On Wednesday 12 December 2012 08:07:46 AM IST, James wrote: > > OK so lots of updates (mostly kde 4.9.3) > to several systems today. 2 or the 3 are fine > > One got hosed. Error message upon reboot > > config_devdmpfs=y is required in your kernel configuration > for this version of udev to run successfully > this requires immediate action > mdev: sys/class no such file mdev > Error udev-mount failed to start > > Error cannot start udev as udev-mo9unt would not start > > So I booted the system with system rescue > and got the partitions mounted > (boot and /) / contains /var and /usr > > looking into : /mnt/gentoo/new/usr/portage/sys-fs/udev > I cannot tell what version of udev (udev mount) > and others (udev-init-scipts ?) were installed > and how to roll this back. > > Any guidance on rolling back these errors is most > welcome > > James > > > >
It's not a udev problem. You need to recompile your kernel with devtmpfs support. It can be found in device-drviers -> generic driver options. -- Nilesh Govindarajan http://nileshgr.com
