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Thread: Semi-hang or partial freeze. KDE

  1. #1
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    Default Semi-hang or partial freeze. KDE

    Hi guys, I have recently been having a very annoying glitch. After a random period of time KDE partially locks or hangs, mainly responses to mouse. It is not easy to fully document but:
    Window in focus, I can scroll with wheel, enter text. I can spin through virtual desktops with the keyboard. I can Alt-f2 and launch krunner and applications. But I can't click the panel to change the application in focus. Sometimes the mouse self-selects a load of text or items from the screen, which cannot be unselected with mouse or escape key.

    Nothing is reported to dmesg or anywhere else that I can think of to look.

    ....! Happily enough it has happened now whilst writing this. !...



    So I can click to insert an annoying smiley


    I cant use the panel to launch apps or switch to those already running.
    I can't click or hover over 'task bar' items like klipper, volume, notifications, clock etc
    I can left-click drag the scrollbar.
    ATM I can select text and right-click to get a context menu.

    I have switched off desktop effects.

    I have not yet done an extended test with a new or alternate user.


    If I alt-ctrl-Fx to bring up a console, and then alt-ctrl-F7 to bring back the X window, the problem clears itself, even without logging in to ttyx

    Are there any log-files which might be illuminating?

    Any suggestions gratefully received.

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

  2. #2
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    Default Re: Semi-hang or partial freeze. KDE

    Hmm 66 views and no replies. Another one of those 'just me' issues?

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

  3. #3
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    Default Re: Semi-hang or partial freeze. KDE

    Test a new user and see if the problem develops
    Leap 15.1_KDE
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  4. #4
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    Default Re: Semi-hang or partial freeze. KDE

    Thanks Caf. I just tried briefly with a tester account and the freeze-up happened within 10 mins. I will fire up a LXDE session later, and see if it breaks there too.

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

  5. #5
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    Default Re: Semi-hang or partial freeze. KDE

    Your sig says you are using nvidia driver - Is that correct.
    And your hardware sounds similar to my old rig, except I had a 8500GT card
    Leap 15.1_KDE
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  6. #6
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    Default Re: Semi-hang or partial freeze. KDE

    I experienced the strange behavior described here on my HP DV7 Laptop as well.

    I first experienced it after an update on Saturday (Sept 19).
    As described, Alt-F1, then Alt-F7 clears it for a random period of time (minutes, sometimes hours).

    I have been travelling with it, no time to debug yet
    Desk: i7-4790K Leap 15.1(x86_64)4.12.14-lp151.28.7-default KF5 59.0 Plasma 5.14.4 Qt 5.13.0
    Lap: HPDV7T i7 Leap 15.0(x86_64)4.12.14-lp151.28.7-default KF5 59.0 Plasma 5.14.4 Qt 5.13.0

  7. #7
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    Default Re: Semi-hang or partial freeze. KDE

    Quote Originally Posted by caf4926 View Post
    Your sig says you are using nvidia driver - Is that correct.
    And your hardware sounds similar to my old rig, except I had a 8500GT card
    Yes, 304.108 (patched, installed 'hard' way, kernel 3.11.1xxxxxxx from kernel-stable repo. The problem was occuring before the kernel/video driver change)

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

  8. #8
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    Default Re: Semi-hang or partial freeze. KDE

    Just to remove another possibility ( My mouse is old and was filled with gunk and crud, I 'serviced' it last week) I swapped the mouse for a newish good-quality one from another PC. Hang/freeze still occurred.

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

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    Default Re: Semi-hang or partial freeze. KDE

    Quote Originally Posted by wakou View Post
    Just to remove another possibility ( My mouse is old and was filled with gunk and crud, I 'serviced' it last week) I swapped the mouse for a newish good-quality one from another PC. Hang/freeze still occurred.
    I don't know about you - but all my machines run a main install and I then have another version of Linux beside it,which I keep as a test/backup OS
    In case of the Laptop I am working from now. It's main OS is openSUSE 12.3 with Mint 14 beside
    My main Box is 12.3 with Ubuntu 12.04

    With HD real estate being so plentiful these days. It's perhaps worth considering?
    It can help you troubleshoot
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  10. #10
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    Default Re: Semi-hang or partial freeze. KDE

    A good idea, as usual Caf. I have been thinking about installing mint or the newish mini-Ubuntu LXLE, for a trial, with a view to 'converting' my parents, whose PC (like them) is very old and decrepit, and barely runs XP, let alone the "shall I buy this Windows 8" that my father keeps asking me.

    I will clear out a space and put the LXLE on to the HDD. And hope that GRUB2 can find it OK!

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

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