Screen corruption.

Bug #88504 reported by Sslaxx
52
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Gnome Virtual Terminal Emulator
New
Undecided
Unassigned
gnome-terminal (Ubuntu)
Undecided
Unassigned
vte (Ubuntu)
Medium
Ubuntu Desktop Bugs

Bug Description

Binary package hint: gnome-terminal

There appears to be some random screen corruption in GNOME Terminal, as of 2.17.92 (VTE 0.15.4). The latest versions of each seem to have made little difference to the issue (missing characters, cursor block appearing over typed input). This has also been witnessed with XFCE4's terminal.

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Sslaxx (stuart-sslaxx) wrote :

Attached screenshot demonstrates corruption.

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Daniel Holbach (dholbach) wrote :

Probably not a gnome-terminal bug then.

Changed in gnome-terminal:
status: Unconfirmed → Rejected
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Daniel Holbach (dholbach) wrote :

Thanks for your bug report. Do you have a standard way of reproducing the problem. Which video driver do you use. Do you use accessibility features? Do you use compiz/beryl?

Changed in vte:
assignee: nobody → desktop-bugs
importance: Undecided → Medium
status: Unconfirmed → Needs Info
Revision history for this message
Sslaxx (stuart-sslaxx) wrote :

The problem always occurs with GNOME Terminal. Not using any accessibility features, no Compiz/Beryl/XGL/AIGLX. Opensource ATI drivers.

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Sslaxx (stuart-sslaxx) wrote :
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Jyrki Pulliainen (jyrki-pulliainen) wrote :

I can confirm somewhat similiar behaviour with my gnome terminal. It tends to corrupt when I change from another virtual desktop to another.

Changed in vte:
status: Needs Info → Confirmed
Revision history for this message
James Troup (elmo) wrote :

I'm also seeing this a lot. I use the ATI driver and run full screen gnome-terminal sessions, all running screen. I switch between virtual desktops a lot and it only happens when I switch and will go away on a redraw (i.e. pressing ctrl-l in the terminal).

I'm attaching a screenshot that shows an example of the corruption I get. The actual window is a dselect session, so it's the whole lower half of the screen which is corrupt. The toolbar appears to be from my galeon session running on desktop 4, and the parts of the email you can see are from a (remote) gnus session running on a terminal on desktop 2.

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James Troup (elmo) wrote :

Sorry, just to clarify, I mean the open source ATI driver, not fglrx.

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Sebastien Bacher (seb128) wrote :

do you still get the bug with the new vte?

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Jyrki Pulliainen (jyrki-pulliainen) wrote :

With my Nvidia card the problem seems to be gone.

Changed in vte:
status: Confirmed → Needs Info
Revision history for this message
James Troup (elmo) wrote : Re: [Bug 88504] Re: Screen corruption.

Sebastien Bacher <email address hidden> writes:

> do you still get the bug with the new vte?

Yes, with 0.16.0svn20070403-0ubuntu1 at least, I got the same kind of
bitmap corruption just yesterday.

--
James

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Sebastien Bacher (seb128) wrote :

Le jeudi 12 avril 2007 à 09:20 +0000, James Troup a écrit :

> Yes, with 0.16.0svn20070403-0ubuntu1 at least, I got the same kind of
> bitmap corruption just yesterday.

Do you have a way to trigger the corruption? That would make easier to
work on the bug. Could you also try with 0.16.1?

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Sslaxx (stuart-sslaxx) wrote :

I am also using the DRI drivers for my Radeon 9200. Is this a driver-related issue, somehow?

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James Troup (elmo) wrote :

Sebastien Bacher <email address hidden> writes:

> Le jeudi 12 avril 2007 � 09:20 +0000, James Troup a �crit :
>
>> Yes, with 0.16.0svn20070403-0ubuntu1 at least, I got the same kind of
>> bitmap corruption just yesterday.
>
> Do you have a way to trigger the corruption?

So, I'm afraid I can't reliably trigger the 'random pixmaps from other
windows being merged into the terminal', but I can reliably reproduce
corruption by running 'man ld', hitting '>' to skip to the end and
then holding down 'w' until I reach the top of the manpage. When I
hit the top, the manpage is inevitably garbled by terminal corruption.

> That would make easier to work on the bug. Could you also try with
> 0.16.1?

Still getting the corruption with 0.16.1.

--
James

Changed in vte:
status: Needs Info → Confirmed
Revision history for this message
Laurent Bigonville (bigon) wrote :

Worst than ever for me on gutsy (1:0.16.4-0ubuntu1)

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Ken Lewis (kenlewis) wrote :

Can confirm presence in Gutsy libvte9 1:0.16.4-0ubuntu1. Am using the free Radeon driver also.

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Daniel Holbach (dholbach) wrote :

What about 0ubuntu2?

Changed in vte:
status: Confirmed → Needs Info
Revision history for this message
Thomas Schwinge (tschwinge) wrote :

I just rebuilt vte 0.16.4-0ubuntu2 on Feisty and -- so far -- am happy with that version. No corruption so far and performance / resource consumption also seems to be within limits.

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Thomas Schwinge (tschwinge) wrote :

I spoke too soon. The screen corruption is still there from time to time.

Changed in vte:
status: Needs Info → Confirmed
Revision history for this message
Thomas Schwinge (tschwinge) wrote :

With gutsy that problem is finally gone, it seems.

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Greg Toombs (greg-toombs) wrote :

I have similar issues with xfce4-terminal, but disabling compositing in xorg fixes it, so it could be at least partially xorg/fglrx's fault.

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amay82 (andimayer82-deactivatedaccount) wrote :

Can confirm this for nvidia card in laptop, have this problem mostly when using SSH. Ubuntu 8.10 with default Compiz settings

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Pedro Villavicencio (pedro) wrote :

Could somebody having the issue send this upstream directly at bugzilla.gnome.org where the software authors can read about it? Thanks in advance.

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Jeff Simpson (jeffsimpson) wrote :

I am experiencing this exact problem on an nVidia Quadro 160M, latest binary nvidia driver, latest version of vte and both xfce terminal and gnome-terminal (in Gentoo).

Did this get reported to gnome.org, already, and if so, can somebody link to it? Do we know what application this should be filed under? (xorg? vte? nvidia?)

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