linux-kernel - DMAR error with SM2263XT controller

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Date:   Fri, 11 Jan 2019 16:47:42 +0100
From:   Ingo Brunberg <ingo_brunberg@....de>
To:     linux-kernel@...r.kernel.org
Subject: DMAR error with SM2263XT controller

I have got a HP EX900 NVMe SSD with the SM2263XT controller. Whenever I
perform fstrim on this device, I get the appended error message. Maybe
something can be made out of that.

DMAR: DRHD: handling fault status reg 3
DMAR: [DMA Read] Request device [04:00.0] fault addr f98eb000 [fault reason 06] PTE Read access is not set
DMAR: DRHD: handling fault status reg 3
DMAR: [DMA Read] Request device [04:00.0] fault addr f99e3000 [fault reason 06] PTE Read access is not set
DMAR: DRHD: handling fault status reg 3
DMAR: [DMA Read] Request device [04:00.0] fault addr f99fc000 [fault reason 06] PTE Read access is not set
DMAR: DRHD: handling fault status reg 3