Compile own kernel with patches

M

Morbious

New Member
Feb 27, 2018
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Hi,

Is there any documentation how can I compile my own kernel and apply proxmox patches?
I was trying to use one from proxmox github but this only can be used for 4.15 not for the latest...

Best regards,

Morbious
 
Hi,

I would like to rebuild an Proxmox kernel with the reset patch for my Vega 64, so it can not be build as an DKMS.

that a common case to need to rebuild a proxmox kernel.

see post

I'm trying that:

apt-get install git debhelper build-essential dh-python dh-systemd sphinx-common lintian
apt-get install asciidoc-base bison flex libdw-dev libelf-dev libiberty-dev libnuma-dev libslang2-dev libssl-dev lz4 xmlto zlib1g-dev

cd /usr/src
git clone git://git.proxmox.com/git/pve-kernel.git
cd pve-kernel
git branch -a
# choose a branch
git checkout pve-kernel-5.3
# try to place the patch in the correct place.
wget https://gist.githubusercontent.com/...3d0553bb246b5bc327d67abb/fix-vega-reset.patch -O patches/kernel/0007-fix-vega-reset.patch
make
# will download related kernel sources.
Click to expand...

I have now a lot of new deb file, but no patch looks to by applied.
 
Last edited:
Hi uriel,

How did you find that the patch didn't look applied? Did you install the kernel and test it? I'm curious.

In any case, I've modified your approach a bit and managed to fix the issue with the new kernel.
I can stop/start the windows VM all day long without any hacks. And I'm doing a single GPU passthrough, Vega 56 with Ryzen 3600, B450 Mortar - so no iGPU (I like to think this makes the whole thing more complicated :D )

Here's what I did :

Bash: 
cd /usr/src
# Download the patch here - or anywhere really
# You may want to clone the fix repo instead of this ugly wget
wget https://gist.githubusercontent.com/numinit/1bbabff521e0451e5470d740e0eb82fd/raw/0ec757c30cec041c3d0553bb246b5bc327d67abb/fix-vega-reset.patch
# Do the repo cloning, checkout
git clone git://git.proxmox.com/git/pve-kernel.git
cd pve-kernel
git checkout pve-kernel-5.3
# Download the submodules code. This will download the kernel code under submodules/ubuntu-eoan
git submodule update --init --recursive
# Go to the kernel root folder and apply the patch
cd submodules/ubuntu-eoan
patch -p1 < /usr/src/fix-vega-reset.patch
# You can check the git diff to see that it has applied
git diff
# Now go back to the pve-kernel folder and make it
cd /usr/src/pve-kernel #or cd - or cd ../../
make
# It will generate a bunch of .deb but I've installed only the kernel and rebooted
dpkg -i pve-kernel-5.3.18-3-pve_5.3.18-3_amd64.deb

Btw, the reset-test thing didn't work even after patching. But my VM is behaving nicely, so that is what matters.
 
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