Bug#970664: libvte-2.91-0: Terminal not displaying correctly

[Fabián Inostroza]

Hi,

The issue happens with some themes, normally I use Numix from the
repositories, when using HighContrast or HighContrastInverse the issue
also happens. With adwaita it works fine.

Regards.

El lun., 21 sept. 2020 a las 11:51, Fabián Inostroza
(<soulsonceonfire at gmail.com>) escribió:
>
> Hi,
>
> When I take a screenshot of the whole screen the background of the
> terminal is transparent, that is, if there is another window behind
> then the content of that window is captured, the text of the terminal
> is kept.
> If I take a screenshot of the terminal window then the background is
> transparent, nothing is shown, except text, the alpha channel is zero.
> In both cases I see some other corrupt content on the screen.
>
> The only warning I get when launching gnome-terminal from xterm is
> $ gnome-terminal -v
> # Warning: DESKTOP_STARTUP_ID not set and no fallback available.
>
> then the program detaches from the console.
>
> No related warnings shown on journal or dmesg.
>
> I'm using GNOME with X11 and intel modesetting driver. I've tried all
> combinations of X11, wayland, intel and modesetting driver with the
> same results. My hardware is a thinkpad x230.
>
> Until now I'm not seeing corruption in other applications, just
> gnome-terminal and the gedit terminal plugin. Other terminal
> applications work fine (I've tried xterm and terminator).
>
> Regards.
>
>
>
> El lun., 21 sept. 2020 a las 5:53, Simon McVittie (<smcv at debian.org>) escribió:
> >
> > Control: tags -1 + moreinfo
> >
> > On Sun, 20 Sep 2020 at 19:29:19 -0300, Fabian Inostroza wrote:
> > > After an upgrade of libvte gnome-terminal and other software using
> > > the library (gedit terminal plugin) doesn't work.
> > > Where the console should be there is some transparency and a effect
> > > similar to when you record a screen that shows what
> > > the camera sees (feedback).
> >
> > If you take a screenshot (please try both a screenshot of the window and
> > a full-screen screenshot), does the display corruption appear in the
> > screenshot, or does the screenshot show what it *should* have looked
> > like?
> >
> > If you run gnome-terminal or another program using vte from a different
> > terminal such as xterm, are warnings shown?
> >
> > Are any warnings logged in the systemd journal when you run a program
> > that uses vte for the first time in a session?
> >
> > What desktop environment are you using? If it's GNOME, are you in Wayland
> > or Xorg mode?
> >
> > What graphics hardware are you using? If both open-source and proprietary
> > drivers are available, which one are you using? (Some common graphics
> > hardware on PC: Intel integrated graphics with DRI/Mesa open-source
> > drivers, AMD Radeon series with DRI/Mesa open-source drivers, NVIDIA
> > with DRI/Mesa "nouveau" open-source drivers, or NVIDIA with proprietary
> > "nvidia-driver".)
> >
> > Do you see similar graphical corruption anywhere else?
> >
> > gnome-terminal is working fine for me in GNOME 3.36 in a qemu virtual
> > machine with QXL graphics, and in GNOME 3.38 from experimental on real
> > hardware (a Lenovo Thinkpad) with Intel graphics, so I'm not going to
> > be able to debug this unless we can isolate what is happening differently
> > on your system.
> >
> >     smcv