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List:       kde-bugs-dist
Subject:    [neon] [Bug 365678] Massive flicker and repaint problems with Neon 5.7 on remote X
From:       Jan-Marek Glogowski via KDE Bugzilla <bugzilla_noreply () kde ! org>
Date:       2016-07-20 17:10:42
Message-ID: bug-365678-17878-Iqo2ARPClN () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=365678

--- Comment #8 from Jan-Marek Glogowski <glogow@fbihome.de> ---
Sorry that I didn't reply earlier. I tried to reproduce the problem, but failed
until today (well I didn't try to actively reproduce it, but continued my
LibreOffice (LO) development with Plasma 2 WM).

The freezeing of LO seem to happen, when I use our LO extension, which is build
with Java 7, but LO uses the Java 6 VM. This is independent of the flickering.

Now today it happened again. I was able to take a screenshot and got the dmesg,
which showed a lot of errors from the radeon driver, as the Linux console
worked fine:

line 1300:
[26610.825302] radeon 0000:01:00.0: r600_check_texture_resource:1566 tex pitch
(792, 0x40, 1) invalid
[26610.825349] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
...
line 2484
[26898.242109] radeon 0000:01:00.0: r600_check_texture_resource:1566 tex pitch
(792, 0x40, 1) invalid
[26898.242152] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !

It might be a coincidence, but this probably started after I installed todays
Neon + Ubuntu updates. Don't know if this happened last time too. Lot of
packages changed from: 4:5.7.1-0neon+16.04+* => 4:5.7.2-0neon+16.04+*

Still for me the flickering never happened with Neon 5.6, which I used before.

I forgot to copy the old .xsesion-errors and Xorg.0.log, so these are gone now
:-(

This also happened because of an other problem: I often have to login twice,
otherwise primary and secondary screen are inverted. Workaround is just to
logout and then login again. It's annoying, that it also moves the desktop
icons between the screens, but I'll open a 2nd bug, as it doesn't seem related.

I'll update the bug with .xsession-errors and Xorg.0.log, if it happens again.

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