PTE Write access is not set

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From	Harald Dunkel <harald.dunkel@aixigo.com>
Newsgroups	linux.debian.kernel
Subject	PTE Write access is not set
Date	Fri, 05 Nov 2021 11:20:01 +0100
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Package: linux-image-5.10.0-9-amd64
Version: 5.10.70-1

I have found a lot of messages in on 4 Dell R740 (with Perc H740P controller
and 7 SSDs in RAID5 plus 1 hot spare) this morning:

[Fri Nov  5 07:40:53 2021] DMAR: DRHD: handling fault status reg 2
[Fri Nov  5 07:40:53 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr bd973000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:53 2021] DMAR: DRHD: handling fault status reg 102
[Fri Nov  5 07:40:53 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cfb5e000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:53 2021] DMAR: DRHD: handling fault status reg 202
[Fri Nov  5 07:40:53 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr ff1ff000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:53 2021] DMAR: DRHD: handling fault status reg 302
[Fri Nov  5 07:40:58 2021] dmar_fault: 9065 callbacks suppressed
[Fri Nov  5 07:40:58 2021] DMAR: DRHD: handling fault status reg 702
[Fri Nov  5 07:40:58 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr d1034000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:58 2021] DMAR: DRHD: handling fault status reg 2
[Fri Nov  5 07:40:58 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cbb52000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:58 2021] DMAR: DRHD: handling fault status reg 102
[Fri Nov  5 07:40:58 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr d5aef000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:40:58 2021] DMAR: DRHD: handling fault status reg 202
[Fri Nov  5 07:41:03 2021] dmar_fault: 9927 callbacks suppressed
[Fri Nov  5 07:41:03 2021] DMAR: DRHD: handling fault status reg 102
[Fri Nov  5 07:41:03 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr fda7f000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:03 2021] DMAR: DRHD: handling fault status reg 202
[Fri Nov  5 07:41:03 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr e022b000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:03 2021] DMAR: DRHD: handling fault status reg 302
[Fri Nov  5 07:41:03 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr e021d000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:03 2021] DMAR: DRHD: handling fault status reg 402
[Fri Nov  5 07:41:08 2021] dmar_fault: 10451 callbacks suppressed
[Fri Nov  5 07:41:08 2021] DMAR: DRHD: handling fault status reg 502
[Fri Nov  5 07:41:08 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cdf58000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:08 2021] DMAR: DRHD: handling fault status reg 602
[Fri Nov  5 07:41:08 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr e371f000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:08 2021] DMAR: DRHD: handling fault status reg 702
[Fri Nov  5 07:41:08 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr b55fd000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:08 2021] DMAR: DRHD: handling fault status reg 2
[Fri Nov  5 07:41:13 2021] dmar_fault: 9633 callbacks suppressed
[Fri Nov  5 07:41:13 2021] DMAR: DRHD: handling fault status reg 202
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr fd77d000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cdf30000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cdf30000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr a33bc000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cbd54000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:13 2021] DMAR: DRHD: handling fault status reg 700
[Fri Nov  5 07:41:13 2021] DMAR: DRHD: handling fault status reg 702
[Fri Nov  5 07:41:13 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr ffd95000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:18 2021] dmar_fault: 9696 callbacks suppressed
[Fri Nov  5 07:41:18 2021] DMAR: DRHD: handling fault status reg 202
[Fri Nov  5 07:41:18 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr dd9a5000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:18 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr d011e000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:18 2021] DMAR: DRHD: handling fault status reg 400
[Fri Nov  5 07:41:18 2021] DMAR: DRHD: handling fault status reg 402
[Fri Nov  5 07:41:18 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr 98457000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:18 2021] DMAR: DRHD: handling fault status reg 502
[Fri Nov  5 07:41:18 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cfaff000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:23 2021] dmar_fault: 10254 callbacks suppressed
[Fri Nov  5 07:41:23 2021] DMAR: DRHD: handling fault status reg 402
[Fri Nov  5 07:41:23 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr e4a7b000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:23 2021] DMAR: DRHD: handling fault status reg 502
[Fri Nov  5 07:41:23 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr afeac000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:23 2021] DMAR: DRHD: handling fault status reg 602
[Fri Nov  5 07:41:23 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr 977b1000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:23 2021] DMAR: DRHD: handling fault status reg 702
[Fri Nov  5 07:41:28 2021] dmar_fault: 10672 callbacks suppressed
[Fri Nov  5 07:41:28 2021] DMAR: DRHD: handling fault status reg 2
[Fri Nov  5 07:41:28 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr b54fc000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:28 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr e4cfe000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:28 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr f94b2000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:28 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cbb68000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:28 2021] DMAR: DRHD: handling fault status reg 400
[Fri Nov  5 07:41:28 2021] DMAR: DRHD: handling fault status reg 402
[Fri Nov  5 07:41:28 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr cba06000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:33 2021] dmar_fault: 10960 callbacks suppressed
[Fri Nov  5 07:41:33 2021] DMAR: DRHD: handling fault status reg 302
[Fri Nov  5 07:41:33 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr f14e9000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:33 2021] DMAR: [DMA Write] Request device [5e:00.0] PASID ffffffff fault addr be7c7000 [fault reason 05] PTE Write access is not set
[Fri Nov  5 07:41:33 2021] DMAR: DRHD: handling fault status reg 500

What is it trying to tell me?

At 7:40 I did an umount of the 5 TByte ext4 partition stored
on this RAID5, AFAIR. I didn't notice these messages immediately.


Regards
Harri

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PTE Write access is not set Harald Dunkel <harald.dunkel@aixigo.com> - 2021-11-05 11:20 +0100

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