Forwarding from a Ubuntu bug report by Martin-Éric Racine and confirmed by several others: https://bugs.launchpad.net/ubuntu/+bug/136853 "After a few minutes of idle operation, the screen goes blank and cannot be returned to normal. The only way to get screen content again is to reboot, which is possible either by pressing the ACPI-enabled power button or a remote SSH connection. Broken DPMS is suspected, although I have no way of confirming this. Purposely downgrading xserver-xorg-core and anything that depend on it, then pining it to that version, while keeping all the rest of the packages to Gutsy versions solves it, which suggests something related to X.org upgrade from 1.2 to 1.3 might be at play." http://launchpadlibrarian.net/9095014/Xorg.0.log http://launchpadlibrarian.net/9095015/xorg.conf The same issue is seen in Ubuntu Hardy.
Is this still a problem with the last driver version?
Yes, reported to still be an issue with version 1.7.0 on xserver 1.6.
A patch has been prepared downstream: http://launchpadlibrarian.net/24327386/fix_sm712_clock_limit_and_monitor_detection.patch
(In reply to comment #3) > A patch has been prepared downstream: >http://launchpadlibrarian.net/24327386/fix_sm712_clock_limit_and_monitor_detection.patch I pushed that patch more than a year ago. It didn't address the problem this bug is about though, it just fixes a couple of related issues.
Mass closure: This bug has been untouched for more than six years, and is not obviously still valid. Please reopen this bug or file a new report if you continue to experience issues with current releases.
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