Subject: RE: memory disk, evbarm - lubbock
To: 'Steve Woodford' <scw@wasabisystems.com>
From: Stewart Heitmann <S.Heitmann@lake.com>
List: tech-kern
Date: 04/28/2003 11:22:07
Steve, thanks for that.
So now I can stop beating my head against my monitor at least.
I'll keep an eye out for your changes in CVS.

Stewart Heitmann
		


> -----Original Message-----
> From: Steve Woodford [mailto:scw@wasabisystems.com]
> Sent: Thursday, April 17, 2003 5:48 PM
> To: Stewart Heitmann
> Cc: 'tech-kern@netbsd.org'
> Subject: RE: memory disk, evbarm - lubbock 
> 
> 
> On Wed, 16 Apr 2003, Stewart Heitmann wrote:
> 
> > By upping KERNEL_PT_KERNEL_NUM to 8 I have managed to boot
> > a kernel with enough space for a 8192K memory disk, which
> > was better than before. But if I try for a bigger memory
> > disk then /sbin/init exits with signal 11,
> > although the kernel seems quite happy.
> > Further increasing KERNEL_PT_KERNEL_NUM doesnt help.
> 
> That's because you're spilling over into the managed KVM region at
> KERNEL_VM_BASE (0xc1000000). Really, with the current pmap 
> there is very
> little you can do to fix this.
> 
> If you read current-users@ or port-arm@, you will see that I plan to
> commit changes soon which will completely fix this limitation of the
> current arm32 pmap. (It will require some work in your 
> initarm() function,
> however).
> 
> Cheers, Steve
> 
> -- 
> 
> Wasabi Systems Inc. - The NetBSD Company - 
http://www.wasabisystems.com/