Re: [mm 4.15-rc8] Random oopses under memory pressure.

From: Ingo Molnar
Date: Tue Jan 16 2018 - 03:37:49 EST



* Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> wrote:

> Did anyone else notice the
>
> [ 31.068198] ? vmalloc_sync_all+0x150/0x150
>
> present in a bunch of the stack traces? That should be pretty uncommon.

I thikn that's pretty unusual:

> Is it just part of the normal do_page_fault() stack and the stack
> dumper picks up on it?

No, it should only be called by register_die_notifier(), which is not part of the
regular stack dump, AFAICS.

Thanks,

Ingo