Messages in this thread | | | Subject | Re: [PATCH 0/9] x86 EFI boot stub | From | Matt Fleming <> | Date | Fri, 26 Aug 2011 13:29:52 +0100 |
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On Thu, 2011-08-11 at 19:55 +0200, Maarten Lankhorst wrote: > > Hmm.. do you have early printk enabled? Can you hook up a serial console > > to this machine? > > > I get no output on serial console with vmlinuz.efi so it crashes > before 'early console in decompress_kernel' is printed.
Hey Maarten, sorry I took so long to respond to this.
OK, so you don't get any output on the serial console. Were you passing "console=" on the kernel cmdline? If so, the best way to debug this hang is to add,
efi_call_phys4(sys_table->runtime->reset_system, EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);
just after we setup 'sys_table' in efi_main(). If your machine resets, then we at least know that the firmware loaded the bzImage correctly.
P.S which machine is this and what is the output of the 'ver' command?
-- Matt Fleming, Intel Open Source Technology Center
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