> [..] > > I tested on a prototype system with 231 entries in the map with good results. > Everything succeeds when using kexec to initiate a fast reboot. For crash, it > works with and without --pass-memmap-cmdline when using noefi. I hit the > following panic when initiating a crash leaving EFI enabled in the crash kernel: > > ? __unmap_pmd_range+0x77/0x190 > unmap_pmd_range+0xcf/0x1c0 > populate_pgd+0x16d/0x250 > __cpa_process_fault+0x15/0xb0 > __change_page_attr+0x15e/0x2a0 > __change_page_attr_set_clr+0x59/0xc0 > kernel_map_pages_in_pgd+0x7a/0xb0 > __map_region+0x46/0x64 > ? early_idt_handlers+0x117/0x120 > efi_map_region_fixed+0xd/0xf > efi_enter_virtual_mode+0x4c/0x476 > ? early_idt_handlers+0x117/0x120 > ? early_idt_handlers+0x117/0x120 > start_kernel+0x2e5/0x376 > ? repair_env_string+0x5b/0x5b > ? memblock_reserve+0x49/0x4e > x86_64_start_reservations+0x2a/0x2c > x86_64_start_kernel+0x19f/0x1ae > > However, I was able to reproduce this panic using an earlier version of > kexec-tools, so I believe it is unrelated to this patch. Can you test with matt's tree to see if it works? If it still happens please post the full log. Thanks Dave
