booting qemu sparc gives black window

[David Griffith <dave@661.org>]

I've been trying to boot an old debian ISO under qemu sparc, but all I can 
get is a black screen unless I use the -nographic option.  I start with 
this:

qemu-img create -f qed sparcdisk.img 2G

Then this:

qemu-system-sparc -bios ss5.bin -vga cg3 -g 1152x900 -hda sparcdisk.img 
-cdrom debian-40r9-sparc-netinst.iso

My host system is Debian 8.

--
David Griffith
dave@661.org

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