linux-kernel - Re: 5.4+: PAGE FAULT crashes the system multiple times per 24h

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Message-ID: <8c43a767-282e-7d10-d7c5-d4587d6d012a@xs4all.nl>
Date:   Tue, 11 Feb 2020 03:56:25 +0100
From:   Udo van den Heuvel <udovdh@...all.nl>
To:     Gabriel C <nix.or.die@...il.com>
Cc:     "linux-mm@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 5.4+: PAGE FAULT crashes the system multiple times per 24h

On 10-02-2020 18:01, Gabriel C wrote:
>> rd.luks.options=discard
>>
>> We want to use discard on our ssd's.
> 
> Use mount options?

Not enough to make it work.

> 
>> elevator=mq-deadline
>> We want a different scheduler for ssd versus hdd.
> 
> If you really want that you should use udev rules for SSD/NVME/HDD/USB etc.

Simply load the scheduler module and set the scheduler in rc.local is
easier.


Udo