Public bug reported: On RISC-V hardware offering the hypervisor extension GRUB crashes in virtual machines running under KVM due to missing accessibility of the counter register.
For measuring time the RISC-V ISA provides the time register. Please, apply the following patch: [PATCH 1/1] riscv: use time register in grub_efi_get_time_ms() https://lists.gnu.org/archive/html/grub-devel/2024-08/msg00008.html ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Attachment added: "0001-riscv-use-time-register-in-grub_efi_get_time_ms.patch" https://bugs.launchpad.net/bugs/2076651/+attachment/5805231/+files/0001-riscv-use-time-register-in-grub_efi_get_time_ms.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2076651 Title: Crash on RISC-V in virtual machine using KVM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2076651/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
