On Sat, Feb 27, 2010 at 2:15 PM, Pekka Enberg <penberg@xxxxxxxxxxxxxx> wrote: > On Sat, Feb 27, 2010 at 1:00 PM, Markus Rechberger > <mrechberger@xxxxxxxxx> wrote: >>> Linus, I know you didn't want to do a kzalloc, but it looks like this is >>> the easiest/simplest thing to do, unless you can think of something >>> else? >> >> do you have any idea what to cherrypick in order to get rid of that >> flickering with the intel GM45? >> The flickering itself occures randomly, it was not there with the >> original Ubuntu kernel (2.6.31 with alot patches) >> This is pretty much a standard graphicchip nowadays.... > > Yeah, same here. I tried to bisect the damn thing but didn't find any > single commit. I think the problem was introduced in in the DRM merge > between 2.6.31 and 2.6.32-rc1. Some people suggested privately that it > might be related to frame buffer compression. Unfortunately I wasn't > able to revert that particular patch. Btw, after I reinstalled Ubuntu 9.10 from scratch for unrelated reasons, I haven't seen the flicker effect. Dunno if that's just a coincidence or if userspace has something to do with the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html