Re: [Xen-users] My GPU won't pass through. Is this my goodbye to Xen?

[Folatt <folatt@xxxxxxxxxxxx>]

It's almost two weeks later,
but I had to replace a computer part that was difficult to get.

I followed the advice and still have the same problems:

- Whenever I use 'nano' in my DomU, the resolution drops to 640x480 or 
even lower, using only part of the screen.
- I am not able
I have not been able to start a desktop manager yet, but I'm not getting 
the same problem anymore.
My current problem however is that greets me in a small window.
I tried setting xen-fbfront.video to a higher resolution, but has no 
effect.
/etc/xen/ArkOS-dev_PV.cfg now looks like this:

name = 'ArkOS_Dev'
bootloader = "pygrub"
#kernel = "/mnt/arch/boot/x86_64/vmlinuz"
#ramdisk = "/mnt/arch/boot/x86_64/archiso.img"
#extra = "archisobasedir=arch archisolabel=ARCH_201511"
memory = 2048
vcpus = 3
disk = [ "format=raw, vdev=xvda, access=rw, 
target=/dev/vm_volumes/root.ArkOS_Dev",
         "format=raw, vdev=xvdb, access=rw, 
target=/dev/vm_volumes/swap.ArkOS_Dev"
       ]
vif = [ 'mac=00:16:3e:49:2b:a1,bridge=xenbr0' ]
vfb = ['vnc=1,vnclisten=0.0.0.0']
root = "/dev/xvda rw"


and my pygrub looks like this:

menuentry 'Arch GNU/Linux, with Linux core repo kernel' --class arch 
--class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-core repo kernel-true-a6ecbc99-beca-4c22-b591-51846a193e25' {
        insmod gzio
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos1'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root 
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 
--hint-baremetal=ahci0,msdos1  a6ecbc99-beca-4c22-b591-51846a193e25
        else
          search --no-floppy --fs-uuid --set=root 
a6ecbc99-beca-4c22-b591-51846a193e25
        fi
        echo    'Loading Linux core repo kernel ...'
        linux   /boot/vmlinuz-linux 
root=UUID=a6ecbc99-beca-4c22-b591-51846a193e25 ro 
xen-fbfront.video=32,1024,768
        echo    'Loading initial ramdisk ...'
        initrd  /boot/initramfs-linux.img
        echo    'Setting resolution paravirtualized framebuffer ...'
}

When I try "startx" I see this:

[  1787.574]
X.Org X Server 1.18.0
...
[  1787.574] Kernel command line: 
root=UUID=a6ecbc99-beca-4c22-b591-51846a193e25 ro 
xen-fbfront.video=32,1024,768 root=/dev/xvda rw (null)
...
[  1787.587] (II) FBDEV: driver for framebuffer: fbdev
[  1787.587] (II) VESA: driver for VESA chipsets: vesa
[  1787.593] (WW) Falling back to old probe method for modesetting
[  1787.593] (EE) open /dev/dri/card0: No such file or directory
[  1787.593] (WW) Falling back to old probe method for fbdev
[  1787.593] (II) Loading sub module "fbdevhw"
[  1787.593] (II) LoadModule: "fbdevhw"
[  1787.593] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[  1787.594] (II) Module fbdevhw: vendor="X.Org Foundation"
[  1787.594]    compiled for 1.18.0, module version = 0.0.2
[  1787.594]    ABI class: X.Org Video Driver, version 20.0
[  1787.594] (II) FBDEV(0): using default device
[  1787.594] (WW) Falling back to old probe method for vesa
[  1787.594] (II) FBDEV(0): Creating default Display subsection in 
Screen section
        "Default Screen Section" for depth/fbbpp 24/32
[  1787.594] (==) FBDEV(0): Depth 24, (==) framebuffer bpp 32
[  1787.594] (==) FBDEV(0): RGB weight 888
[  1787.594] (==) FBDEV(0): Default visual is TrueColor
[  1787.594] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[  1787.594] (II) FBDEV(0): hardware: xen (video memory: 32768kB)
[  1787.594] (II) FBDEV(0): checking modes against framebuffer device...
[  1787.594] (II) FBDEV(0): checking modes against monitor...
[  1787.594] (--) FBDEV(0): Virtual size is 1024x768 (pitch 1024)
[  1787.594] (**) FBDEV(0):  Built-in mode "current"
[  1787.594] (==) FBDEV(0): DPI set to (96, 96)
[  1787.594] (II) Loading sub module "fb"
[  1787.594] (II) LoadModule: "fb"
[  1787.595] (II) Loading /usr/lib/xorg/modules/libfb.so
[  1787.595] (II) Module fb: vendor="X.Org Foundation"
[  1787.595]    compiled for 1.18.0, module version = 1.0.0
[  1787.595]    ABI class: X.Org ANSI C Emulation, version 0.4
[  1787.595] (**) FBDEV(0): using shadow framebuffer
[  1787.595] (II) Loading sub module "shadow"
[  1787.595] (II) LoadModule: "shadow"
[  1787.596] (II) Loading /usr/lib/xorg/modules/libshadow.so
[  1787.596] (II) Module shadow: vendor="X.Org Foundation"
[  1787.596]    compiled for 1.18.0, module version = 1.1.0
[  1787.596]    ABI class: X.Org ANSI C Emulation, version 0.4
[  1787.596] (II) UnloadModule: "modesetting"
[  1787.596] (II) Unloading modesetting
[  1787.596] (II) UnloadModule: "vesa"
[  1787.596] (II) Unloading vesa
[  1787.596] (==) Depth 24 pixmap format is 32 bpp
[  1787.596] (II) FBDEV(0): FBIOBLANK: Invalid argument (Screen blanking 
not supported by kernel - disabling)
[  1787.597] (==) FBDEV(0): Backing store enabled
[  1787.597] (==) FBDEV(0): DPMS enabled
[  1787.597] (==) RandR enabled
[  1787.611] (II) AIGLX: Screen 0 is not DRI2 capable
[  1787.611] (EE) AIGLX: reverting to software rendering
[  1787.656] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[  1787.658] (II) AIGLX: Loaded and initialized swrast
[  1787.658] (II) GLX: Initialized DRISWRAST GL provider for screen 0
...

Folatt.



On 02-12-15 12:23, Ian Campbell wrote:
> On Tue, 2015-12-01 at 22:47 +0100, Folatt wrote:
> >   
> > vfb = ['type=vnc,vnclisten=0.0.0.0']
> I'm not sure where "type=vnc" comes from, I think you meant "vnc=1"
> (although vnc is the default anyway).
>
> >           echo    'Loading Linux core repo kernel ...'
> >           linux   /boot/vmlinuz-linux
> > root=UUID=a6ecbc99-beca-4c22-b591-51846a193e25 ro
> >           echo    'Loading initial ramdisk ...'
> >           initrd  /boot/initramfs-linux.img
> >           echo    'Setting resolution paravirtualized framebuffer ...'
> >           xen-fbfront.video=32,1024,768
> This isn't correct. You need to add this to the kernel command line, i.e.
> at the end of the line "linux      /boot/vmlinuz-..." along with
> "root=..." and "ro".
>
> Ian.

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