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Bug#840400: debian-installer: Installation fails at Partitioning on EFI with vfat filesystem



On Tue, 11 Oct 2016 14:24:02 +0530 Mohammed Sadiq <sadiq@sadiqpk.org> wrote:
> Package: debian-installer
> Severity: important
>
> Debian testing installation (From DVD-1) fails at Partitioning:
>
> The following error is reported:
>
> The attempt to mount a file system with type vfat in SCSI1(0, 0, 0), partition #2 (sda) at /boot/efi failed.
>
> You may resume partitioning from the partitioning menu.
> Do you want to resume partitioning?
> <Go Back>                               <Yes>  <No>
>
> (Above log may contain typos, sorry.)
>
> If I select <No> Installer yells at me saying "An installation step failed...." and Aborts.
>
>
> When I try to mount /dev/sda2 manually (mount /dev/sda2 /mnt). It says "... failed. Invalid argument".
> /dev/sda2 is shown as 'EFI System Partition' in Partition lists of the installer.
>
> So probably the vfat module for mount is missing (or not loaded by default) in installer, which should be.
>
> The system is booted with EFI mode enabled (and secure boot disabled).
>
> -- System Information:
> Debian Release: stretch/sid
>   APT prefers testing
>   APT policy: (500, 'testing')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_IN, LC_CTYPE=en_IN (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
>

Hello,

I faced the same problem yesterday. In addition to what Mohammed mentioned, I also saw messages about the installer trying to use `stat` which is not available.

Maybe this helps.

Stephan

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