GRUB menu loading failure via HTTP Boot on BlueField

Bug #2043085 reported by Chengen Du
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
grub2-unsigned (Ubuntu)
New
Undecided
Chengen Du

Bug Description

[Impact]
The GRUB menu fails to load via HTTP boot but functions properly with PXE boot, displaying the error message:
error: Fail to send a request! status=0x8000000000000002.

The error code 0x8000000000000002 corresponds to GRUB_EFI_INVALID_PARAMETER.
Notably, this issue is unreproducible in QEMU but surfaces on BlueField.

[Fix]
Bisecting Oracle's patches, we confirmed with the customer that the issue was resolved with the following commit:
 https://github.com/rhboot/grub2/commit/205b7b44bb2a7911f1e8c1ce22d66c111a4b429e

[Test Plan]
We've requested the customer to test the patch on BlueField.
Our test plan will focus on checking for any regressions after applying this patch.

1. Run a DHCP server on the host and configure /etc/dhcp/dhcpd.conf with the provided content.
...
host http_boot {
  option host-name "http_boot";
  hardware ethernet XX:XX:XX:XX:XX:XX;
  fixed-address 192.168.122.10;
  class "HTTPClient" {
    match if substring (option vendor-class-identifier, 0, 10) = "HTTPClient";
    option vendor-class-identifier "HTTPClient";
    filename <-efi's path->;
  }
}
...
2. Start a UEFI VM and use "virsh console" for access.
3. Execute "systemctl reboot --firmware-setup" in the console to enter the UEFI interface.
4. Test the successful loading of the GRUB menu by selecting "Boot Manager" -> "UEFI HTTPv4."

[Where problems could occur]
The patch only updates a member variable type to comply with UEFI 2.9, preserving the original behavior.
In QEMU, using EFI v2.70 from EDK II, we can still access the GRUB menu.

Chengen Du (chengendu)
Changed in grub2-unsigned (Ubuntu):
assignee: nobody → Chengen Du (chengendu)
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