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Message #41833
[Bug 136853] Re: Screen blanks and freezes after a few minutes of idling, possibly due to broken DPMS
Martin-Éric Racine, thank you for reporting this bug to Ubuntu. Gutsy reached EOL on April 18th, 2009.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases
Is this an issue on a supported release? If so, could you please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 136853
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** Package changed: xserver-xorg-video-siliconmotion (Ubuntu) => xorg
(Ubuntu)
** Changed in: xorg (Ubuntu)
Importance: High => Low
** Changed in: xorg (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/136853
Title:
Screen blanks and freezes after a few minutes of idling, possibly due
to broken DPMS
Status in xf86-video-siliconmotion:
Confirmed
Status in xorg package in Ubuntu:
Incomplete
Bug description:
Since switching to Gutsy to verify whether the packages I maintain
still operate as expected, I have noticed that 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.
Note: someone on #ltsp mentions a similar situation using xserver-
xorg-video-amd, yet the exact same AMD driver doesn't exhibit this
behavior when compiled and used with earlier X releases.
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