In the log from 28, grub's behavior on retries looks reasonable - it does look to delay 400ms the first time, 420ms the second, etc. One thing that's strange is that looks like it still ends up retrieving the file 4 times.
In the log from 28, grub's behavior on retries looks reasonable - it does look to delay 400ms the first time, 420ms the second, etc. One thing that's strange is that looks like it still ends up retrieving the file 4 times.