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Re: [MiNT] 1.17 startup & shutdown issues

on 10/1/10 2:32 AM, Jo Even Skarstein wrote:

> From: "WongCK" <wongck68@yahoo.com>
> Sent: Friday, October 01, 2010 3:00 AM
> To: <mint@lists.fishpool.fi>
> Subject: Re: [MiNT] 1.17 startup & shutdown issues
>>>     /*
>>>     * Ozk: We switch off instruction, data and branch caches (where
>>> available)
>>>     *  while the VDI accesses the hardware. This fixes 'black-screen'
>>>     *  problems on Hades with Nova VDI.
>>>     */
>>> So I think I'll commit the version without cache-saving (open and close
>>> wk) to my branch. Would be nice if everybody would test it to see if
>>> shutdown works, esp. the above mentioned systems.
> And to see whether this causes any problems on the Hades. There was a good
> reason for switching off the caches in the first place.

Indeed.  I recently fixed the Nova Mach64 PCI driver the same way based on
info from Ozk.  Toggling the caches on/off while the workstation is opened.
Otherwise, if the Hades tried to boot at full speed with the caches on, one
got the black screen of death.

Lonny Pursell    http://www.bright.net/~gfabasic/