[OpenBIOS] Regression in booting HelenOS/sparc64

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Fri Apr 13 18:48:13 CEST 2012

On 12/04/12 18:54, Artyom Tarasenko wrote:

> As of today qemu git/master and OpenBIOS/trunk can't boot
> HelenOS-0.4.3-sparc64-ultra.iso .
> $ sparc64-softmmu/qemu-system-sparc64 -m 512 -boot d -cdrom
> /mnt/terra/projects/sparc-images/HelenOS-0.4.3-sparc64-ultra.iso -bios
> openbios-sparc64-trunk
> Unassigned mem access to 000001ff00700000 from 000000000041c00c
> ^^^Booting stops here
> It looks like the regression is coming form the OpenBIOS, because
> older qemu versions can boot HelenOS with older OpenBIOS, but not with
> trunk. Can't check other way around because current qemu doesn't start
> with older OpenBIOS at all.

Hmmm it's going to take a while to bisect something like this :/  Do you 
at least have a last known good combination (QEMU git commit/OpenBIOS 
SVN revision) to start working from?



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