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Thread: Screen Freeze on Leap 42.2 only option is reboot

  1. #21

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    I do not believe this has anything to do with device drivers or the Linux kernel. I've never had to do anything special with regard to these components, on any of several sets of hardware. GNOME, Cinnamon and Xfce do not exhibit this behavior on Leap 42.2 or any other distro. This appears to be problem with plasmashell 5.8.x, specifically, and I've opened a bug for this with the openSUSE team, with a note referencing the KDE team. Reference Leap 42.2. Bug 1014999.

  2. #22

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    So, after freezing desktop with option of acceleration "sna" by default.
    Today, three days later from the date of my the previous message.

    With option "uxa" for driver "intel" my desktop works fine, with small jerks, 3D-effects, OpenGL applications, i.e. Kodi, mpv, etc. woks also. Glxgears (vblank_mode=0 glxgears) 1200 FPS

    With method "glamour" for driver "modesetting" my desktop and all OpenGL Apps works fine, very smoothly. Glxgears (vblank_mode=0 glxgears) 2300 FPS

    My video Intel(R) Celeron(R) CPU J1900 @ 1.99GHz (4x)

    Grats and thaks for all who help me!!!!!

  3. #23
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    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by nsleasy View Post
    I do not believe this has anything to do with device drivers or the Linux kernel. I've never had to do anything special with regard to these components, on any of several sets of hardware. GNOME, Cinnamon and Xfce do not exhibit this behavior on Leap 42.2 or any other distro. This appears to be problem with plasmashell 5.8.x, specifically, and I've opened a bug for this with the openSUSE team, with a note referencing the KDE team. Reference Leap 42.2. Bug 1014999.
    read the info from the kde mailing list I posted
    Serious bug in the Intel graphics stack

    it's a known bug in the intel driver that is part of the Linux kernel and currently only effects plasma 5 it does not effect gnome or xfce or even kde 4, the kde devs are not working on it and have flagged it for upstream fix by intel,the intel devs are aware of it and are working on it.
    https://bugs.kde.org/show_bug.cgi?id=349519
    if you want to use plasma 5 no matter the distro you need to use uxa, when intel fix things you can use sna.

  4. #24
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    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by I_A View Post
    read the info from the kde mailing list I posted
    Serious bug in the Intel graphics stack

    it's a known bug in the intel driver that is part of the Linux kernel and currently only effects plasma 5 it does not effect gnome or xfce or even kde 4, the kde devs are not working on it and have flagged it for upstream fix by intel,the intel devs are aware of it and are working on it.
    https://bugs.kde.org/show_bug.cgi?id=349519
    if you want to use plasma 5 no matter the distro you need to use uxa, when intel fix things you can use sna.
    apparently this has been fixed
    https://bugs.freedesktop.org/show_bug.cgi?id=86281
    but the patch hasn't made it's way in the Linux kernel yet

  5. #25

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by I_A View Post
    Quote Originally Posted by nsleasy View Post
    I do not believe this has anything to do with device drivers or the Linux kernel. I've never had to do anything special with regard to these components, on any of several sets of hardware. GNOME, Cinnamon and Xfce do not exhibit this behavior on Leap 42.2 or any other distro. This appears to be problem with plasmashell 5.8.x, specifically, and I've opened a bug for this with the openSUSE team, with a note referencing the KDE team. Reference Leap 42.2. Bug 1014999.
    read the info from the kde mailing list I posted
    Serious bug in the Intel graphics stack
    it's a known bug in the intel driver that is part of the Linux kernel and currently only effects plasma 5 it does not effect gnome or xfce or even kde 4, the kde devs are not working on it and have flagged it for upstream fix by intel,the intel devs are aware of it and are working on it.
    https://bugs.kde.org/show_bug.cgi?id=349519
    if you want to use plasma 5 no matter the distro you need to use uxa, when intel fix things you can use sna.
    Quote Originally Posted by I_A View Post
    apparently this has been fixed
    https://bugs.freedesktop.org/show_bug.cgi?id=86281
    but the patch hasn't made it's way in the Linux kernel yet
    nsleasy, your extrapolating your experiences. There are lots of examples of hardware driver components interaction with a desktop being buggy (be it with KDE/Plasma or otherwise ... or with other system components, such as Display Managers etc., for that matter) . Just look at the case of the oss mesa components for nvidia hardware being stripped out of Leap 42.2: see section 1.5 of https://doc.opensuse.org/release-not...USE/Leap/42.2/ !!

    I_A, its not a kernel bug. No patch is finding its way to the kernel. See again my description of the stack in post #15 of this thread. Notice that all the fixes mentioned in the threads you've quoted are to either the intel xorg driver or to mesa. In other words, the userspace components. Further, those fixes would have been incorporated ages ago.

    Where I'm in agreement with nsleasy is that the problem is bad in plasma 5.8.4

    In any regard, lots of work arounds exist (as pointed out in this thread)

  6. #26

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by Tyler_K View Post
    Quote Originally Posted by ZStefan View Post
    Quote Originally Posted by Tyler_K View Post
    and yet another solution you can try is to forgo using the intel xorg driver and, instead, use alternative xorg driver solutions ...
    the generic xorg "modesetting" driver
    How to accomplish this?
    In any regard, lots of work arounds exist (as pointed out in this thread)
    To this point, (and though I don't really recommend it), besides as previously described, this can also be accomplished by removing the intel xorg driver (i.e. remove or rename the intel_drv.so driver, or for that matter remove the xf86-video-intel package), and the modesetting driver should kick in by default (i.e. it will be automagically loaded by Xorg).

  7. #27

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by nsleasy View Post
    I've opened a bug for this with the openSUSE team, with a note referencing the KDE team. Reference Leap 42.2. Bug 1014999.
    https://bugzilla.novell.com/show_bug.cgi?id=1014999

    I found that there was also some discussion about this on the factory ml; See:
    https://lists.opensuse.org/opensuse-.../msg00656.html ... the thread is discontinuous (likely because of the month view mode), but picks up again here: https://lists.opensuse.org/opensuse-.../msg00000.html

  8. #28

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by I_A View Post
    for plasma 5 to work on intel graphics you need to use/force uxa acceleration
    https://mail.kde.org/pipermail/kde-d...st/000088.html
    make the file /etc/X11/xorg.conf.d/20-intel.conf
    Code:
    kdesu kate /etc/X11/xorg.conf.d/20-intel.conf
    then paste this and save it
    Code:
    Section "Device"
       Identifier  "Intel Graphics"
       Driver      "intel"
       Option      "AccelMethod"  "uxa"
    EndSection
    As the original poster I can confirm that this workaround worked for me, no crashes since I put the file in and rebooted.

    Thanks.

  9. #29

    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Hello everybody,
    I have the same problem with a fresh install of Leap 42.2 with gnome. Do I have to wait for updates or can I try something else?

    Tnx.

  10. #30
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    Default Re: Screen Freeze on Leap 42.2 only option is reboot

    Quote Originally Posted by giuccvv View Post
    Hello everybody,
    I have the same problem with a fresh install of Leap 42.2 with gnome. Do I have to wait for updates or can I try something else?

    Tnx.
    Hi
    That all depends on you graphics card(s), is it intel or hybrid graphics perhaps?

    Code:
    /sbin/lspci -nnk |grep -A3 VGA
    Sometimes it's best to start a new thread, since this is related to plasma5/intel to avoid thread drift.
    Last edited by malcolmlewis; 14-Dec-2016 at 07:06.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
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