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? Thank you rapid answer. sdrb _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
