Quoting Daniel Kiper (2023-09-26 17:57:05)
> On Sat, Aug 12, 2023 at 03:01:19PM +0200, Tobias Powalowski via Grub-devel
> wrote:
> > Am 12.08.23 um 14:52 schrieb Oliver Steffen:
> > > Quoting Daniel Kiper (2023-08-11 18:13:57)
> > > > Hi,
> > > >
> > > > Sorry for late reply but I was on vacation...
> > > >
> > > > On Tue, Jul 18, 2023 at 02:34:08PM +0200, Tobias Powalowski via
> > > > Grub-devel wrote:
> > > > > Hi,
> > > > >
> > > > > I tried to add the bli module to my standalone grub for my project.
> > > > > In qemu
> > > > > testing all is fine, if trying to boot it on real hardware gives me
> > > > > just a
> > > > > blank screen and game over.
> > > Sorry to hear that.
> > > I just tried it again on a Lenovo T14s (x86_64) and I can reach the menu
> > > and the grub shell without problems. What hardware are you using?
> > >
> > > > > Used grub version is 2.12rc1.
> > > > >
> > > > > Any ideas?
> > > You could apply following patch. It adds debug prints to the bli modue.
> > > Then enable debug output in your grub.cfg by setting
> > >
> > > set debug=bli
> > > set pager=1
> > >
> > > I recommend adding
> > >
> > > sleep 10 --verbose --interruptible
> > >
> > > just after the line loading the bli module. This is to keep the
> > > messages visible for a moment before the menu clears the screen (should
> > > it get to there).
> > > This might give us a hint where it goes wrong.
> > >
> > >
> > > From cda95baaf0a3c0f277a5e37aff399574627b2263 Mon Sep 17 00:00:00 2001
> > > From: Oliver Steffen <ostef...@redhat.com>
> > > Date: Sat, 12 Aug 2023 14:23:31 +0200
> > > Subject: [PATCH] bli dprint
> > >
> > > ---
> > > grub-core/commands/bli.c | 15 ++++++++++++---
> > > 1 file changed, 12 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/grub-core/commands/bli.c b/grub-core/commands/bli.c
> > > index e0d8a54f7..95caa4feb 100644
> > > --- a/grub-core/commands/bli.c
> > > +++ b/grub-core/commands/bli.c
> > > @@ -89,23 +89,30 @@ set_loader_device_part_uuid (void)
> > > grub_err_t status = GRUB_ERR_NONE;
> > > char *part_uuid = NULL;
> > >
> > > + grub_dprintf ("bli", "getting loaded image\n");
> > > image = grub_efi_get_loaded_image (grub_efi_image_handle);
> > > if (image == NULL)
> > > return grub_error (GRUB_ERR_BAD_DEVICE, N_("unable to find boot
> > > device"));
> > >
> > > + grub_dprintf ("bli", "getting boot disk\n");
> > > device_name = grub_efidisk_get_device_name (image->device_handle);
> > > if (device_name == NULL)
> > > return grub_error (GRUB_ERR_BAD_DEVICE, N_("unable to find boot
> > > device"));
> > >
> > > + grub_dprintf ("bli", "getting uuid\n");
> > > status = get_part_uuid (device_name, &part_uuid);
> > >
> > > if (status == GRUB_ERR_NONE)
> > > - status = grub_efi_set_variable_to_string ("LoaderDevicePartUUID",
> > > &bli_vendor_guid, part_uuid,
> > > -
> > > GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS |
> > > -
> > > GRUB_EFI_VARIABLE_RUNTIME_ACCESS);
> > > + {
> > > + grub_dprintf ("bli", "setting var\n");
> > > + status = grub_efi_set_variable_to_string
> > > ("LoaderDevicePartUUID", &bli_vendor_guid, part_uuid,
> > > +
> > > GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS |
> > > +
> > > GRUB_EFI_VARIABLE_RUNTIME_ACCESS);
> > > + }
> > > else
> > > grub_error (status, N_("unable to determine partition UUID of
> > > boot device"));
> > >
> > > + grub_dprintf ("bli", "cleanup\n");
> > > grub_free (part_uuid);
> > > grub_free (device_name);
> > > return status;
> > > @@ -113,8 +120,10 @@ set_loader_device_part_uuid (void)
> > >
> > > GRUB_MOD_INIT (bli)
> > > {
> > > + grub_dprintf ("bli", "init start\n");
> > > grub_efi_set_variable_to_string ("LoaderInfo", &bli_vendor_guid,
> > > PACKAGE_STRING,
> > > GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS |
> > > GRUB_EFI_VARIABLE_RUNTIME_ACCESS);
> > > set_loader_device_part_uuid ();
> > > + grub_dprintf ("bli", "init end\n");
> > > }
> >
> > Hi I'll try after my vaccation, give me 2 weeks and I report back.
>
> Are you back? Could you check the patch from Oliver?
>
> Daniel
>
I think it is worth also trying the GUID patches discussed in this thread:
https://mail.gnu.org/archive/html/grub-devel/2023-09/msg00045.html
Oliver
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