Re: [Xen-devel] Fix PVFB backend to validate frontend's frame bu

To:	Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] Fix PVFB backend to validate frontend's frame buffer description
From:	Markus Armbruster <armbru@xxxxxxxxxx>
Date:	Mon, 19 May 2008 14:45:54 +0200
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In-reply-to:	<48316C72.50106@xxxxxxxxxxxxx> (Yosuke Iwamatsu's message of "Mon\, 19 May 2008 21\:02\:58 +0900")
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Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx> writes:

> Hi,
>
> Sorry for late reply.
> I found that with this patch applied, qemu-dm got stuck while creating
> a domain that had vfb but no 'videoram' parameter in its configuration.
> It seems when no 'videoram' is specified, videoram is set to 0 and
> xenfb_configure_fb() fails. It results in qemu-dm abort.
> Is this an expected behavior? I think we should allow guest domains to
> use at least a few MBs of videoram by default.
>
> Thanks,
> --Yosuke

No, this is not expected.  Thanks for testing.  I'll post a patch.

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Re: [Xen-devel] Fix PVFB backend to validate frontend's frame buffer des