I can confirm this bug. I happens exactly as described above. When, during the installation process, I come to the point where I am supposed to appoint partitions to the different mount points, then if I choose a reiserFS partition as / then it simply tells me "No root file system".
Initially I thought that it might be a problem with the formatting as it is a "old" partition which I just reformatted before the install. So I tried to delete the partition entirely and create a new one but the result was the same. Eventually I gave up and just installed it on a ext3 partition instead. I'm affected by another quite serious bug which made my installation very difficult, so I wasn't quite in the mood to do a lot of bug searching and experimenting. I think maybe this sounds most like a software bug (though I am by no means an expert) but just for the sake of comparison I'll list all the hardware and hardware related facts that might be of importance. Maybe you Witold could do the same so we can see if there any common points. I was using the 32 bit desktop-cd (Edgy) but with a 64 bit AMD processor. The reiserFS partition was one of quite a lot (I think 10 or 11) partitions on an extended partition. I use SATA disks The disks are on a RAID controller but I don't run them as RAID. Anything else ? -- installation on reiserfs fails https://launchpad.net/bugs/70496 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs