On Fri, 2016-09-16 at 15:30 +0100, Matt Fleming wrote: > On Fri, 16 Sep, at 12:00:59PM, Mike Galbraith wrote: > > > > Ok, here's the whole thing just in case. Hope it's not too big. > > [...] > > > [ 0.000000] esrt: Reserving ESRT space from 0x00000000def87998 to 0x00000000def879d0. > > OK, that's 56 bytes and yet I realise that at no point in the > efi_mem_reserve() call path do we round up to the nearest page size > even though the EFI memory map only deals with EFI_PAGE_SIZE regions. > > Could you try this patch? No dice. The numbers changed, but box still goes *poof*. --- arch/x86/platform/efi/quirks.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -227,7 +227,11 @@ void __init efi_arch_mem_reserve(phys_ad efi_memmap_insert(&efi.memmap, new, &mr); early_memunmap(new, new_size); +#if 0 efi_memmap_install(new_phys, num_entries); +#else + printk(KERN_DEBUG "MIKE efi_memmap_install(0x%Lx, %d);\n", new_phys, num_entries); +#endif } /* homer:..debug/tracing # journalctl|grep MIKE virgin+above Sep 16 15:51:15 homer kernel: MIKE efi_memmap_install(0x9d640, 51); Sep 16 15:55:07 homer kernel: MIKE efi_memmap_install(0x9d640, 51); +patch+above Sep 16 18:13:46 homer kernel: MIKE efi_memmap_install(0x9d600, 53); -- 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
