John Tapsell wrote: > 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).
Ok, thank you. sdrb _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
