Re: [PANIC, hyperv] BUG: unable to handle kernel paging request at ffff880077800004 (hv_ringbuffer_write)

From: Dan Carpenter
Date: Fri Aug 29 2014 - 06:24:37 EST

On Fri, Aug 29, 2014 at 10:16:32AM +0000, Dexuan Cui wrote:
> Hi Dan,
> Section 4.11.3 of Hypervisor Top Level Functional Specification(available at
> says HV_STATUS_INVALID_ALIGNMENT can also be returned for a hypercall if
> "the specified input or output parameter lists spans pages."
> My understanding is: the input's memory range shouldn't cross a page
> boundary.

Ah. That makes sense then. Thanks.

dan carpenter

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