[okl4-developer] ping => kernel BUG

[Geoffrey Lee]

On Wed, Aug 20, 2008 at 09:30:22AM +0200, Charles.VANWITTENBERGHE at fr.thalesgroup.com wrote:
> Hello,
> 
> While trying to ping Linux from my OKL4 (under Qemu), I encountered a kernel
> bug. And same thing when I try to ping in the other way.
> 
> The resulting message is :
> "kernel BUG at include2/asm/i386/dma-mapping.h:149!"
> 
> I found that somebody already got onto this issue, and you guys told that
> you were working on it.
> 
> Is there now any patch to fix that ? Or do you have any further information

Hi Charles


It looks like you turned on a native driver that tried to DMA.

Line 149 is dma_sync_single_for_cpu().  In this instance
the native version for dma_sync_single_for_cpu() is empty, you 
hence in this instance you should just be able to remove the BUG().

	-gl




> ?
> 
> Thanks in advance.
> 
> Charles.
> 
> ----
> 
> Charles Van Wittenberghe
> Stagiaire service SES
> THALES COMMUNICATION 
> 110 Avenue du Maréchal Leclerc
> BP 70942- 49309 CHOLET
> tel : 06.84.12.45.87
> charles.vanwittenberghe at fr.thalesgroup.com
> 
> 
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