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From: | Greg White |
Subject: | RE: ubuntu and text boot with grub2 |
Date: | Mon, 16 Apr 2012 19:24:22 -0500 |
> > I have a working grub2 installation with an inconvenience. I want a text
> > based boot. I want to see all of the kernel messages scroll by. I want a > > command prompt and not X. I edited my /etc/defaults/grub to remove the > > quiet and splash options. Yes I did the update-grub2. Still no text. I > > added text to end of the kernel line and I get is a black screen. The > > system is responsive to Ctrl-Alt-Delete so I know the system is working > > properly. I removed text and added nomodeset and the system boots to a > > graphical login. I gave up on changing the various grub files to fit my > > needs and rerunning update-grub2. > > The problem is that [U]EFI doesn't allow for early printing of kernel > messages because there is no simple text console in UEFI once you've > exited boot services, so you won't see any output from the kernel > until a graphical framebuffer has been created. Kernel Mode Setting > will probably help get such a framebuffer running early, but you are > disabling KMS by adding the nomodeset parameter. There isn't much that > grub can do to improve this, so you really need to ask how to get a > framebuffer for printing kernel messages up sooner in your > Distribution's or other GNU/Linux support channels. A simple option > though would be to boot via BIOS rather than [U]EFI. > > -- > Jordan Uggla (Jordan_U on irc.freenode.net) I removed the nomedset parameter and still only get a black screen until X starts and I get a graphical login. It looks like I will have to research KMS on my Intel HD integrated graphics card. I still want to see all of the kernel messages even if it is graphical and not text. Thanks, |
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