On 27.05.2017 at 07:34 wrote Dave Young: >> Can you double check it works before the commit of below? linux-git-4.10rc5.r115.gc4c39c70c5fe is fine (1 commit back) linux-git-4.10rc5.r116.g7b0a911478c7 is not (early init BGRT patch) >> If machine >> boots fine then check /sys/firmware/acpi/bgrt/image see if it exists or >> not. Not sure. /sys/firmware/acpi/bgrt/ doesn't exist here but i have /sys/firmware/acpi/tables/ that contains all tables. BGRT is 60 bytes and holds the same binary content as pr_info hex_dump (in dmesg log below). >> if you can manange to save full kernel log it would be also helpful. Here is a log of linux-git-4.10rc5.r115.gc4c39c70c5fe with Sabrina Dubroca's test code applied: https://pastebin.com/ZkBNejrC This is how i applied the patch. I hope its correct: https://pastebin.com/see6V0Bk -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html