On Wed, Dec 19, 2018 at 12:15:02AM +0100, Heinrich Schuchardt wrote: > I have reinstalled grub-efi-arm 2.02+dfsg1-9. > > With my current U-Boot and a custom built the 4.18.20 kernel I am able > to boot. > > The stock Debian kernel does not boot. > > What it takes is a U-Boot v2018.11 with these additional patches: > > * Revert "efi_loader: remove efi_exit_caches()" > * efi_loader: Ensure memory allocations are page aligned > * lib: crc32: mark static variable as __efi_runtime_data > (not relevant for Tinker Board) > > and a kernel with Ard's patch > > 43b2ceb0d4e0147b114cb1d0112a988cbb81ecbc > efi/arm: Revert deferred unmap of early memmap mapping
Upstream commit 33412b8673135b18ea42beb7f5117ed0091798b6. > This patch is available since Linux v4.19.6. 4.19.9-1 is now in Sid, and I'm told that should make it across soon-ish. Ultimately, As part of this investigation, Heinrich did encounter (and address) another issue introduced by the same changeset (which would at least theoretically also affect arm64 since the first grub port): https://lists.gnu.org/archive/html/grub-devel/2018-12/msg00042.html I'll request that that patch gets pushed, but it does already have maintainer Reviewed-by: (as well as mine). Many thanks to Heinrich for excellent debugging. / Leif
