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Message-ID: <ee2b23a3-5c93-466b-eb5a-29b768132df3@xs4all.nl>
Date:   Sat, 12 Oct 2019 14:18:29 +0200
From:   Udo van den Heuvel <udovdh@...all.nl>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 5.3.6: nvme pagefault

Hello,

After installing some fresh nvme drives in the system I noticed these in
dmesg:

[   87.866255] fuse: init (API version 7.31)
[  380.017552]  nvme0n1: p1 p2
[  381.101504]  nvme0n1: p1 p2
[  492.177525]  nvme0n1: p1 p2
[  527.965910]  nvme1n1: p1 p2
[  529.041589]  nvme1n1: p1 p2
[  651.030525] md/raid1:md9: not clean -- starting background reconstruction
[  651.030531] md/raid1:md9: active with 2 out of 2 mirrors
[  651.031343] md9: detected capacity change from 0 to 249924026368
[  651.031451] md: resync of RAID array md9
[  685.749937]  md9: p1 p2
[  686.919996]  md9: p1 p2
[  689.511685]  md9: p1 p2
[  728.589949] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfb679000 flags=0x0000]
[  728.589968] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfb679080 flags=0x0000]
[  904.523579] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5e7b000 flags=0x0000]
[  904.523595] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5e7b080 flags=0x0000]
[  904.536579] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfc279000 flags=0x0000]
[  904.536588] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfc279080 flags=0x0000]
[  904.558575] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd5979000 flags=0x0000]
[  904.558586] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd5979080 flags=0x0000]
[  904.671450] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5e7b000 flags=0x0000]
[  904.671462] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5e7b080 flags=0x0000]
[  904.687539] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfd340000 flags=0x0000]
[  904.687551] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfd340080 flags=0x0000]
[  904.696274] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf4f74000 flags=0x0000]
[  904.696287] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf4f74080 flags=0x0000]
[  904.701882] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd56be000 flags=0x0000]
[  904.701896] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd56be100 flags=0x0000]
[  904.701907] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd56be080 flags=0x0000]
[  904.705788] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xffc71000 flags=0x0000]
[  904.705799] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xffc71080 flags=0x0000]
[  904.790813] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf4f6b000 flags=0x0000]
[  904.839323] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xfc296000 flags=0x0000]
[  904.839335] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xfc296080 flags=0x0000]
[  904.897439] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5237000 flags=0x0000]
[  904.897463] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5237100 flags=0x0000]
[  904.897477] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5237080 flags=0x0000]
[  904.906138] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xffc03000 flags=0x0000]
[  904.906157] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xffc03100 flags=0x0000]
[  904.906168] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xffc03080 flags=0x0000]
[  904.915102] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xfb4e1000 flags=0x0000]
[  904.972415] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xd57fe000 flags=0x0000]
[  904.974739] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xffcad000 flags=0x0000]
[  904.974750] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xffcad100 flags=0x0000]
[  948.578151] amd_iommu_report_page_fault: 13 callbacks suppressed
[  948.578157] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfeade000 flags=0x0000]
[  948.582041] amd_iommu_report_page_fault: 12 callbacks suppressed
[  948.582047] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5251000 flags=0x0000]
[  948.582061] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5251100 flags=0x0000]
[  948.582072] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5251080 flags=0x0000]
[  948.595189] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfd7d9000 flags=0x0000]
[  948.601252] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfe37c000 flags=0x0000]
[  948.601265] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xfe37c080 flags=0x0000]
[  948.693727] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd597d000 flags=0x0000]
[  948.693742] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd597d080 flags=0x0000]
[  948.711415] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xff5f7000 flags=0x0000]
[  948.711430] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xff5f7080 flags=0x0000]
[  948.747491] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd57e8000 flags=0x0000]
[  948.754866] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd5932000 flags=0x0000]
[  948.802522] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd57d2000 flags=0x0000]
[  948.859149] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd597d000 flags=0x0000]
[  948.859162] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xd597d080 flags=0x0000]
[  948.891216] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5107000 flags=0x0000]
[  948.891229] nvme 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xf5107100 flags=0x0000]
[  948.891238] amd_iommu_report_page_fault: 15 callbacks suppressed
[  948.891240] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xf5107080 flags=0x0000]
[  948.929609] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xff4a7000 flags=0x0000]
[  948.929622] nvme 0000:09:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x0000 address=0xff4a7080 flags=0x0000]
[  948.982983] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xd593e000 flags=0x0000]
[  949.013114] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xd591e000 flags=0x0000]
[  949.025346] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xf52a5000 flags=0x0000]
[  949.152360] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xfd19c000 flags=0x0000]
[  949.187747] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xff5fe000 flags=0x0000]
[  949.187760] AMD-Vi: Event logged [IO_PAGE_FAULT device=03:00.0
domain=0x0000 address=0xff5fe080 flags=0x0000]
[  949.215317] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xf5e6b000 flags=0x0000]
[  949.215331] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xf5e6b100 flags=0x0000]
[  949.215342] AMD-Vi: Event logged [IO_PAGE_FAULT device=09:00.0
domain=0x0000 address=0xf5e6b080 flags=0x0000]
[ 1004.919321] EXT4-fs (dm-13): mounted filesystem with ordered data
mode. Opts: (null)
[ 1038.778793] EXT4-fs (dm-14): mounted filesystem with ordered data
mode. Opts: (null)


Are these serious? Harmless? Known? Or how to handle these?
Please let me know.

Kind regards,
Udo

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