Re: [PATCH 0/2] printk: replace ringbuffer

From: Sergey Senozhatsky
Date: Wed Feb 05 2020 - 01:36:47 EST


On (20/02/05 13:38), lijiang wrote:
> > On (20/02/05 13:48), Sergey Senozhatsky wrote:
> >> On (20/02/05 12:25), lijiang wrote:

[..]

> >>
> >> So there is a General protection fault. That's the type of a problem that
> >> kills the boot for me as well (different backtrace, tho).
> >
> > Do you have CONFIG_RELOCATABLE and CONFIG_RANDOMIZE_BASE (KASLR) enabled?
> >
>
> Yes. These two options are enabled.
>
> CONFIG_RELOCATABLE=y
> CONFIG_RANDOMIZE_BASE=y

So KASLR kills the boot for me. So does KASAN.

John, do you see any of these problems on your test machine?

-ss