From: Hicks, Jamey (Jamey.Hicks@hp.com)
Date: Tue Oct 29 2002 - 14:17:35 EST
One things that has changed that could cause a problem based on the amount of time that went by: the bootldr is resetting RTTR to 0x8000 for non-windows operating systems to avoid huge time drift.
Jamey
> -----Original Message-----
> From: Axel Belinfante [mailto:Axel.Belinfante@cs.utwente.nl]
> Sent: Tuesday, October 29, 2002 2:02 PM
> To: Hicks, Jamey; bootldr@handhelds.org
> Subject: Re: [Bootldr] suspend/resume Plan 9: 2.14.? works,
> 2.18.{1,45}
> fails
>
>
> > To me, it sounds like plan9 is not putting the sdram into
> self-refresh.
> > The bootldr is not involved in the suspend operation at all. All it
> > does is wake up, notice that it was a resume, turn on dram, and then
> > jump to the addess in the PSPR scratch pad register, transferring
> > control back to the OS.
>
> I think I see your point.
> Still, how would this explain that suspend/resume with the same plan 9
> kernel does work on one ipaq, and not on the other, where, seemingly,
> the only difference is the bootldr version?
> Hardware seems the same. What could we be overlooking?
>
> Thanks,
> Axel.
>
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