Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753943Ab3GJBqH (ORCPT ); Tue, 9 Jul 2013 21:46:07 -0400 Received: from mail-lb0-f173.google.com ([209.85.217.173]:53467 "EHLO mail-lb0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753383Ab3GJBqG (ORCPT ); Tue, 9 Jul 2013 21:46:06 -0400 MIME-Version: 1.0 Date: Wed, 10 Jul 2013 11:46:03 +1000 Message-ID: Subject: virtio indirect with lots of descriptors From: Dave Airlie To: Rusty Russell , LKML , qemu-devel@nongnu.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 745 Lines: 20 Hi Rusty, playing with my virtio gpu, I started hitting the qemu error_report("Too many read descriptors in indirect table"); Now I'm not sure but this doesn't seem to be a virtio limit that the guest catches from what I can see, since my host dies quite quickly, when I'm doing transfers in/out of a 5MB object with an sg entry per page. Just wondering if you can confirm if this is only a qemu limitation or if I should just work around it at a bit of a higher level in my driver/device? Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/