Mailinglist Archive: radeonhd (312 mails)
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[radeonhd] [Bug 13853] radeonhd: occasional blackouts
- From: bugzilla-daemon@xxxxxxxxxxxxxxx
- Date: Sun, 3 Feb 2008 14:40:24 -0800 (PST)
- Message-id: <20080203224024.51AD3130053@xxxxxxxxxxxxxxxxxxxxxxxx>
http://bugs.freedesktop.org/show_bug.cgi?id=13853
Linus Walleij <triad@xxxxxxxxx> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |triad@xxxxxxxxx
--- Comment #41 from Linus Walleij <triad@xxxxxxxxx> 2008-02-03 14:40:22 PST
---
I've been having this problem since a while now, you're not alone.
However I think I'm on to it now, because now I get blackouts all the
time and I know what I changed :-) I am getting blackouts every
minute when writing this, so compare your setup to mine:
1 I only have this problem when two users run sessions on the machine.
If I run only one user, no problem at all. Each user runs his own
X server, this is under Fedora 8 (x86_64).
2 It seems only the second user gets the blackouts after logging in and
starting his/her secondary X session.
3 To replicate something really nasty here, switch to the first logged-in
users session, go into your screen save settings and set it to consider
computer inactive after 1 minute. Then go into gnome power manager (or
whatever you're using for this, perhaps only g-p-m has this problem)
and set down time before the screen sleeps to lowest possible value,
2 minutes it should be now. Switch back to secondary user. If everything
is as on my machines, you will start getting massive blackouts after
2 minutes.
So it is gnome-power-manager running as the first user logged in that is
causing this. It uses DPMS to shut down the screen through the X server.
Now, I don't know what tool is making the mistake here. I believe that
even if g-p-m tells X to blank the screen, only the X instance that is
currently holding the display/monitor should actually be allowed to turn
off the screen with DPMS.
Can the other reporters confirm this root cause?
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Linus Walleij <triad@xxxxxxxxx> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |triad@xxxxxxxxx
--- Comment #41 from Linus Walleij <triad@xxxxxxxxx> 2008-02-03 14:40:22 PST
---
I've been having this problem since a while now, you're not alone.
However I think I'm on to it now, because now I get blackouts all the
time and I know what I changed :-) I am getting blackouts every
minute when writing this, so compare your setup to mine:
1 I only have this problem when two users run sessions on the machine.
If I run only one user, no problem at all. Each user runs his own
X server, this is under Fedora 8 (x86_64).
2 It seems only the second user gets the blackouts after logging in and
starting his/her secondary X session.
3 To replicate something really nasty here, switch to the first logged-in
users session, go into your screen save settings and set it to consider
computer inactive after 1 minute. Then go into gnome power manager (or
whatever you're using for this, perhaps only g-p-m has this problem)
and set down time before the screen sleeps to lowest possible value,
2 minutes it should be now. Switch back to secondary user. If everything
is as on my machines, you will start getting massive blackouts after
2 minutes.
So it is gnome-power-manager running as the first user logged in that is
causing this. It uses DPMS to shut down the screen through the X server.
Now, I don't know what tool is making the mistake here. I believe that
even if g-p-m tells X to blank the screen, only the X instance that is
currently holding the display/monitor should actually be allowed to turn
off the screen with DPMS.
Can the other reporters confirm this root cause?
--
Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
_______________________________________________
xorg-team mailing list
xorg-team@xxxxxxxxxxx
http://lists.x.org/mailman/listinfo/xorg-team
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For additional commands, e-mail: radeonhd+help@xxxxxxxxxxxx
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