Ubuntu
grub2 package

  1. Bug #1889509
  2. Comment #0

Comment 0 for bug 1889509

Revision history for this message
Jeff Turner (jefft7610) wrote :

After updating grub2 (to 2.02~beta2-36ubuntu3.26) and rebooting, my server does not boot:

Booting from Hard Disk 0...
error: symbol `grub_callow' not found.
Entering rescue mode...
grub rescue> _

I rebooted 3 servers in this way (all running Ubuntu 16.04.6 LTS) and all hung.

A lot of other people are reporting the same problem at:

https://askubuntu.com/questions/1263125/how-to-fix-a-grub-boot-error-symbol-grub-calloc-not-
found.