thanks for the support. I tried to install shim unsigned but without success. if the secure boot is active, grub works correctly. if inactive grub does not launch windows. tried on my 2 acer notebooks (Aspire E 5 and the v-371)
Il giorno lun 4 nov 2019 alle ore 21:30 Steve Langasek < steve.langa...@canonical.com> ha scritto: > The standard UEFI boot path for Ubuntu is always to boot via shim and > then to grub. > > But we also know that the signed shim binary we currently have for arm64 > is broken on this architecture. > > The fixed shim is in the process of being signed and in the meantime > this is simply an unsupported configuration. > > If this is reproducible when chainloading from shim to grub, then it is > a valid bug and requires further investigation. But there are log > messages in the bug history suggesting that the lack of shim might be > the cause, so for the moment I am assuming that is the case and marking > this as invalid. > > Given that you've mentioned having secureboot turned off anyway, you > could try the unsigned shim binaries from https://launchpad.net/~ubuntu- > uefi-team/+archive/ubuntu/ppa/+packages > <https://launchpad.net/~ubuntu-uefi-team/+archive/ubuntu/ppa/+packages> > to see if you can reproduce the > problem when booting shim->grub. > > ** Changed in: grub2 (Ubuntu) > Status: Confirmed => Invalid > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1839317 > > Title: > Grub fails to chainload the Windows Boot Manager on aarch64 laptops > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1839317/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1839317 Title: Grub fails to chainload the Windows Boot Manager on aarch64 laptops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1839317/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs