When using some Intel integrated graphic cards on Qubes R4.0, screen glitches may manifest after switching VTs or entering suspend mode.
A known workaround does exist for this bug, which is to add a configuration file with the following contents within /etc/X11/xorg.conf.d: > Section "Device" > Identifier "Intel Graphics" > Driver "modesetting" > Option "AccelMethod" "glamor" > Option "DRI" "3" > EndSection However, the X11 modesetting driver version in Fedora 25 has its own drawbacks: * It freezes briefly when re-configuring monitors (e.g. plugging in an external monitor or changing screen resolution) * XRandR keystone support is buggy To remediate this, I've patched the Linux i915 driver and it has been working fine for months. Only the patch for Linux 4.19 has been tested. If anyone is affected by the issue, please feel free to test the follow-up patches and give some feedback here. See also: * https://github.com/QubesOS/qubes-issues/issues/5244 * https://github.com/QubesOS/qubes-issues/issues/5377 * https://github.com/QubesOS/qubes-issues/issues/5460 Cheers, Jinoh Kang -- You received this message because you are subscribed to the Google Groups "qubes-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-devel/314ba374-891c-92c2-743b-89b3fef40233%40gmail.com.
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