On 08/23/2016 10:33 AM, Christopher Barry wrote:
On Tue, 23 Aug 2016 06:53:13 -0400
Jim Abernathy <jfaberna...@outlook.com> wrote:
On 08/19/2016 10:17 AM, 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 14.04.5 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.
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 abouts 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.
Jim A
Can someone let me know where I can ask questions regarding problems
with X?? I thought this forum would be the place?
Jim A
Jim,
From the data above, I do not think it's possible to troubleshoot very
effectively. It also seems like (to me anyway) that you have a fairly
non-standard kind of configuration going on.
If I understand it, you have a media-center type PC with an integrated
Intel graphics card on an core i5 processor. Using an HDMI cable, you're
plugging into an Onkyo A/V receiver (you do not mention the model),
which in turn connects to a Sony KDL-XBR6 LCD TV.
What happens when you connect your PC to a the Sony directly or to
a normal PC LCD monitor? Does that work?
At first I thought I found a solution when I connected directly to the
Sony, but since the occurrence is random it's hard to tell. at first it
wasn't occurring when directly on the Sony, but then it started just as
bad. I don't see this on any other monitor or TV, or O/S. On Ubuntu as
long as I stay with 14.04.4 I'm fine. If I move to 14.04.5 it changes
kernels and xorg and I see the problems start.
On 16.04.1 with a clean install, the blackouts last so long it's hard to
get work with the GUI long enough to get it installed. After I did an
update to the most current changes, the blackouts were much less
frequent, only 3-4 per minute and they only lasted 3-5 seconds.
Are you using an xorg configuration file, or are you allowing automatic
setup via kernel mode switching? If you a have config file(s), what
happens when you move them out of the way temporarily and allow
automatic config?
What's in your /var/log/Xorg.0.log?
People here help quite readily if they have data to act upon.
--
Regards,
Christopher Barry
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