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Kubuntu update-grub 不更新 UEFI

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Kubuntu update-grub 不更新 UEFI

我不明白为什么该命令sudo update-grub不更新我的菜单。系统是UEFI。菜单永远不会改变。这曾经工作得很好，直到我启动到 Ubuntu (sd5)。我认为它做了一些事情并将菜单更改为自己的 grub，但无法修复它以使用我自己的 sd6 上的 Kubuntu。

这是命令输出：

~$ sudo update-grub
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-56-generic
Found initrd image: /boot/initrd.img-5.4.0-56-generic
Found linux image: /boot/vmlinuz-5.4.0-54-generic
Found initrd image: /boot/initrd.img-5.4.0-54-generic
Found linux image: /boot/vmlinuz-5.4.0-48-generic
Found initrd image: /boot/initrd.img-5.4.0-48-generic
Found linux image: /boot/vmlinuz-5.4.0-47-generic
Found initrd image: /boot/initrd.img-5.4.0-47-generic
Found Windows Boot Manager on /dev/sda2@/efi/Microsoft/Boot/bootmgfw.efi
Found Linux Mint 20 Ulyana (20) on /dev/sdb4
Found Ubuntu 20.04 LTS (20.04) on /dev/sdb5
Adding boot menu entry for UEFI Firmware Settings
done

这是 grub 菜单 在此输入图像描述

这是配置

$ efibootmgr -v 
BootCurrent: 0007
Timeout: 2 seconds
BootOrder: 0007,0000,000C,000D,0001,0002,0003
Boot0000* Windows Boot Manager  HD(2,GPT,4d15df2f-e75f-4912-bcba-a62186e4263e,0x12c800,0x96000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...3................
Boot0001* UEFI:CD/DVD Drive     BBS(129,,0x0)
Boot0002* UEFI:Removable Device BBS(130,,0x0)
Boot0003* UEFI:Network Device   BBS(131,,0x0)
Boot0007* ubuntu        HD(3,GPT,ae44ef90-80c1-47ed-aa64-0491ca100023,0x41d59800,0x100800)/File(\EFI\ubuntu\shimx64.efi)
Boot000C* UEFI: IP4 Qualcomm Atheros PCIe Network Controller    PciRoot(0x0)/Pci(0x1c,0x2)/Pci(0x0,0x0)/MAC(448a5b42a3ce,0)/IPv4(0.0.0.00.0.0.0,0,0)..BO
Boot000D* UEFI: IP6 Qualcomm Atheros PCIe Network Controller    PciRoot(0x0)/Pci(0x1c,0x2)/Pci(0x0,0x0)/MAC(448a5b42a3ce,0)/IPv6([::]:<->[::]:,0,0)..BO

这是我的分区：

Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 250069680 sectors, 119.2 GiB

.....
Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         1230847   600.0 MiB   2700  Basic data partition
   2         1230848         1845247   300.0 MiB   EF00  EFI system partition
   3         1845248         2107391   128.0 MiB   0C01  Microsoft reserved ...
   4         2107392       250068991   118.2 GiB   0700  Basic data partition


Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 1953525168 sectors, 931.5 GiB
....
Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048      1104517119   526.7 GiB   0700  Basic data partition
   2      1923717120      1953523711   14.2 GiB    2700  Basic data partition
   3      1104517120      1105567743   513.0 MiB   EF00  EFI System Partition
   4      1105567744      1358393343   120.6 GiB   8300  
   5      1881108480      1923717119   20.3 GiB    8300  
   6      1358393344      1881108479   249.3 GiB   8300

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