David Syk <fenrus@gmail.com> (09/09/2011): > When running squeeze on HP EliteBook 2540p the built in display flickers bad. > > It seems that the backlit is turning off once or twice short (less then a > second) every 3-10 seconds. > The display does not present any other problems. (I guess it's not the usual upower bug, with flickering happening every 30 seconds or so. I think it only appeared with wheezy/sid and got fixed since then.) > There is alot of drm and intel -related errors in the kernel log. > > When running a vanilla kernel (for example version 2.6.39-rc7) it seems to be > workig correct. > Problem appears on the integrated display both in the dock, and when the > machine is undocked. > > The problem does not occur on displays attatched to external devices attatched > to Display Port. For “recent” hardware, I'd suggest trying Xorg squeeze-backports[1], along with a Linux kernel coming from the same repository. I guess it's a better mid-term solution than dealing with your vanilla kernel on your own. 1. http://x.debian.net/reference/squeeze-backports.html Mraw, KiBi.
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