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Bug#841072: installation-report: failure to mount the EFI partition: IO charset ascii not found

Package: installation-reports
Version: 2.62
Severity: important

-- Package-specific info:

Boot method: USB key
Image version: http://cdimage.debian.org/cdimage/weekly-builds/amd64/iso-cd/debian-testing-amd64-netinst.iso build of 2016-10-03
Date: 2016-10-17

Machine: Lenovo Thinkpad X260

Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it

Initial boot:           [X]
Detect network card:    [X]
Configure network:      [X]
Detect CD:              [X]
Load installer modules: [X]
Clock/timezone setup:   [X]
User/password setup:    [X]
Detect hard drives:     [X]
Partition hard drives:  [E]
Install base system:    [ ]
Install tasks:          [ ]
Install boot loader:    [ ]
Overall install:        [ ]


I have booted the installer in UEFI mode and in the partitioning step, the
installer fails to mount the EFI partition that it created:
Oct 17 19:27:31 kernel: [  325.233318] FAT-fs (sda1): IO charset ascii not found
Oct 17 19:27:46 main-menu[406]: (process:6083): mount: mounting /dev/sda1 on /target/boot/efi failed: Invalid argument
Oct 17 19:27:46 main-menu[406]: WARNING **: Configuring 'partman-base' failed with error code 2
Oct 17 19:27:46 main-menu[406]: WARNING **: Menu item 'partman-base' failed.

In fact, I'm not even sure that it did format the partition that it created.
I don't see anything like this in the syslog file. And looking in the partman
log file it rather seems like that the EFI partition is created as ext2!

I'm attaching the full log files of the installation attempt.


Raphaël Hertzog ◈ Debian Developer

Support Debian LTS: http://www.freexian.com/services/debian-lts.html
Learn to master Debian: http://debian-handbook.info/get/

Attachment: install-x260.tar.gz
Description: application/gzip

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