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Hi folks
I have been using Arch for > 3 yrs now and it has been a work horse. I installed it on kids computer over a year ago and has been trouble free. Recently I did a sync and since then the xorg started giving problems.
I have a Ati Radeon 7000 PCI video card on it. It worked with out any trouble till recently. Now it starts ok but every few seconds or so screen goes completely blank and then reappears. Nothing in the logs and no complaints even when I start xinit/startx from command line.
It appears as if monitor connection was loose if I did not know that was not a problem. It is most pronounced when ever there is a lot of screen refresh to do, such as a menu item sprang open a lot of submenus, a new window opened or closed and so on. However this is pretty much disabling because you can;t see anything on the screen for long enough to use it.
I tried changing the driver, installed Catalyst - eventhough catalyst works ok, it's resolution is lower and looks poor ? I tried removing all the usb peripherals and tried one by one with the same problem persisting. Installed a clean Arch on another partition and as soon as radeon driver was installed it started giving same problems. I tried latest puppy and despite installing radeon driver it still worked fine and did not flicker like Arch. However I don't like puppy for this purpose and hope to maintain Arch.
Is there a way of figuring out what causes these flickers and rectify it. I put PCI=nomsi on kernel command line to turn off kernel mode setting. Tried /etc/modprobe.d/radeon.conf with modesetting=off, tried removing stuff off from /usr/lib/xorg/modules/dri/*. None of these made much difference.
Any help greatly appreciated.
sk
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any takers
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I kind of solved it for now.
Try " X -configure" to create a new xorg.conf.new file and move it to /etc/X11/xorg.conf.
Edit the /etc/X11/xorg.conf and under the video card section put a
Option "NoAccel" "On"
At the least it is not driving me crazy with blinking and flickering.
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your card is pretty old and I think it should work out of the box using the opensource drivers and without an xorg.conf. are there any errors in xorg log or system log ?
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