Re: [mm] c566586818: BUG:kernel_hang_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok

From: Catalin Marinas
Date: Wed Aug 26 2020 - 13:30:21 EST


On Tue, Aug 25, 2020 at 11:02:40PM -0400, Qian Cai wrote:
> On Aug 25, 2020, at 8:44 PM, Rong Chen <rong.a.chen@xxxxxxxxx> wrote:
> > I rebuilt the kernel on commit c566586818 but the error changed to
> > "RIP: 0010:clear_page_orig+0x12/0x40", and the error can be
> > reproduced on parent commit:
>
> Catalin, any thought? Sounds like those early kmemleak allocations
> cause some sort of memory corruption?

I can't immediately see how but Rong implies that the error also happens
on the parent commit. Does it mean the bisection isn't entirely right?

--
Catalin