Hi Sarthak, You're not saying which kernel you are using or which filesystem... which makes it hard for people to help you. My guess is that you're trying to mount an ext3/ext4 filesystem on an older kernel that does not support its features.
Cheers Antoine On 14/02/11 05:09, sarthak dash wrote: > Hey folks, > > I just tried to install User Mode Linux in my laptop for a research > project in order to test a kernel module but couldn't succeed. The error > that I keep on getting is :- > > EXT3-fs: ubda: couldn't mount because of unsupported optional features > (240). > EXT2-fs: ubda: couldn't mount because of unsupported optional features > (240). > List of all partitions: > 6200 1048577 ubda driver: uml-blkdev > No filesystem could mount root, tried: reiserfs ext3 ext2 > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(98,0) > > This is a part of the entire log. Any help would be appreciated. > > Regards, > Sarthak Dash > -- > Research Assistant, > Insead Business School, > Fontainebleau,France-77300 > > > > ------------------------------------------------------------------------------ > The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: > Pinpoint memory and threading errors before they happen. > Find and fix more than 250 security defects in the development cycle. > Locate bottlenecks in serial and parallel code that limit performance. > http://p.sf.net/sfu/intel-dev2devfeb > > > > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user ------------------------------------------------------------------------------ The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user