Re: [x86] 811565123a: BUG: kernel hang in early-boot stage, last printk: Probing EDD (edd=off to disable)... ok

From: Andi Kleen
Date: Thu Oct 13 2016 - 16:38:16 EST

Andi Kleen <andi@xxxxxxxxxxxxxx> writes:

Any comments on this?

I still cannot reproduce the failure unfortunately.

> Could you do two tests for me:
> - Enable CONFIG_MICROCODE_INTEL and see if it boots then
> - Add CONFIG_DEBUG_INFO to the config.
> Add -s to the qemu command line and boot again. Then when it hangs
> connect gdb to see where it hangs
> gdb -ex "target remote localhost:1234" vmlinux
> bt
> <show output>