If you are seeing the same message as me, can you try using the rootdelay boot option?
>From the GRUB prompt select e. Once there you can add the line "rootdelay=90" to the end of the line. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1212977 Title: saucy/trusty CD images are unbootable, stuck in BusyBox shell Status in “linux” package in Ubuntu: Confirmed Status in “udev” package in Ubuntu: Confirmed Status in “casper” source package in Saucy: Invalid Status in “linux” source package in Saucy: Confirmed Status in “udev” source package in Saucy: Confirmed Status in “linux” source package in Trusty: Confirmed Status in “udev” source package in Trusty: Confirmed Bug description: saucy daily-live images are unbootable on Dell Optiplex 990 and other hardware combinations. I just get a BusyBox shell. All images up to and including raring however work fine. --- ApportVersion: 2.9.2-0ubuntu8.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dan 2083 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 13.04 HibernationDevice: RESUME=UUID=9e3dac8a-8fa4-4da5-b4d2-52b2ee5fd022 InstallationDate: Installed on 2013-06-03 (76 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: Dell Inc. OptiPlex 990 MarkForUpload: True Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-25-generic root=UUID=416f5f80-6d98-4208-a3f5-ef272b12e5c6 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13 RelatedPackageVersions: linux-restricted-modules-3.8.0-25-generic N/A linux-backports-modules-3.8.0-25-generic N/A linux-firmware 1.106 RfKill: Tags: raring Uname: Linux 3.8.0-25-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 09/10/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0D6H9T dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 15 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA07:bd09/10/2011:svnDellInc.:pnOptiPlex990:pvr01:rvnDellInc.:rn0D6H9T:rvrA00:cvnDellInc.:ct15:cvr: dmi.product.name: OptiPlex 990 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1212977/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp