For whatever it's worth - I yum update'd two VMs without any trouble whatsoever (from 6.3 to 6.4) and am in the process of updating a laptop... Not that it should matter but they are both guests running on a CentOS 5.9 Xen host. I'm in the process of updating a laptop - I'm hoping it works too... On Sun, 10 Mar 2013, Frank Cox wrote: > Well, this is interesting. I have three systems, all of which now have the > same problem. > > I was running "yum update" on these machines via a vnc connection (running a > vnc desktop on one of them, and logging into the others with a a > gnome-terminal on my vnc desktop), when my vnc desktop suddenly "went away" for > some reason. And that killed the "yum update" jobs on the computers. > > Subsequent to that, I logged back into the machines and ran yum update again. It > told me to run yum-complete-transaction. When I ran yum-complete-transaction I > got screen after screen of "x is a duplicate with x" where x consists of a huge > list of packages. > > I then ran "package-cleanup --cleandupes" and then ran "yum update" again and > all appeared to be well. "yum update" completed without error and I thought I > was home free. > > I then rebooted the machines and found out that I'm still out of luck. After > the initial grub screen I get this: > > Kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(0,0) > PID: 1,comm: swapper not tainted 2.6.32-358.0.1.el6.i686 #1 > Call trace > > Followed by a series of numbers that I can post if they're needed. > > I booted one of these machines off of a Centos 6.4 "minimal" CD and ran the > rescue mode. It mounted the drive under /mnt/sysimage with no problem. I > can see everything on it that I expect to see. > > I then booted the CD again and tried running the "upgrade an existing system" > option, and told it to reinstall the bootloader. That's about all that it > appeared to do: "Installing bootloader", then it told me to reboot. Which I did. > > And I got the same kernel panic again that I just posted above. > > What has gone wrong here and how can I fix it? All of the data seems to be on > the drive just like it should be, but it won't boot up. > > Again, I have three systems that appear to have exactly the same problem. > > > -- > MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com > www.creekfm.com - FIFTY THOUSAND WATTS of POW WOW POWER! > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > Scot P. Floess RHCT (Certificate Number 605010084735240) Chief Architect FlossWare http://sourceforge.net/projects/flossware http://flossware.sourceforge.net https://github.com/organizations/FlossWare