On Fri, Sep 7, 2012 at 3:45 PM, Yann Dirson <ydir...@free.fr> wrote: > Package: xserver-xorg-video-radeon > Version: 1:6.14.4-5 > Severity: normal > > What I can easily reproduce: > > Running "xscreensaver-command -activate", and hitting Ctrl-Alt-F1 > while it is fading away leaves me on a dimmed tty1. Switching to > other text consoles does not change the dimming. Switching back to my > X session shows correct luminosity, and it I then go back to text > consoles they are OK as well. Not so important if it were not for the > original problem, which is not so easy to reproduce: > > (I was told) there was a Ctrl-alt-Fn console switch while xscreensaver > was fading out my X display. When I went back and switched back to my > own session, my display was dimmed, while other X displays were not > when I switched to them. When I switched to a text console, it was > dimmed when I switched from my dimmed X, and was not dimmed when I > switched from the other, non-dimmed, ones. > > A quick look at utils/fade.c in the xscrensaver source shows it is > possibly using xf86vidmode for the fading operation, so I went looking > for a tool to query the xf86vm settings, but found none. The closest > I found was xcalib, but I could not have anything queried with it > either. Eventually I guessed right with "xcalib -a -c" and everything > was back in good shape, but less stubborn ones would have rebooted > their machines like a windows box long before... > > The "leaking dim state" makes me guess the problem would be more in > the radeon side of things, rather than at the xf86vm level, but that's > a wild guess only... >
The fade effect is done by adjusting the gamma. When you switch VTs, just the display base address is changed. The gamma is not changed. I suspect this may affect other drivers as well so probably needs to be fixed in common code. Alex -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/CADnq5_ONiHfTh=uHmL9Rn=8kdk1p3pjsykv+5-2mmxqqn2g...@mail.gmail.com
