Early boot messages on UEFI systems with grub

For quite a while I had the problem on UEFI systems that after grub had loaded the kernel there were no boot messages shown until KMS kicked in and switched to the final framebuffer driver. Finally slashbeast, a fellow Gentoo dev, told me the correct kernel cmdline to make early boot messages appear:
CODE:
earlycon=efifb

As prerequisite, the kernel needs to have CONFIG_FB_EFI compiled in and CONFIG_X86_SYSFB disabled.

Trackbacks

Trackback specific URI for this entry

This link is not meant to be clicked. It contains the trackback URI for this entry. You can use this URI to send ping- & trackbacks from your own blog to this entry. To copy the link, right click and select "Copy Shortcut" in Internet Explorer or "Copy Link Location" in Mozilla.

No Trackbacks

Comments

Display comments as Linear | Threaded

No comments

The author does not allow comments to this entry