We can forget all that about kernel upgrades... Now I realized (after some tesing), that problem is not in kernel upgrades, but in rebooting and halt... When computer is powered off (like shutdown -h) and I boot it again, GDM fails to start, but when I reboot it (after this problem), everything is OK...
Jakub 2009/8/18 Lennart Sorensen <[email protected]> > On Tue, Aug 18, 2009 at 01:59:11PM +0200, Jakub Lucký wrote: > > Well, this seems to be interesting stuff... I recently met this problem > few > > times, always it was problem of kernel, or at least seemed to me because > it > > happened this way: > > > > * upgrade of kernel (only minor Debian version, always 2.6.30-1-686) -> > GDM > > fails to start, X starts by user with "startx" command > > * new minor version of kernel -> GDM starts normally > > * another minor version of kernel -> GDM fails to start, startx not > tested > > * current Debian version of 2.6.30-1-686 (Version: 2.6.30-6) -> GDM > > starts... > > > > No module building made during this situation > > Whenever a new nvidia driver version is released, you have to rebuild the > modules. > > Whenever a new major kernel is released, you have to rebuild the modules. > > Whenver a new ABI change happens to the kernel, you have to rebuild. > > If there is no new version of anything and no ABI change, then you are OK. > > An ABI change is then the -#- in the kernel changes. So 2.6.30-1-686 is > ABI 1, 2.6.30-2-686 is ABI version 2 and would require a module rebuild. > As long as the -1- doesn't change there should not be a need for a rebuild > (unless a new nvidia driver version comes out of course). > > Now mistakes could happen and perhaps an ABI change could be missed in > the kernel release, but that is very very rare. > > -- > Len Sorensen >

