This bug is easily reproducible using nvidia-binary drivers (even the latest
experimental) on Saucy/Precise; however you need to set your nvidia driver into
a low performance state. You can use an xorg.conf with the following:
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "Quadro 600"
Option "RegistryDwords" "PowerMizerEnable=0x1; PowerMizerDefaultAC=0x3"
EndSection
Then I've been able to reproduce simply by opening xterm, and typing
dmesg a few times until I see missing text.
To workaround this issue I can use the following setting in CCSM:
CCSM -> Workarounds -> Force full screen redraws (buffer swap) on repaint
[force_swap_bufferss]
I've also tested the latest PPA from ppa:smspillaz/compiz-experimental
(compiz 1:0.9.10.2-1-experimental1+bzr3747-201306271732~saucy1) and
found that the following experiment still produces corruption, but
within a second or two it gets rendered properly.
--
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packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/861268
Title:
text corruption in terminals (xterm, urxvt) and emacs
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https://bugs.launchpad.net/compiz/+bug/861268/+subscriptions
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