我有Dell XPS 15 9550。我已經在它上面運行Ubuntu 16.10四個月了，沒有任何戲劇性的變化。

兩天前，我升級到Ubuntu 17.04。升級大約一個小時后，我的硬盤驅動器重新安裝為只讀模式。當我跳到tty屏幕時，出現了：

[ 746.341551] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #525023: comm NetworkManager: reading directory iblock 0

[ 746.343318] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #524289: comm pool: reading directory iblock 0

[ 746.356125] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272213: comm systemd-udevd: reading directory iblock 0

[ 746.356139] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272210: comm systemd-udevd: reading directory iblock 0

[ 746.356332] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272193: comm systemd-udevd: reading directory iblock 0

[ 746.356338] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272825: comm systemd-udevd: reading directory iblock 0

[ 746.356400] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #11272210: comm systemd-udevd: reading directory iblock 0

[ 746.474632] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #524539: comm unity-settings-: reading directory iblock 0

[ 746.992814] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #5506108: comm BrowserBlocking: reading directory iblock 0

[ 746.304451] EXT4-fs error (device nvme0n1p7): ext4_find_entry:1463: inode #5506117: comm BrowserBlocking: reading directory iblock 0

以下是fdisk -l節目：

Disk /dev/nvme0n1: 477 GiB, 512110190592 bytes, 1000215216 sectors

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: gpt

Disk identifier: 3CD27380-DAC8-48DC-910A-D084CE857DA3

Device Start End Sectors Size Type

/dev/nvme0n1p1 2048 1026047 1024000 500M EFI System

/dev/nvme0n1p2 1026048 1288191 262144 128M Microsoft reserved

/dev/nvme0n1p3 1288192 487948287 486660096 232.1G Microsoft basic data

/dev/nvme0n1p4 972302336 973223935 921600 450M Windows recovery environmen

/dev/nvme0n1p5 973223936 998094847 24870912 11.9G Windows recovery environmen

/dev/nvme0n1p6 998094848 1000204287 2109440 1G Windows recovery environmen

/dev/nvme0n1p7 487948288 939046911 451098624 215.1G Linux filesystem

/dev/nvme0n1p8 939046912 972302335 33255424 15.9G Linux swap

Partition table entries are not in disk order.

我重新啟動，并繼續每小時大約收到一次錯誤。所以我從頭開始重新安裝了 Ubuntu 17.04 。但是我仍然遇到同樣的問題。

我嘗試通過創建/ forcefsck文件來運行fsck(我創建了一個包裝外殼程序腳本，該腳本添加了-v標志并將stdout輸出到文件中)。結果如下：

fsck.fat 4.0 (2016-05-06)

Checking we can access the last sector of the filesystem

Boot sector contents:

System ID "MSDOS5.0"

Media byte 0xf8 (hard disk)

512 bytes per logical sector

4096 bytes per cluster

6206 reserved sectors

First FAT starts at byte 3177472 (sector 6206)

2 FATs, 32 bit entries

508416 bytes per FAT (= 993 sectors)

Root directory start at cluster 2 (arbitrary size)

Data area starts at byte 4194304 (sector 8192)

126976 data clusters (520093696 bytes)

63 sectors/track, 255 heads

2048 hidden sectors

1024000 sectors total

Reclaiming unconnected clusters.

Checking free cluster summary.

/dev/nvme0n1p1: 212 files, 15526/126976 clusters

我嘗試從實時USB引導并e2fsck -p /dev/nvme0n1p7按照此處的建議運行(/ubuntu//a/768813/679041)。它沒有給出任何錯誤。

我也嘗試運行，smartctl -t long /dev/nvme0n1p7但是結果似乎表明該工具不適用于我的特定SSD：

smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.10.0-19-generic] (local build)

Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===

Model Number: PM951 NVMe SAMSUNG 512GB

Serial Number: S29PNX0H611013

Firmware Version: BXV77D0Q

PCI Vendor/Subsystem ID: 0x144d

IEEE OUI Identifier: 0x002538

Controller ID: 1

Number of Namespaces: 1

Namespace 1 Size/Capacity: 512,110,190,592 [512 GB]

Namespace 1 Utilization: 254,982,533,120 [254 GB]

Namespace 1 Formatted LBA Size: 512

Local Time is: Mon Apr 17 17:45:48 2017 AEST

Firmware Updates (0x06): 3 Slots

Optional Admin Commands (0x0017): Security Format Frmw_DL *Other*

Optional NVM Commands (0x001f): Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat

Maximum Data Transfer Size: 32 Pages

Supported Power States

St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat

0 + 6.00W - - 0 0 0 0 5 5

1 + 4.20W - - 1 1 1 1 30 30

2 + 3.10W - - 2 2 2 2 100 100

3 - 0.0700W - - 3 3 3 3 500 5000

4 - 0.0050W - - 4 4 4 4 2000 22000

Supported LBA Sizes (NSID 0x1)

Id Fmt Data Metadt Rel_Perf

0 + 512 0 0

=== START OF SMART DATA SECTION ===

Read NVMe SMART/Health Information failed: NVMe Status 0x2002

是否知道為什么會出現此問題以及如何解決？謝謝！:)

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