Re: qemu-system-sparc64 not booting install of debian sparc64

[Adrian Davey <adrian@beth2.org>]

On 2020-06-30 15:30, Connor McLaughlan wrote:
> On Tue, Jun 30, 2020 at 4:10 PM John Paul Adrian Glaubitz
> <glaubitz@physik.fu-berlin.de> wrote:
>
> > You can specify both kernel and initrd on the command line using 
> > "-kernel"
> > and "-initrd" respectively. You just need to extract them from the 
> > virtual
> > machine disk image.
> >
> > Adria
>
> Hi Adrian,
>
> i am almost up and running, i provided -initrd, -kernel and  -append 
> root.
>
> Booting up looks good. Also systemd is coming up.
>
> Now it crashes after some VGA init:
>
> [ 84.672537] [drm] Found bochs VGA, ID 0xb0c5.
> [ 84.673255][drm] Framebuffer size 16384 kB @ 0x1ff22000000, mmio @
> 0x1ff23000000.
> [ 84.711815] [TTM] Zone kernel: Available graphics memory: 2067220 KiB
> [ 84.712821] [TTM] Initializing pool allocator
> qemu: fatal: Trap 0x0032 while trap level (5) >= MAXTL (5), Error state
> pc: 0000000000405618 npc: 000000000040561c
> ...
> pstate: 00000015 ccr: 00 (icc: ---- xcc: ----) asi: 11 tl: 5 pil: 0
> gl: 2 tbr: 0000000000420000 hpstate: 0000000000000000 htba:
> 0000000000000000 cansave: 5 canrestore: 1 otherwin: 0 wstate: 8
> cleanwin: 7 cwp: 7 fsr: 0000000000000000 y: 0000000000000000 fprs:
> 0000000000000000 Aborted
>
> I guess i will have to try some framebuffer kernel settings and stuff.
>
> Regards,
> Connor


Hi Connor,

Taken from https://wiki.debian.org/Sparc64Qemu

Create/edit /etc/modprobe.d/drm-blacklist.conf

# blacklist of DRM modules that do not load on qemu-system-sparc64 sun4u
blacklist drm
blacklist bochs-drm
blacklist ttm


May help you here.

Cheers,

Adrian