本文最后更新于：2024年11月29日 上午

Ubuntu 系统加载遇到错误无法进入操作系统，魂儿都吓没了，本文记录解决过程。

问题复现

我的 Ubuntu 22 在一次正常关机之后开机报错：

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[FAILED] Failed to start file system check on /dev/disk/by-uuid/6a982e39-9594-43e5-9328-d95a092945f8 
[DEPEND] Dependency failed for /home
[DEPEND] Dependency failed for Local File Systems
You are in emergency mode.

太吓人了

问题原因

可能由于磁盘老化，系统磁盘有坏道之类的问题，或系统在磁盘读写时强行关机导致磁盘加载错误。

解决方案

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lsblk -f

可以查看当前 uuid 的磁盘还在不在，我在 emergency mode 中运行命令的结果：

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NAME        FSTYPE   FSVER LABEL     UUID                                 FSAVAIL FSUSE% MOUNTPOINTS
loop0       squashfs 4.0                                                        0   100% /snap/bare/5
loop1       squashfs 4.0                                                        0   100% /snap/core18/2846
loop2       squashfs 4.0                                                        0   100% /snap/core20/2379
loop3       squashfs 4.0                                                        0   100% /snap/core20/2434
loop4       squashfs 4.0                                                        0   100% /snap/core22/1663
loop5       squashfs 4.0                                                        0   100% /snap/core24/490
loop6       squashfs 4.0                                                        0   100% /snap/core22/1621
loop7       squashfs 4.0                                                        0   100% /snap/core24/609
loop8       squashfs 4.0                                                        0   100% /snap/firefox/5273
loop9       squashfs 4.0                                                        0   100% /snap/firefox/5361
loop10      squashfs 4.0                                                        0   100% /snap/gnome-3-28-1804/198
loop11      squashfs 4.0                                                        0   100% /snap/gnome-42-2204/141
loop12      squashfs 4.0                                                        0   100% /snap/gnome-42-2204/176
loop13      squashfs 4.0                                                        0   100% /snap/gnome-46-2404/48
loop14      squashfs 4.0                                                        0   100% /snap/gtk-common-themes/1535
loop15      squashfs 4.0                                                        0   100% /snap/irfanview/53
loop16      squashfs 4.0                                                        0   100% /snap/mesa-2404/143
loop17      squashfs 4.0                                                        0   100% /snap/mysql-workbench-community/13
loop18      squashfs 4.0                                                        0   100% /snap/mysql-workbench-community/15
loop19      squashfs 4.0                                                        0   100% /snap/notepad-plus-plus/411
loop20      squashfs 4.0                                                        0   100% /snap/snap-store/1113
loop21      squashfs 4.0                                                        0   100% /snap/notepad-plus-plus/410
loop22      squashfs 4.0                                                        0   100% /snap/snap-store/1216
loop23      squashfs 4.0                                                        0   100% /snap/snapd/21759
loop24      squashfs 4.0                                                        0   100% /snap/snapd/23258
loop25      squashfs 4.0                                                        0   100% /snap/snapd-desktop-integration/247
loop26      squashfs 4.0                                                        0   100% /snap/snapd-desktop-integration/253
loop27      squashfs 4.0                                                        0   100% /snap/wine-platform-6-stable/19
loop28      squashfs 4.0                                                        0   100% /snap/wine-platform-9-devel-core22/30
loop29      squashfs 4.0                                                        0   100% /snap/wine-platform-9-devel-core22/31
loop31      squashfs 4.0                                                        0   100% /snap/wine-platform-runtime/393
loop32      squashfs 4.0                                                        0   100% /snap/wine-platform-runtime-core22/91
loop33      squashfs 4.0                                                        0   100% /snap/wine-platform-runtime-core22/92
loop34      squashfs 4.0                                                        0   100% /run/wine
loop35                                                                          0   100% /snap/wine-platform-runtime/394
nvme0n1                                                                                  
├─nvme0n1p1 vfat     FAT32 ESP       5CC4-0CC4                             944.5M     5% /boot/efi
├─nvme0n1p2 ntfs           OS        F2ACC4C2ACC48299                                    
├─nvme0n1p3 ntfs           software  5C4A914E4A9125B4                                    
├─nvme0n1p4 ntfs           workspace 14FE6913FE68EF04                                    
├─nvme0n1p5 vfat     FAT32           F4AE-36B7                                           
├─nvme0n1p6 swap     1               a1b4abe7-bc5d-4e8b-80d1-85be1d4f4d3c                [SWAP]
├─nvme0n1p7 ext4     1.0             3644dc53-fc22-4192-a85e-fe54987dae2d   50.2G    52% /var/snap/firefox/common/host-hunspell
│                                                                                        /
├─nvme0n1p8 ext4     1.0             6a982e39-9594-43e5-9328-d95a092945f8  
└─nvme0n1p9 ntfs                     FA2E08952E084D57

发现 6a982e39 磁盘还在，对应设备 nvme0n1p8，只是加载不上来，这种情况下可以运行命令尝试修复：

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e2fsck -y /dev/nvme0n1p8

之后重启可以正常进入系统。

参考资料



文章链接：
https://www.zywvvd.com/notes/system/linux/ubuntu-home-crash/ubuntu-home-crash/

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Linux
#Linux
Ubuntu - Failed to start file system check on /dev/disk/by-uuid/...
https://www.zywvvd.com/notes/system/linux/ubuntu-home-crash/ubuntu-home-crash/
作者
Yiwei Zhang
发布于
2024年11月29日
许可协议