On Mon, 4 Feb 2019 at 21:07, Kammela, Gayatri <[email protected]> wrote: > > Hi Ard, > > > I have come across an issue where i could not boot kernel on x86_64 qemu > when applied this commit 4543fea0423b221d6 ("acpi: bgrt: parse BGRT to obtain > BMP address before it gets clobbered") . The issue is reproducible with > x86_64_defconfig if the configuration option "CONFIG_ACPI_BGRT" is enabled. I > am looking in to it and it may take some time for me but the issue is > triggered with the function ("efi_mem_reserve(bgrt->image_address, > bgrt_image_size);") added in the commit 7b0a911478c74ca (" efi/x86: Move the > EFI BGRT init code to early init code"). I just observed that this patch > made it to the tip tree. > >
Thanks, Gayatri, for the report. I can confirm this locally, with QEMU. Apologies for not spotting this before - my kernelci boot tests on x86 failed to trigger it. Ingo, could you please either revert this patch, or just drop it from the top of the efi/core branch? I will follow up in more detail later, but it may take me until early next week. Thanks, Ard.
