On Samstag, 18. November 2017 15:34:16 CET Friedrich W. H. Kossebau wrote: > Am Donnerstag, 16. November 2017, 23:24:52 CET schrieb Ingo Klöcker: > > On Dienstag, 7. November 2017 20:55:57 CET Martin Flöser wrote: > > > Am 2017-11-07 20:08, schrieb Martin Koller: > > > >> Are you aware that KWin uses QtQuick for all its UI elements, such as > > > >> Alt+TAB? > > > > > > > > I have deactivated the compositor since sadly it simply does not work > > > > on my laptop (the intel graphics driver just freezes the whole > > > > machine). > > > > > > I did not talk about compositor, I talked about QtQuick! Yes, KWin uses > > > QtQuick for rendering it's UI, that is unrelated to compositing. > > > > > > Now you mention that your intel graphics driver freezes the whole > > > system. I'm using Intel on all my systems and it's the most used driver > > > out there. We get many, many, many bug reports in KWin about issues. > > > Freezing systems has not been in the list for now something like two > > > years. > > > > > > Given that I am very certain that you have a hardware issue where people > > > can help you with. Intel GPUs are good enough to run the Plasma session > > > without any negative impact. > > > > > > So let us help you fix your issues that you can enjoy our work without > > > having to spend time on writing your own shell. > > > > > > First thing: are you using the xorg-modesettings driver? If not: install > > > it, problems solved. Do not (I repeat) do not use the xorg-intel driver. > > > > > > For kernel I recommend at least version 4.13 as this comes with the > > > atomic modesettings driver stack enabled by default. If you do not have > > > such a kernel version yet I highly recommend to give it a try. > > > > Martin, thanks a lot for your advice! > > > > I've suffered from freezes since I updated my openSUSE 13.2 to Tumbleweed > > some time ago (and much longer on my laptop where I've switched to Leap > > and > > later Tumbleweed much earlier). > > Same here, happy to finally see someone with correlated experience. I never > got any useful hints in the log files, so was close to consider my hardware > broken. Strange enough all freezes seemed to happen while moving the mouse > though, which kept the hope alive it was something software-related. > > Curious to see if my daily freeze will now be a thing of the past now that I > changed the driver. Though I am on a 2nd gen 915 device, while all the > modesettings driver talk I came across on a quick search seemed to be only > about gen4 and later? No issues seen for one hour so far, hope grows :) > > The switch to the modesetting driver seems > > to have fixed those issues. It took me some time to find out how to enable > > the modesetting driver. To save others the time here's how to do it: Write > > #===== > > Section "Device" > > > > Identifier "Intel Graphics" > > Driver "modesetting" > > > > EndSection > > #===== > > to a file in /etc/X11/xorg.conf.d/, e.g. 50-device.conf. Make sure that > > this is the only (or at least the first) "Device" section in any of the > > files in /etc/X11/xorg.conf.d/. > > Another approach seems to be to uninstall xf86-video-intel, that way the > seemingly hardcoded driver-auto-match logic will skip forward to the > modesetting driver: > > [ 12.125] (==) Matched intel as autoconfigured driver 0 > [ 12.125] (==) Matched intel as autoconfigured driver 1 > [ 12.125] (==) Matched modesetting as autoconfigured driver 2 > [ 12.125] (==) Matched fbdev as autoconfigured driver 3 > [ 12.125] (==) Matched vesa as autoconfigured driver 4 > [ 12.125] (==) Assigned the driver to the xf86ConfigLayout > [ 12.125] (II) LoadModule: "intel" > [ 12.127] (WW) Warning, couldn't open module intel > [ 12.127] (II) UnloadModule: "intel" > [ 12.127] (II) Unloading intel > [ 12.127] (EE) Failed to load module "intel" (module does not exist, 0) > [ 12.127] (II) LoadModule: "modesetting" > [ 12.127] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so
I've also recently come across this. According to [1] the performance is supposedly much worse. Is this still true for more recent mesa/kernel versions? [1]: https://www.phoronix.com/scan.php?page=news_item&px=Intel-DDX-May-Tests Thanks, I'll have to try this out -- Milian Wolff m...@milianw.de http://milianw.de
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