On Sun, 15 May 2016 15:45:25 +0200 "Steinar H. Gunderson" <[email protected]> wrote: > Package: grub-common > Version: 2.02~beta2-36 > Severity: normal > > Hi, > > I'm setting up GRUB on my ODROID XU4 (chainloading via U-Boot). > It actually works surprisingly well, but grub-mkconfig has one > serious omission; it doesn't load the device tree, which causes > the kernel not to boot. > > I suppose the right way to deal with this is to patch /etc/grub.d/10_linux > to not only look for initrds but also device trees; the logic is > extremely similar. I believe flash-kernel copies these into place > (from /usr/lib/linux-image-<version>/), but it also adds its own > boot.scr which overrides GRUB chainloading from U-Boot, so maybe > some adjustments need to be made there. > > For the record, here's a typical boot sequence for my XU4 if I boot > it manually: > > set root=(hd0,msdos1) > linux /vmlinuz-4.5.0-2-armmp-lpae root=/dev/mmcblk1p2 ro init=/bin/systemd > initrd /initrd.img-4.5.0-2-armmp-lpae > devicetree /dtb-4.5.0-2-armmp-lpae > boot > > where /dtb-4.5.0-2-armmp-lpae is a symlink (created by flash-kernel) > into dtbs/4.5.0-2-armmp-lpae/exynos5422-odroidxu4.dtb. I would assume > just checking for /dtb-<version> would be a very good start. > > Thanks!
I have now provided a patch to support devicetree command and load dtbs as extracted by flash-kernel at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929427 Also trying to get it applied upstream. Regards, Dimitri.
