On Sat, Jan 23, 2021 at 3:00 AM Roman Shaposhnik <ro...@zededa.com> wrote:
> On Fri, Jan 22, 2021 at 4:27 PM Stefano Stabellini > <sstabell...@kernel.org> wrote: > > > > + xen-devel, Roman, > > > > > > On Fri, 22 Jan 2021, Jukka Kaartinen wrote: > > > Hi Stefano, > > > I'm Jukka Kaartinen a SW developer working on enabling hypervisors on > mobile platforms. One of our HW that we use on development is > > > Raspberry Pi 4B. I wonder if you could help me a bit :). > > > > > > I'm trying to enable the GPU with Xen + Raspberry Pi for dom0. > https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=232323#p1797605 > > > > > > I got so far that GPU drivers are loaded (v3d & vc4) without errors. > But now Xen returns error when X is starting: > > > (XEN) traps.c:1986:d0v1 HSR=0x93880045 pc=0x00007f97b14e70 > gva=0x7f7f817000 gpa=0x0000401315d000 > > > I tried to debug what causes this and looks like find_mmio_handler > cannot find handler. > > > (See more here: > https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=232323&start=25#p1801691 > ) > > > > > > Any ideas why the handler is not found? > > > > > > Hi Jukka, > > > > I am glad to hear that you are interested in Xen on RaspberryPi :-) I > > haven't tried the GPU yet, I have been using the serial only. > > Roman, did you ever get the GPU working? > > I've never tested it with X -- sorry. But I have to ask what kernel is > being > used? It made a lot of difference for me to actually STOP using RPi > supplied kernels and switch directly to 5.10.7. > I'm using rpi-5.9.y -branch from https://github.com/raspberrypi/linux. I tried to use rpi-5.10.y but with that raspberry is not booting up. -- Br, Jukka Kaartinen
