Not clear if it's the same issue, but on a Thinkpad T14s, new shim fails
to boot anything except the Canonical-signed grub. Both hash and key
MOKs seem to be ignored (blue screeen with Security Violation 0x1A for
signed executables). Downgrading to the version of shim-signed specified
in the initia
Same issue on a Lenovo X130e laptop after Ubuntu updates on 08/08/21.
Early EFI system that doesn't support secure boot. Downgrading shim-
signed to 1.40.3+15+1533136590.3beb971-0ubuntu1 and shim to
15+1533136590.3beb971-0ubuntu1 allows the laptop to boot. Cmon guys,
making a system unbootable is c
Experienced the same issue on a Thinkpad X1 Gen7, it stops at a blank
screen. While experimenting even disabling SecureBoot was not a reliable
workaround. With "mokutil --set-verbosity true", the stack ends at the
same line as demonstrated by the OP in
https://bugs.launchpad.net/ubuntu/+source/shim
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: shim-signed (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1939306
Title:
