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Re: [Libreboot] VGA Output Slow With GNOME

From: Joshua Bowren
Subject: Re: [Libreboot] VGA Output Slow With GNOME
Date: Tue, 03 Nov 2015 23:27:44 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0

There seems to be a old bug report for this on gnome's bug tracking system, however this report is from 2011 and still open. It seems to effect older intel GPUs. Reading through the comments, it might be that old intel GPUs do not support high resolution texture sizes, which causes gnome to fall back to software rendering while plugged in. Gnome's software acceleration was supposed to improve by the time fallback mode was removed, but it still seems too slow.

Unfortunately the last comment seems to be from January of 2013, they might have temporarily given up on this issue. Perhaps it is better to just use a different desktop environment for using external displays. Weird since Denis said KDE seems to work fine. I would think KDE would be even more resource demanding than gnome.

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