On Tue, Apr 02, 2019 at 05:41:49PM +0800, Chao Fan wrote: > [ 77.989030] kexec_core: Starting new kernel > early console in extract_kernel > input_data: 0x000000017f6033b1 > input_len: 0x00000000008412d4 > output: 0x000000017e000000 > output_len: 0x0000000001e15844 > kernel_total_size: 0x0000000001e2c000 > trampoline_32bit: 0x000000000009d000 > booted via startup_64() > > > Physical KASLR disabled: no suitable memory region! > ------ > > I am not sure whether I have done the right test. > This guest is booted from EFI. Here we can see the kexeced kernel > has completed the compressed boot stage. So I think your PATCH works. Thanks for testing. If your test bed doesn't boot even with the patch, you could check what was found as RSDP with a debug patch like below. diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -379,6 +379,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, debug_putaddr(output); debug_putaddr(output_len); debug_putaddr(kernel_total_size); + debug_putaddr(boot_params->acpi_rsdp_addr); #ifdef CONFIG_X86_64 /* Report address of 32-bit trampoline */ _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
