On Tue, Aug 23, 2016 at 11:40:53AM -0400, Jim Abernathy wrote: > Not having much luck with the Distro forums on this issue so I thought > I'd ask for advice here. > > I've been running Ubuntu 14.04.4 for some time on Intel Core i5 GFX > without any issues. My display is HDMI from the PC to an Onkyo A/V > receiver then to a Sony KDL-XBR6. Core i5 is a bit vague; to know what graphics generation you run, could you provide the output of: sudo cat /sys/kernel/debug/dri/0/i915_capabilities Also, since it might be a kernel issue, the kernel version would be nice to know too (uname -a). > When I try a fresh install of 16.04.1, I get a display that blanks out > for 3-5 seconds at random times depending on what is being displayed > at the time. I also have small amouts of video noise that is random > horizontal lines about 1 pixel tall scattered through the page. > > I noticed that 14.04.05 uses X server 1.17.2 and 16.04.1 uses 1.18.3. > > When I do the command xrandr --verbose I see some small differences > between 14.04 and 16.04, but it's things like 2 digits displayed > instead of 1. i.e. 60.0 vs. 60.00. I'm only concerned with 1080P HD. > > I've tried this on different computers all with Intel GFX. same results. > > This does not occur on other monitors or TVs. > > I'd blame it on Sony and Onkyo if they didn't work so well with > Windows, all versions, and Ubuntu all versions except 16.04. > > It's almost like the auto detection software in the newest version of > X is off just enough to make my display flaky. Kind of like the old > analog CRT TVs that were sensitive to small tweaks to the horizontal > and vertical adjustments. > > Any help would be appreciated. Kind regards, David Weinehall _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
