$SendingRunnable.run(DevicePacketQueue.java:132)
01-28 15:17:12.058 13186 18763 E KDE/sendPacket: No device link (of 1
available) could send the packet. Packet kdeconnect.notification to
andre-workstation lost!
01-28 15:17:12.060 5417 5818 W DynamicVolume-DynamicVolumeService:
onForegroundActivitiesChanged, record latest volume:
AppStartVolume(packageUid=10324, packageName=org.kde.kdeconnect_tp,
timeInMillis=170644783
2059, date=Sun Jan 28 15:17:12 GMT+02:00 2024, startVolume=10, deviceType=2)
01-28 15:17:12.080 13186 23790 I KDE/LanLink: Beginning to send payload for
kdeconnect.notification
01-28 15:17:12.082 13186 23790 W System.err: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.sendPayload(LanLink.java:211)
01-28 15:17:12.082 13186 23790 W System.err: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.lambda$sendPacket$1(LanLink.java:161)
01-28 15:17:12.082 13186 23790 W System.err: at
org.kde.kdeconnect.Backends.LanBackend.LanLink.$r8$lambda$179vJeTDE8gUHpK7zDAhk-EB5is(LanLink.java:0)
01-28 15:17:12.082 13186 23790 W System.err: at
org.kde.kdeconnect.Backends.LanBackend.LanLink$$ExternalSyntheticLambda0.run(R8$$SyntheticClass:0)
01-28 15:17:12.093 13186 13196 W e.kdeconnect_t: Reducing the number of
considered missed Gc histogram windows from 118 to 100
01-28 15:17:12.119 13186 13198 W SQLiteConnectionPool: A SQLiteConnection
object for database '/data/user/0/org.kde.kdeconnect_tp/databases/Applications'
was leaked! Please fix your application to end transactio
ns in progress properly and to close the database when it is no longer needed.
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