Your EFI system partition is corrupt; you will need to repair it using
either dosfsck or Windows' chkdsk/scandisk.
** Changed in: grub-installer (Ubuntu)
Status: New => Invalid
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Here is the mentioned syslog
** Attachment added: "Ubuntu 18.04 ubiquity crash retry ubi-partman failed
syslog.txt"
https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1782029/+attachment/5164664/+files/Ubuntu%2018.04%20ubiquity%20crash%20retry%20ubi-partman%20failed%20syslog.txt
The crash report suggests I have to upgrade my packages, so I did, but I
can't try another install just after the failed attempt because I get:
ubi-partman crashed: ubi-partman failed with exit code 10. Further
information may be found in /var/log/syslog. Do you want to try running
this step
*sdb is the Live USB and *sdc the external disk (sorry for triple-
posting, can't edit comments in launchpad)
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https://bugs.launchpad.net/bugs/1782029
Title:
Fatal error: Unable to
No, actually there seem to be 2 EFI partitions (sda2 and sda3).
sdb is just an external disk and sdc the Live USB itself.
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https://bugs.launchpad.net/bugs/1782029
Title:
Fatal error:
I tried a boot-repair to no avail. It even failed, suggesting me to add
an EFI partition in /boot/ first. So I guess grub is not yet installed
at all. Boot Info attached.
** Attachment added: "Boot-Info_20180716_2327.txt"
