Fred Smith wrote: > On Mon, Jun 20, 2016 at 04:13:35PM -0400, m.roth at 5-cent.us wrote: >> Fred Smith wrote: >> > On Mon, Jun 20, 2016 at 02:59:29PM -0400, Jon LaBadie wrote: >> >> On Mon, Jun 20, 2016 at 08:58:54AM -0400, Fred Smith wrote: >> >> > On Mon, Jun 20, 2016 at 01:34:30PM +0300, Александр Кириллов wrote: <snip> >> >> Hooold on thar! I came into this thread really late (like, today). >> You're saying it's fine at work, but not at home? > > No. I'm saying it's only happened once since I installed C7, not long > after it was released. While I haven't kept records of dates and times, > I don't think it was at any specific time. > > I saw it 2 or 3 times previously, probably some Fedora version,... my > tired old brain won't divulge that info right now. > > It seems reasonable that it's some kind of hardware issue but I don't > see anything in the logs I've thought to check. > > I inquired, hoping some of you could suggest other places to look for > info, in retrospect. Ok, then at that point, I like Valery's suggestion. Try looking at /var/log/Xorg.0.log mark