On Tue, Apr 02, 2019 at 09:53:51AM +0000, Junichi Nomura wrote: >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.
Oh no, it booted. I just put the compressed stag log. Thanks, Chao Fan > >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 */ > >
