On Tue, May 5, 2015 at 12:40:54 +0100, Steve McIntyre wrote: > On Wed, Apr 29, 2015 at 12:45:29PM +0100, Steve McIntyre wrote: > > > >In the morning, I turn on the screen and I don't get a display at > >all. I've wiggled the mouse, hit numlock on the keybard (the numlock > >led illuminates fine), etc., but no display. I've seen this kind of > >thing happen in the past on some machines, so I switch to VT1 and back > >to see if that helps. Still no display at all, either on console or > >under X. I log in remotely and I can see that the Xorg.0.log file has > >been updated with mode lines for the monitor, suggesting things have > >just woken up fine. But still no display. > > Similar problem this morning. I've found that using xrandr to disable > and re-enable the DisplayPort output I'm using helps - the display > comes back. Until xrandr segfaults, anyway - see separate bug. > > Something weird in the card state, I guess? > Sounds likely. If this still happens with linux 4.0, can you report this upstream at https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM%2fRadeon and let us know the bug number? Thanks, Julien
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