linux-kernel - Re: Kernel 4.17.4 lockup

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Message-ID: <CAMe9rOopjyiP4LSBqpDzBi4aQe+LKuFJdMAMBR=v9gbJy1QJmA@mail.gmail.com>
Date:   Wed, 11 Jul 2018 10:50:23 -0700
From:   "H.J. Lu" <hjl.tools@...il.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Mel Gorman <mgorman@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Rik van Riel <riel@...riel.com>,
        Minchan Kim <minchan@...nel.org>
Subject: Re: Kernel 4.17.4 lockup

On Wed, Jul 11, 2018 at 10:43 AM, Dave Hansen <dave.hansen@...el.com> wrote:
> On 07/11/2018 10:29 AM, H.J. Lu wrote:
>>> I have seen it on machines with various amounts of cores and RAMs.
>>> It triggers the fastest on 8 cores with 6GB RAM reliably.
>> Here is the first kernel message.
>
> Does it trigger better with more RAM or less?

It triggers much more with 6GB RAM than with 32GB and 64GB.

-- 
H.J.