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    Monday, 30 March 2015

    UEFI Debian installer work for Jessie, part 6

    One final update on my work for UEFI improvements in Jessie!

    All of my improvements have been committed into the various Debian packages involved, and the latest release candidate for Jessie's debian-installer build (RC2) works just as well as my test builds on the Bay Trail system I've been using (Asus X205TA). Job done! :-)

    I'm still hoping to maybe get more hardware support for this particular hardware included in Jessie, but I can't promise. The mixed EFI work has also improved things for a lot of Mac users, and I'm planning to write up a more comprehensive list of supported machines in the Debian wiki (for now).

    There's now no need to use any of the older test installer images - please switch to RC2 for now. See http://cdimage.debian.org/cdimage/jessie_di_rc2/ for the images. If you want to install a 64-bit system with the 32-bit UEFI support, make sure you use the multi-arch amd64/i386 netinst or DVD. Otherwise, any of the standard i386 images should work for a 32-bit only system.

    Upstreaming

    My kernel patch to add the new /sys file was accepted upstream a while back, and has been in Linus' master branch for some time. It'll be in 4.0 unless something goes horribly wrong, and as it's such a tiny piece of code it's trivial to backport to anything remotely recent too.

    I've also just seen that my patch for grub2 to use this new /sys file has been accepted upstream this week. Again, the change is small and self-contained so should be easy to copy across into other trees too.

    Mixed EFI systems should now have better support across all distros in the near future, I hope.

    02:44 :: # :: /debian/CDs :: 11 comments

    Comments

    Re: UEFI Debian installer work for Jessie, part 6
    Brian wrote on Mon, 13 Apr 2015 16:46

    Tried the amd64-i386-netinst and the mac-i386-netinst CD images of RC2 on my Mac Mini (A1176/"Mid 2007"/Macmini2,1) and both of them booted the installer successfully. Didn't actually do an install, as I already have an install on it that I use on daily basis, but I will probably try later this week or next week.


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