so 3. 8. 2019 v 2:03 odesílatel Thierry Reding <thierry.reding@xxxxxxxxx> napsal: > > On Fri, Jul 05, 2019 at 08:06:16PM -0400, Anthony MOI wrote: > > Hi Thierry, > > > > Thank you immensely for your work on the Jetson Nano and Linux Tegra. We > > are two developers that are trying to install Arch Linux on a Jetson Nano, > > and you have helped us tremendously with your multiple tutorials. > > > > We are reaching out today because we feel like we have hit a wall and we > > would be very grateful if you could give us any indication whatsoever as to > > what the next step could be. > > > > Allow us to give you background on what we have done so far: > > > > - We can easily flash the provided sample root file system and get a > > running Ubuntu. > > - We managed to flash an ArchLinux-aarch64, putting all the drivers > > manually. With this installation, we have the 4.9 Kernel provided with the > > L4T drivers package. Everything seems to be working fine, except that we > > can't get Xorg to run. > > - We can update/upgrade the arch system as long as we don't update the > > kernel/firmware > > - We tried to compile both U-Boot and the kernel using your `p3450` > > branches. We can boot using both but in the end, Xorg doesn't work either, > > and the USB firmware does not load. > > > > We have what seems to be a fully working Arch Linux system right now, > > except for the actual display (and the USB with the custom kernel). > > > > When we try to launch our X server, we have the following error: > > [ 540.384] (EE) NVIDIA(GPU-0): Failed to initialize the NVIDIA graphics > > device! > > [ 540.384] (EE) NVIDIA(0): Failing initialization of X screen 0 > > When running the command `shasum -c /etc/nv_tegra_release`, all our drivers > > return OK. > > > > We are at a loss at what to do next, we have tried everything we could > > think of, and would love to have your opinion on the matter. > > > > Thank you so much for everything you’ve done, > > Hi, > > sorry this got burried in my inbox and I only stumbled across it by > accident. > > First of all, the p3450 branch for the Linux kernel is mostly stale > at this point. You should get equivalent, if not better, functionality > using a recent linux-next release. > > Second, if I understand correctly, you're trying to run the L4T > userspace on top of an upstream kernel. However, that's not supported > and will not work. If you want to use an upstream kernel you're going > to have to stick to an upstream graphics stack, which for X means the > modesetting driver (which is built into recent X servers) and Mesa. > The version of Mesa that ships with Arch Linux should support Tegra X1 > and therefore Jetson Nano out of the box. > > If you need to stick with the L4T driver package, then I'm afraid but > you also need to stick with the L4T kernel image. > > Thierry Hello. Perhaps this will help solve the problem. https://elinux.org/Jetson/Porting_Arch#X11_Support I don't know ... Milan -- Remember, no question is too stupid and no problem too small -- We've all been beginners