On Fri, Apr 10, 2020 at 04:16:58PM +0800, Like Xu wrote: > On 2020/4/10 3:12, Mikhail Gavrilov wrote: > > Hi folks. > > I use Fedora Rawhide and today's update came with the new kernel > > 5.7.0-0.rc0.git6.1. > > As it turned out this kernel won't boot. Instead, I see the black > > screen and some times see messages: > > exit_boot() failed! > > efi_main() failed! > > > > The last working kernel is kernel-core-5.7.0-0.rc0.git2.1 > > > > I looked at the spec file and found out that the last bootable kernel > > was related to the commit cad18da0afb1 > > (https://src.fedoraproject.org/rpms/kernel/c/9949db6070c6ca501d7235760ca8aba120db7448?branch=master), > > and the first non-bootable kernel related to the commit a10c9c710f9e > > (https://src.fedoraproject.org/rpms/kernel/c/0561e0bf0e459dd4b27a77670de838128b87bd0e?branch=master) > > > > Of course, knowing these two commits, I made bisecting with the vanilla kernel: > > > > > > Can anyone here help me with this issue? > > I encountered the same issue as you: > > exit_boot() failed! > efi_main() failed! > > and the following patches are very suspicious: > > x86/boot/compressed/64: Use LEA to initialize boot stack pointer > x86/boot/compressed/64: Use 32-bit (zero-extended) MOV for z_output_len > x86/boot/compressed/64: Remove .bss/.pgtable from bzImage > x86/boot/compressed: Remove .eh_frame section from bzImage > > I am not sure if reverting these patches can help you. > > Thanks, > Like Xu > Please try with the patches at https://lore.kernel.org/linux-efi/20200409130434.6736-1-ardb@xxxxxxxxxx/ In particular, patches 3 and 4. The first one is a fix for upstream commit 3ee372ccce4d ("x86/boot/compressed/64: Remove .bss/.pgtable from bzImage")
