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Re: [Qemu-devel] SPARC iommu mapping

From: Joerg Platte
Subject: Re: [Qemu-devel] SPARC iommu mapping
Date: Wed, 5 Apr 2006 22:03:50 +0200
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Am Mittwoch, 5. April 2006 19:36 schrieb Blue Swirl:

> The DMA controllers for both ESP and Lance are within the same page. This
> means that in Qemu, DMA controller register accesses for either of them go
> to just one of these. It just happens to work, but maybe this causes the
> problem. You could try to confirm this by enabling also DEBUG_LANCE and see
> if there is troublesome activity in the Lance direction near the bad
> accesses.

Lance is only used during system startup. Then there is no more debugging 
output. Looks like ethernet is not causing any problems. 

Can you reproduce my problems, or is it caused by the kernel? But the same 
kernel works without problems on a SS4...


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