On Tue, Oct 19, 2021 at 11:06:11AM -0400, Qian Cai wrote: > On 10/19/2021 7:37 AM, Catalin Marinas wrote: > >>> I could help to confirm if it hangs right in the early boot somewhere if needed. > >> > >> The kernel config and a log of working kernel would help to start with. > > http://lsbug.org/tmp/ Thanks. I guess the log here is with the Mike's patch reverted. > > I don't think there's much in the log other than the EFI stub above. > > > >>> start_kernel() > >>> setup_arch() > >>> paging_init() > >>> map_mem() > >>> memblock_mark_nomap( > > > > Is this actual trace? It would be good to know where exactly it got > > stuck. > > No, I did not confirm anything yet. There is going to take a while to > figure out the exactly location that hang since even the early console > was not initialized yet. Any suggestion on how to debug in this case? Try "earlycon=pl011,mmio32,0x12600000" on the kernel command line and hopefully we get some early log. -- Catalin
