[PATCH] kdump: Fix for machine checkstop on DMA fault

Olof Johansson olof at lixom.net
Thu Mar 23 16:38:54 EST 2006


On Wed, Mar 22, 2006 at 08:30:26PM -0800, Haren Myneni wrote:
> Paul, If you are OK with this fix, please send it upstream.
> 
> Thanks
> Haren
> 
> - Some machines checkstop on dma protection fault for ongoing DMA left 
> in the first kernel. Since, we do not shutdown devices before the kdump 
> boot, let them continue DMA to old kernel space.

How is this solved for regular kexec, doesn't the same problem exist
there?


-Olof



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