The error before this is:
Could not prepare Boot variable: No space left on device
This is the same error message as in LP: #1776271, so marking this as a duplicate. Unfortunately, at this time we have no specific insight into the cause of these failures.
The error before this is:
Could not prepare Boot variable: No space left on device
This is the same error message as in LP: #1776271, so marking this as a duplicate. Unfortunately, at this time we have no specific insight into the cause of these failures.