Many thanks. This has been a real pain for ages. Fawn
On Tue, 04 May 2010 12:25 +0000, "Peter" <peri...@gmail.com> wrote: > I have resolved the problem after comparing the 8.04 LTS and 10.04 LTS > Xorg.0.log files. Under 8.04 LTS the MGA driver was defaulting to > > (**) MGA(0): Depth 16, (--) framebuffer bpp 16 > > Under 10.04 LTS it is defaulting to > > (**) MGA(0): Depth 24, (--) framebuffer bpp 32 > > which is the cause of the bandwidth problem. Setting "DefaultFbBpp 24" > in the "Screen" section of xorg.conf enables the 1280x1024 mode, but all > screen operations are very slow. The combination of "DefaultDepth 16" > and "DefaultFbBpp 16" provides completely acceptable performance which > is, in fact, a bit faster than under 8.04 LTS. > > -- > Missing display resolutions (too much memory bandwidth) > https://bugs.launchpad.net/bugs/469640 > You received this bug notification because you are a direct subscriber > of the bug. > -- Missing display resolutions (too much memory bandwidth) https://bugs.launchpad.net/bugs/469640 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-mga in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
