[armedslack] RiscPC booting installation but without VGA

[Stuart Winter]

> > where as normally it'd start X running on the RiscPC's display.
> > This problem is a that there's no VGA at all.
>
> Does dmesg have anything exciting to say?

These seem the most related

Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 32768
  DMA zone: 384 pages used for memmap
  DMA zone: 0 pages reserved
  DMA zone: 32384 pages, LIFO batch:7
  Normal zone: 0 pages used for memmap
  Movable zone: 0 pages used for memmap
Built 1 zonelists in Zone order.  Total pages: 32384
Kernel command line: root=/dev/hdd2 ro
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour dummy device 80x30
console [tty0] enabled
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
...
coherent allocation too big (requested 0x200000 mask 0xffffffff)
acornfb: unable to allocate screen memory
acornfb: probe of acornfb failed with error -12
Non-volatile memory driver v1.2