Re: Kernel 4.17.4 lockup

From: H.J. Lu
Date: Mon Jul 23 2018 - 10:55:48 EST


On Fri, Jul 20, 2018 at 2:35 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>
>> On Jul 16, 2018, at 6:05 AM, H.J. Lu <hjl.tools@xxxxxxxxx> wrote:
>>
>>> On Fri, Jul 13, 2018 at 7:08 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>>> I'm not at all convinced that this is the problem, but the series here
>>> will give a better diagnostic if the issue really is an IRQ stack
>>> overflow:
>>>
>>> https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/log/?h=x86/guard_pages
>>>
>>
>> This kernel won't boot with this configure file.
>
> Bah humbug. Youâll need to turn KASAN off (and maybe even compile it out entirely) if you want to test this. I need to bug the KASAN folks to unbreak their interaction with stacks in vmap space. Itâs been broken literally forever, but I keep incorrectly imagining that itâs been fixed already.
>

This particular kernel oops has been fixed by kernel 4.17.7. But now
I am running into
another kernel oops:

https://bugzilla.redhat.com/show_bug.cgi?id=1597559

--
H.J.