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解决a start job is running for dev-disk-by[1min12s / 1min 30s]启动错误

boom莎卡拉卡 2023-09-27 阅读 38

my god:

https://blog.csdn.net/qq_33528164/article/details/76725439



first and formost, I am very appreciate to this blog which helps me with solving this problem.I can't bear that every time booting linux I must be wait for at least 1min 30s + 20s, nearly 2min which let me feel fail to the linux and I search many blogs for this problem and did not find. that is the way I come back to my two system machine.


解决a start job is running for dev-disk-by[1min12s    /   1min 30s]启动错误_linux


引起这个错误的是Swap交换分区.

进入ubuntu20.04桌面后,输入下面的命令查看Swap状态。

swapon --show

解决a start job is running for dev-disk-by[1min12s    /   1min 30s]启动错误_系统启动_02

从截图中可以发现,swap分区没有激活。再输入mount命令来查看已挂载的硬盘分区。$ mount发现swap分区没有挂载。也就是说系统启动时swap分区挂载失败才导致了a start job is running for dev-disk-by这个错误。


但是为什么会挂载失败呢?后来发现,原来是swap分区的UUID号发生了变化。输入下面的命令查看swap分区的真实UUID。

sudo blkid

解决a start job is running for dev-disk-by[1min12s    /   1min 30s]启动错误_系统启动_03

然后再查看/etc/fstab文件中swap分区的UUID。

sudo vim /etc/fstab

解决a start job is running for dev-disk-by[1min12s    /   1min 30s]启动错误_重启_04

两个UUID不同,正好解释了为什么swap分区会挂载失败。


解决方法是删除或者注释掉/etc/fstab文件中swap分区的UUID,再用sudo blkid命令得出的swap分区UUID替换。

保存文件,重启reboot系统后这个错误就消失了。


这个错误在Arch Linux,Fedora,Ubuntu系统启动时都出现了。

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