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sidamos
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Joined: 16 Dec 2007
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 Posted: Sun Feb 26, 2017 10:11 am Post subject: Plasma 5 local sessions: Lock screen crashes |
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I finally updated from KDE 4 to Plasma 5 yesterday.
I am usually using 2 local sessions with 2 different users. Gfx driver is Nvidia binary.
I have tried sddm and lightdm.
In 2 hours, the lock screen crashed twice, displaying that silly text about using some systemd tool to rescue the session and also twice the complete original session crashed while switching to another local session.
Any hints on how this could be investigated?
Thanks! |
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sidamos
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Joined: 16 Dec 2007
Posts: 229
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| Posted: Sun Feb 26, 2017 3:47 pm Post subject: |
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I have these entries in the log around the time I had lock screen crashes:
| Code: | Feb 26 16:42:54 linux acpid[4799]: client 8782[0:0] has disconnected
Feb 26 16:42:54 linux root[11089]: ACPI event unhandled: jack/lineout LINEOUT unplug
Feb 26 16:42:54 linux root[11092]: ACPI event unhandled: jack/videoout VIDEOOUT unplug
Feb 26 16:42:54 linux console-kit-daemon[5299]: GLib-GIO-CRITICAL: g_dbus_method_invocation_return_value_internal: assertion 'G_IS_DBUS_METHOD_INVOCATION (invocation)' failed
Feb 26 16:42:55 linux acpid[4799]: client 8782[0:0] has disconnected
Feb 26 16:42:55 linux acpid[4799]: client connected from 2236[0:0]
Feb 26 16:42:55 linux acpid[4799]: 1 client rule loaded
Feb 26 16:42:55 linux kernel: snd_hda_codec_hdmi hdaudioC1D3: HDMI: invalid ELD data byte 38
Feb 26 16:42:55 linux acpid[4799]: client connected from 2236[0:0]
Feb 26 16:42:55 linux acpid[4799]: 1 client rule loaded
Feb 26 16:42:55 linux root[11157]: ACPI event unhandled: jack/lineout LINEOUT plug
Feb 26 16:42:55 linux root[11159]: ACPI event unhandled: jack/videoout VIDEOOUT plug
Feb 26 16:43:09 linux polkitd[5311]: Unregistered Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session26 (system bus name :1.406, object path /org/kde/PolicyKit1/AuthenticationAgent, locale de_DE.UTF-8) (disconnected from bus)
Feb 26 16:43:09 linux root[11226]: ACPI event unhandled: jack/lineout LINEOUT unplug
Feb 26 16:43:09 linux root[11228]: ACPI event unhandled: jack/videoout VIDEOOUT unplug
Feb 26 16:43:09 linux kernel: traps: ck-remove-direc[11244] trap int3 ip:7f38905a67c0 sp:7ffc9206aa30 error:0
Feb 26 16:43:09 linux lightdm[2357]: pam_unix(lightdm:session): session closed for user thomas |
The "console-kit-daemon" and "kernel: traps" messages are red. I don't know, if this is related to the crashes of the lock screen. |
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sidamos
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Joined: 16 Dec 2007
Posts: 229
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| Posted: Sun Feb 26, 2017 9:23 pm Post subject: |
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Got one crash report from kwin on TTY 8 (:1), but session was still alive:
http://pastebin.com/UBFwGvcR
Forgot one important point:
I have 2 monitors, which are defined in xorg.conf. Each has its own X display (:0.0 and :0.1). I only use the 2nd monitor (TV) to explicitly start programs there (MythTV).
Also, when the session is locked, I can't see the "." while typing the password to unlock.
I have now deleted the 2nd monitor from xorg.conf and also in KDE system settings.
One immediately visible difference: I see now the "." when typing the password to unlock the screen.
Perhaps the crashes will not occur anymore now. Testing...
Edit:
One other thing, I have /usr/local/bin/kwin with this content:
#!/bin/bash
__GL_YIELD=USLEEP /usr/bin/kwin
This is preventing tearing for horizontal movements, also TripleBuffer is activated in xorg.conf. |
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sidamos
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