Re: Kernel 4.17.4 lockup

From: Dave Hansen
Date: Mon Jul 09 2018 - 23:48:09 EST


On 07/09/2018 07:14 PM, H.J. Lu wrote:
>> I'd really want to see this reproduced without KASLR to make the oops
>> easier to read. It would also be handy to try your workload with all
>> the pedantic debugging: KASAN, slab debugging, DEBUG_PAGE_ALLOC, etc...
>> and see if it still triggers.
> How can I turn them on at boot time?

The only thing you can add at boot time is slab debugging, and it's
probably the most useless of the three that I listed since you're not
actually seeing any slab corruption.

The rest are compile-time options.