On Tuesday 16 July 2019 16:20:32 Florian La Roche wrote: > Hello, > > since the question about Debian and a RT-kernels came up, also > mentioning RPi3, here some infos from me: > > - Debian buster or unstable should work fine for both armhf and arm64. > The kernel > should allow booting and normal usage, but it has not all the > patches that are available from > https://github.com/raspberrypi/linux > - I have collected some scripts to create bootable images that are > available at: > https://github.com/laroche/arm-devel-infrastructure/tree/master/vmdb2- >debian With vmdb2 is is pretty easy to create standard Debian images > and you should be able to > adjust the software and add some settings for your own private > needs. - As pointed out raspian is based on Debian, but it is its own > distribution with its own discussion > forums that you might contact.
Thank you, I'll see what I can do with this tomorrow. But contacting that forum is a waste of oxygen, they won't even acknowledge the question has been asked. > - It has been pretty easy to take the patches from > https://github.com/raspberrypi/linux and add > these to a standard Debian kernel. I've used this some weeks ago > with 4.19.y kernels until > the RPi4 kernel patches moved on real current 4.19.55 or newer and > thus didn't work anymore with 4.19.37 from Debian buster. > Good news is that Debian master has now 5.2.1 available with > RT-patches and raspian also > provides patches for 5.2.1: > https://salsa.debian.org/kernel-team/linux/commits/master > > > Here some snippets to compile 5.2.1 kernel from Debian and include the > patches from > raspian: > > # extract 5.2.1 raspian patches, change commit id for other kernel > versions: git clone -b rpi-5.2.y https://github.com/raspberrypi/linux/ > rpi-linux cd rpi-linux > git format-patch -o ../rpi-patches-5.2.1 > 527a3db363a3bd7e6ae0a77da809e01847a9931c > cd .. > > # compile newest Debian kernel 5.2.1: > sudo apt install build-essential fakeroot rsync git > sudo apt build-dep linux > git clone --single-branch --depth 1 > https://salsa.debian.org/kernel-team/linux.git linux-5 > test -f orig/linux_5.2.1.orig.tar.xz || wget > https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.2.1.tar.xz > cd linux-5 > test -f ../orig/linux_5.2.1.orig.tar.xz || XZ_DEFAULTS="-T 0" > debian/bin/genorig.py ../linux-5.2.1.tar.xz > sed -i -e 's/^debug-info: true/debug-info: false/g' > debian/config/defines pushd debian/patches > mkdir bugfix/rpi > cp ../../../rpi-patches-5.2.1/*.patch bugfix/rpi/ > ls bugfix/rpi/*.patch >> series > popd > debian/rules orig > debian/rules debian/control > DEB_BUILD_OPTIONS="parallel=$(grep -c ^processor /proc/cpuinfo)" > XZ_DEFAULTS="-T 0" fakeroot debian/rules binary-arch 2>&1 | tee LOG > cd .. > > > I sometimes upload compiled kernels as well as binary armhf/arm64 > vmdb2 install images > to https://github.com/laroche/arm-devel-infrastructure/releases > (5.2.1 is still compiling, if it compiles ok I'll upload it as well) > Feel free to re-use, share or submit a change request. I am also > looking forward to further improved Debian support. > > > best regards from Germany, > > Florian La Roche Thanks Florian, I appreciate it, a lot. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>
