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Re: [Xen-devel] Fatal crash on xen4.2 HVM + qemu-xen dm + NFS


--On 21 January 2013 17:32:54 +0000 Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

You would also need to malloc/free the buffer you are copying to/from. I
don't know how hard that is within qemu.

I think it's ioreq_map and ioreq_unmap within hw/xen_disk.c. I had
foolishly assumed xc would do the grant copy, but it looks like
as you say I need malloc/free (or mmap equivalents) + memcpy.

Is this a useful approach to try?

Alex Bligh

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