fully transparent windows problem

Peter Teuben teuben at astro.umd.edu
Wed Nov 11 15:50:15 UTC 2015

On 11/08/2015 09:06 PM, Colin Law wrote:
> On 8 November 2015 at 15:17, Colin Law <clanlaw at gmail.com> wrote:
>> On 8 November 2015 at 15:04, Peter Teuben <teuben at astro.umd.edu> wrote:
>>> This is a serious problem that has plagued me for a few years, through a
>>> number
>>> of ubuntu versions. The past year the problem was limited to a program
>>> called tkdiff , but now I'm confronted with gimp as well doing this.
>>> The problem is that a new window comes up completely transparent. I have
>>> to kill it and try again. Sometimes several times. Very frustrating.
>>> Embarassing
>>> in demos.
>>> The problem goes away if I reboot, suggesting it's a memory leak of sorts.
>>> Wondering if anybody has seen this before.   This is on a Thinkpad T530
>>> laptop,
>>> and with U15.04. I have a desktop with "similar" setup, and it doesn't
>>> exhibit
>>> this (in all fairness, I don't use the crap out of that one compared to
>>> the laptop)
>> That sounds like
>> https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1371928
> If you are using nvidia graphics then possibly also
> https://bugs.launchpad.net/compiz/0.9.11/+bug/1072206
> Colin

thanks Colin for the followup,

this is a 3 year old reported problem (but I've had
this for the longest time, so that's consistent).

I find lspci's output confusing.  I guess I am running NVIDIA after all.....

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core
processor Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [NVS 5400M]
(rev a1)

from lsmod, i see i'm running the nouveau driver. And I even see I had
posted  a message in that
bug report as well <grin> a little over a year ago :-(

reading more more in this bug report, it's now been reported as fixed in
       compiz - 1:
but I'm running
i.e. a later "fixed" version,   and like a few others on that bug
report, I'm not the only one
who are still reporting problems.

Maybe this is not exactly the same problem, they are talking about black
windows, which
I never have. Mine are exclusively transparent.


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