Re: runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.


Edgar Mobile
 

Ah, that's an interesting information.
The dmesg log gives the impression that virgl starts correctly and in the normal shell the examples work flawlessly. The problems start once I tell weston to use the ivi-shell instead of the desktop shell.


From: Alexander Kanavin <alex.kanavin@...>
Sent: Thursday, March 17, 2022 1:51 PM
To: Edgar Mobile <heideggm@...>
Cc: yocto@... <yocto@...>
Subject: Re: [yocto] runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.
 
There is no hardware acceleration with bochs at all, if you want it,
you need to make virtio/virgl driver work.

Alex

On Thu, 17 Mar 2022 at 14:02, Edgar Mobile <heideggm@...> wrote:
>
> Do you know if bochs driver is available and active for yocto 3.4 or 3.5?
>
> ________________________________
> From: Alexander Kanavin <alex.kanavin@...>
> Sent: Thursday, March 17, 2022 11:26 AM
> To: Edgar Mobile <heideggm@...>
> Cc: yocto@... <yocto@...>
> Subject: Re: [yocto] runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.
>
> As I told you, we do not support or test this combination. Which means
> that figuring out what the error messages mean and how to fix them is
> on you - patches welcome.
>
> Alex
>
> On Thu, 17 Mar 2022 at 11:41, Edgar Mobile <heideggm@...> wrote:
> >
> > I tried that first and it was horribly slow. That's why I try hardware acceleration now.
> >
> > Do you _know_ it doesn't work? If yes, why?
> >
> > ________________________________
> > From: Alexander Kanavin <alex.kanavin@...>
> > Sent: Thursday, March 17, 2022 10:33 AM
> > To: Edgar Mobile <heideggm@...>
> > Cc: yocto@... <yocto@...>
> > Subject: Re: [yocto] runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.
> >
> > If you want an aarch guest on x86, then drop the gl option from
> > runqemu. This will fall back to software rendering.
> >
> > Alex
> >
> > On Thu, 17 Mar 2022 at 10:33, Edgar Mobile <heideggm@...> wrote:
> > >
> > > Sorry, but I need an Aarch64 guest.
> > >
> > > Ok, using a newer qemu I now encounter the following problem:
> > >
> > > root@qemuarm64:/usr/bin# XDG_RUNTIME_DIR=/run/user/0 ./eglinfo
> > > EGL client extensions string:
> > >     EGL_EXT_client_extensions EGL_EXT_device_base
> > >     EGL_EXT_device_enumeration EGL_EXT_device_query EGL_EXT_platform_base
> > >     EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug
> > >     EGL_EXT_platform_device EGL_EXT_platform_wayland
> > >     EGL_KHR_platform_wayland EGL_EXT_platform_x11 EGL_KHR_platform_x11
> > >     EGL_MESA_platform_xcb EGL_MESA_platform_gbm EGL_KHR_platform_gbm
> > >     EGL_MESA_platform_surfaceless
> > >
> > > GBM platform:
> > > pci id for fd 3: 1234:1111, driver (null)
> > > MESA-LOADER: failed to open bochs-drm: /usr/lib/dri/bochs-drm_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/dri)
> > > failed to load driver: bochs-drm
> > > ...
> > >
> > >
> > > What is this bochs-drm_dri.so and does Yocto / the Mesa in Yocto provide it?
> > >
> > > ________________________________
> > > From: Alexander Kanavin <alex.kanavin@...>
> > > Sent: Wednesday, March 16, 2022 2:51 PM
> > > To: Edgar Mobile <heideggm@...>
> > > Cc: yocto@... <yocto@...>
> > > Subject: Re: [yocto] runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.
> > >
> > > This configuration is not tested. If you want accelerated gl, build
> > > for the qemux86-64 target.
> > >
> > > Alex
> > >
> > > On Wed, 16 Mar 2022 at 12:46, Edgar Mobile <heideggm@...> wrote:
> > > >
> > > > Greetings,
> > > >
> > > > I tried to run an Aarch64 Yocto with qemu on amd 64 Host. For that purpose, I built core-image-weston from Hardknott following the manual
> > > >
> > > > https://www.mail-archive.com/yocto@.../msg07306.html
> > > >
> > > > I then try to run
> > > >
> > > > runqemu sdl gl
> > > >
> > > > But it always aborts with
> > > >
> > > > runqemu - ERROR - Failed to run qemu: qemu-system-aarch64: Virtio VGA not available.
> > > >
> > > > What can I do?
> > > >
> > > > Regards
> > > >
> > > >
> > > >

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