2009/1/13 sdrb <[email protected]>: > John Tapsell wrote: >> >> 2009/1/13 sdrb <[email protected]>: >>> >>> Hi, >>> >>> I have a question regarding switching from X-Window to virtual terminal. >>> Usually I use both of them and I very often switch between of them. >>> The switching process usually takes 3-8 seconds (X11 -> VT). >>> >>> I have Intel E8400 processor and GF7600GT and I wonder why does the >>> switching from X11 to VT take so much time, while switching in opposite >>> direction is done almost immediately. >>> The switching time even grows when I have firefox running with many of >>> tabs. >>> Could anyone explain what's going on? >> >> Because xorg has drivers for setting up the video card, and so does >> the kernel. So switching to a VT requires un-setting up the video card >> by Xorg, then setting up the video card by the kernel. >> >> You'll be happy to know, however, that this will hopefully soon(ish) >> be fixed. The idea is to move all of this to the kernel. >> The first steps have already been done ( 2.6.28 kernel, out on >> christmas day, came with GEM - >> >> http://kernelnewbies.org/Linux_2_6_28#head-b957b19f6139b6bbbfabaf790bf643b1746985d6 >> ) > > Yes, I heard about GEM, but I'm very interested in what cause this effect. > Is it possible to read more details (even low-level details) about this > problem? If you google for "kernel mode setting" you'll get dozens of hits. In particular it's worth checking out the kerneltrap articles (those are always good - http://kerneltrap.org/node/8242).
> > Thank you rapid answer. > > sdrb > _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
