[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Question about xen and Rasp 4B
On Fri, Jan 22, 2021 at 4:27 PM Stefano Stabellini <sstabellini@xxxxxxxxxx> 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. Thanks, Roman.
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