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Re: [Xen-devel] megasas stops I/O when running kernel as dom0 under xen4.1/4.2

To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: Simon Rowe <simon.rowe@xxxxxxxxxxxxx>
Date: Mon, 15 Aug 2011 11:49:43 +0100
Cc: Andreas Olsowski <andreas.olsowski@xxxxxxxxxxx>
Delivery-date: Mon, 15 Aug 2011 03:50:24 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

I've found adding

        options megaraid_sas poll_mode_io=1

makes both of the systems we're seeing this on stable.

Have you run your system with Xen 3.4? Did you see the same behaviour?

        Simon

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