<div dir="ltr"> <div class="gmail_extra"> <div class="gmail_quote">On Sat, Oct 3, 2015 at 12:23 PM, Colin Law <<a href="mailto:clanlaw@gmail.com" target="_blank">clanlaw@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 3 October 2015 at 20:03, P. Echols <<a href="mailto:p.echo926@gmail.com">p.echo926@gmail.com</a>> wrote: > Greetings all, > > This post has the what at the top and the "why" and background further down. > > I am trying to remove / purge the xorg-edgers ppa and revert to supported > repositories. Using ppa purge gives this: > > patton@XPS-8700:~$ sudo ppa-purge xorg-edgers > Updating packages lists > PPA to be removed: xorg-edgers ppa > Warning: Could not find package list for PPA: xorg-edgers ppa > > My searches suggest that this is because the ppa was installed on version > 14.04 and I did not remember their stern instruction to use ppa-purge before > the upgrade. (Note: I have absolutely no memory of installing the ppa in > the first place, or why.) > > What apparently happens now is that the package manager has no record of > anything being installed from the ppa, so there is nothing to "purge." That > is demonstrably wrong because of the issue that got me started in the first > place: > > The reason I discovered the problem at all was attemting to install VLC. > Results were this: > > The following packages have unmet dependencies: > vlc : Depends: libgles1-mesa (>= 7.8.1) but it is not going to be installed > or > libgles1 > > and > > patton@XPS-8700:~$ apt-cache policy libgl1-mesa-glx libglapi-mesa > libgl1-mesa-glx: > Installed: 10.6.0~git20150528+10.6.ffd133bd-0ubuntu0ricotz~trusty > Candidate: 10.6.0~git20150528+10.6.ffd133bd-0ubuntu0ricotz~trusty That suggests to me that you still have a trusty repository enabled. Have a look in your s/w sources and if you can find it then disable it and run sudo apt-get update && sudo apt-get dist-upgrade Colin </blockquote><div> </div></div>Thanks Colin, </div><div class="gmail_extra">I tried that. Results in "0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded." </div><div class="gmail_extra">I imagine that the system thinks the most recent version is installed. I could force reinstall those two libraries, but I'm concerned about breaking xorg entirely. </div></div>