AlainKnaff, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/959775/comments/6 regarding you no longer have the hardware.
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** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/959775
Title:
radeon driver "randomly" blanks screen on DVI
Status in “xserver-xorg-video-ati” package in Ubuntu:
Invalid
Bug description:
The radeon driver randomly blanks the screen (connected via DVI),
especially while working with Thunderbird. If it happens, it usually
happens several times in a row, and then it is good again for a day or
so.
I do have Option "DisplayPriority" "HIGH" in my xorg.conf, and
radeon.modeset=0 in my boot params.
These settings seems to have helped somewhat (before I had them, the
incident occured much more frequently), but didn't fix it completely.
My card is a Radeon RS690 (X1200 Series):
> lspci | fgrep VGA
01:05.0 VGA compatible controller: ATI Technologies Inc RS690 [Radeon X1200
Series]
3. What I expect to happen:
The screen should not blank while I'm actively working with the
computer
4. What does happen:
The screen blanks, even while I am active
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