Re: Where are framebuffers/visuals created?
Bengt Ahlgren <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.x11 |
|---|---|
| Message-ID | <[email protected]> |
Greg V <[email protected]> writes: > On Wed, Sep 26, 2018 at 4:32 PM, Bengt Ahlgren <[email protected]> > wrote: >> I'd like to try to debug and find the cause of this issue with Kwin, >> but >> I don't know where in the graphics stack to start digging: >> >> https://mail.kde.org/pipermail/kde-freebsd/2018-April/027704.html >> >> In short, after an update of Mesa, Kwin complained about not finding >> the >> appropriate framebuffer, and refused doing compositing with opengl. >> >> So, my question is: where in the graphics stack are the >> framebuffers/visuals created? > > Looks like a somewhat common issue with KWin, people have had it with > > - Xinerama enabled on Nvidia: > https://bbs.archlinux.org/viewtopic.php?id=123715 > - Dual GPU laptops: https://bugs.kde.org/show_bug.cgi?id=323134 > > And this 32-bit requirement was dropped in KWin: > https://git.reviewboard.kde.org/r/126262/ > But that fix is probably only in Plasma5, not KDE4. (Time to drop > KDE4! ;)) Thanks for the pointer - I'll have a look at that fix! > Have you tried modesetting DDX (w/ glamor acceleration) instead of the > (terrible) intel DDX? > Just deleting the intel driver should accomplish that, but just in > case, manual xorg.conf config looks like: > > Section "Device" > Identifier "GPU" > Driver "modesetting" > Option "AccelMethod" "glamor" > EndSection Yes, I tried - no difference in this regard. The modsetting driver results in some artifacts, e.g. on window decorations, on my laptop (Intel Ironlake), so I'll stick with the Intel driver. Bengt _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-x11 To unsubscribe, send any mail to "[email protected]"