On Fri, 16 Sep, at 08:05:12AM, Mike Galbraith wrote:
> Hi Matt,
> My workstation started instant rebooting with tip. I bisected it to..
> efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()
> ..but seems it's really $subject, as box works fine with the below.
> drivers/firmware/efi/efi.c | 1 +
> 1 file changed, 1 insertion(+)
> --- a/drivers/firmware/efi/efi.c
> +++ b/drivers/firmware/efi/efi.c
> @@ -415,6 +415,7 @@ void __init efi_mem_reserve(phys_addr_t
> if (!memblock_is_region_reserved(addr, size))
> memblock_reserve(addr, size);
> + else
> * Some architectures (x86) reserve all boot services ranges
> No idea what's going boom down in efi_arch_mem_reserve().
Urgh, that's bad. Which machine is this? Can you paste the dmesg after
booting with the efi=debug kernel parameter, either with your above
patch or with the commit reverted?