On Mon, 09 Dec 2013, Raul Dias <raul@xxxxxxxxxxx> wrote: > Hello, > > I have a Dell L502x which have a optimus Graphic Pack: > > 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core > Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA > controller]) > Subsystem: Dell Device 050e > Flags: bus master, fast devsel, latency 0, IRQ 51 > Memory at f1400000 (64-bit, non-prefetchable) [size=4M] > Memory at e0000000 (64-bit, prefetchable) [size=256M] > I/O ports at 4000 [size=64] > Expansion ROM at <unassigned> [disabled] > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > Capabilities: [d0] Power Management version 2 > Capabilities: [a4] PCI Advanced Features > Kernel driver in use: i915 > > > Using driver: > 2.99.905+git20131023.b70390b4 > > When I use a DELL U2713HM Monitor on the DisplayPort, it will flash blank > for 5 seconds in a 10 minutes interval. > The monitor is at 2560x1440 (60hz). > > This is not ideal, but I can live with. > > > The big problem is when using bumblebee with intel-virtual-output -b. > > In this case the monitor will enter in energy save state instead. > > The only way back is to turn it off and on with xrandr: > > xrandr --output DP1 --off > xrandr --output DP1 --auto > > The odd thing is if I use instead a Mini DisplayPort adapter to a Dual DVI > output, this problem will not happen. > > The downside of this solution is that I will need to add a new mode at 41hz > with: > > xrandr --newmode "2560x1440_41" 162.00 2560 2608 2640 2720 1440 > 1443 1448 1468 +hsync +vsync > > > So, What I am looking at is the source of the problem: > > If the source of the problem is the driver, which debug information should > I provide? Please provide dmesg with drm.debug=0xe module parameter from early boot to the problem. If the problem takes a long time to reproduce, you can provide two dmesgs, one from early boot and another covering the problem. BR, Jani. > > Or is it a problem with the DP of the monitor? > > Or a problem with the Display Card? > > Or should I lower the frequency in the DisplayPort (as with the DVI)? > > > thanks > -rsd > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
