[Bug 778319] Re: Installation via USB-stick impossible

[Carla Sella]

I am testing Ubuntu Yakkety server amd64 iso: http://cdimage.ubuntu.com/ubuntu-server/daily/20160924/yakkety-server-amd64.iso. On a Virtualbox VM, you start server installation from CD ROM, after selecting keyboard layout installer starts to detect and mount CD-ROM, but fails to detect it, when asked to retry mounting the CD-ROM, if you select yes it keeps on looping asing this question, if you select no you get a "Detect and mount CD-ROM installation step failed". And cannot carry on with server installation.
I checked and the ISO image is selected as virtual optical disk file in the storage settings of the IDE controller.

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https://bugs.launchpad.net/bugs/778319

Title:
  Installation via USB-stick impossible

Status in debian-installer package in Ubuntu:
  Confirmed

Bug description:
  I'm trying to install Ubuntu 11.04 x64 Server onto a Shuttle XS35GT.
  The PC has no CD-ROM drive so I have to install via USB.

  1. Copy the files to a USB-stick via UNetbootin (WinXP, OSX) or Universal-USB-Installer.exe (WinXP)
  2. Boot to the USB-stick in order to install Ubuntu
  3. The installer halts at "[!!] Detect and mount CD-ROM" - "Your installation CD-ROM couldn't be mounted. Try again to mount the CD-ROM? (Yes/No)"
  4. Selecting either option does not help further the install

  What I tried:
  - Manually fix truncated filenames in /pool/l/linux/*.udeb (see http://ubuntuforums.org/showthread.php?t=1503083 )
  - Alt+F2, mount the .iso as a virtual CD-ROM under /media/iso (no use since the 11.04 installer does not allow manual chosing of the CD-ROM) (see http://ubuntuforums.org/showthread.php?t=1550317 )
  - Expert mode install (does not show anything special) (as suggested at http://ubuntuforums.org/showthread.php?t=1737345 )
  - Copying the "normal" desktop live CD-ROM to the USB-stick works perfectly, but I need the server install

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