linux-kernel - Re: [linus:master] [x86/sme] 48204aba80: BUG:kernel_failed_in_early-boot_stage,last_printk:Booting_the_kernel(entry

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Date: Sun, 24 Mar 2024 15:25:32 +0100
From: Borislav Petkov <bp@...en8.de>
To: kernel test robot <oliver.sang@...el.com>
Cc: Ard Biesheuvel <ardb@...nel.org>, oe-lkp@...ts.linux.dev, lkp@...el.com,
	linux-kernel@...r.kernel.org,
	Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [linus:master] [x86/sme]  48204aba80:
 BUG:kernel_failed_in_early-boot_stage,last_printk:Booting_the_kernel(entry_offset:#)

On Fri, Mar 22, 2024 at 05:03:18PM +0800, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed "BUG:kernel_failed_in_early-boot_stage,last_printk:Booting_the_kernel(entry_offset:#)" on:
> 
> commit: 48204aba801f1b512b3abed10b8e1a63e03f3dd1 ("x86/sme: Move early SME kernel encryption handling into .head.text")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> [test failed on linus/master 741e9d668aa50c91e4f681511ce0e408d55dd7ce]
> [test failed on linux-next/master a1e7655b77e3391b58ac28256789ea45b1685abb]
> 
> in testcase: boot
> 
> compiler: gcc-12
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

My guest boots with your .config and SNB as CPU model:

..
[    0.373770][    T1] smpboot: CPU0: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1)

Artefacts like:

-initrd initrd-vm-meta-180.cgz

or

RESULT_ROOT=/result/boot/1/vm-snb/quantal-x86_64-core-20190426.cgz/x86_64-rhel-8.3-bpf/gcc-12/48204aba801f1b512b3abed10b8e1a63e03f3dd1/3

I don't have and don't know how to generate here so I can't run your
exact reproducer.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette