Sourcing file `/etc/default/grub' /usr/sbin/grub-mkconfig: 42: /etc/default/grub: nvme_core.default_ps_max_latency_us=5500: not found #2404 #grubefi

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Sourcing file `/etc/default/grub' /usr/sbin/grub-mkconfig: 42: /etc/default/grub: nvme_core.default_ps_max_latency_us=5500: not found

I installed Ubuntu 24.04 on my Acer laptop. I had to add a parameter to get Ubuntu to recognize my NVMe SSD on boot, but any time I run sudo update-grub or sudo update-grub2, I get this output: Sou...

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How to change the UUID of an EFI partition #grubefi #uuid

https://askubuntu.com/q/1564692/612

How to change the UUID of an EFI partition

I cloned a bootable volume which has resulted in the EFI partitions having the same UUID. This is causing confusion in FSTAB so I want to change one of them. The recommended way is to use tune2fs but

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Recent upgrade to 6.17.0-14 yields kernel panic. How do I remove that kernel from GRUB? #boot #kernel #2404 #grubefi

https://askubuntu.com/q/1564321/612

Recent upgrade to 6.17.0-14 yields kernel panic. How do I remove that kernel from GRUB?

A recent auto-upgrade from 6.14.0-37 to 6.17.0-14 yields a kernel panic at boot: Unable to mount root fs Unknown Block (0,0) To get the machine up I have to select 6.14.0-37 from the GRUB boot menu...

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Recent upgrade to 6.17.0-14 yields kernel panic. How do I remove that kernel from GRUB? #boot #grubefi

https://askubuntu.com/q/1564321/612

Recent upgrade to 6.17.0-14 yields kernel panic. How do I remove that kernel from GRUB?

A recent auto-upgrade from 6.14.0-37 to 6.17.0-14 yields a kernel panic at boot: Unable to mount root fs Unknown Block (0,0) To get the machine up I have to select 6.14.0-37 from the GRUB boot menu...

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Why can't I boot by default to GRUB on my MSI motherboard #dualboot #grubefi #msi

https://askubuntu.com/q/1564296/612

Why can't I boot by default to GRUB on my MSI motherboard

I recently installed Ubuntu 24.04.4 LTS on my windows pc. I added the efi entries on my main drive containing windows and wanted to dual boot, such that grub loads on default and I can select wheth...

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Unable to boot from GRUB using chainloader and the efi path and also via chainloader +1 #boot #dualboot #grub2 #usb #grubefi

https://askubuntu.com/q/1564038/612

Unable to boot from GRUB using chainloader and the efi path and also via chainloader +1

I am trying to run an iso file off a USB. My system has dual-boot Ubuntu / Windows. I press 'c' at GRUB and type: root=(cd0) # identity of USB based on ls -l chainloader /boot/efi/EFI/Boot/bootx64....

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