From owner-freebsd-virtualization@freebsd.org Tue Mar 15 15:49:54 2016 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3B53CACAAC2 for ; Tue, 15 Mar 2016 15:49:54 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 4EBA413AB; Tue, 15 Mar 2016 15:49:52 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA09710; Tue, 15 Mar 2016 17:49:51 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1afrEF-000ICt-B4; Tue, 15 Mar 2016 17:49:51 +0200 Subject: Re: bhyve: assertion in pci_vtblk_proc To: Peter Grehan References: <56E7C63C.7040709@FreeBSD.org> <56E81861.8060209@freebsd.org> Cc: "freebsd-virtualization@freebsd.org" From: Andriy Gapon Message-ID: <56E82E8B.90205@FreeBSD.org> Date: Tue, 15 Mar 2016 17:47:23 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <56E81861.8060209@freebsd.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2016 15:49:54 -0000 On 15/03/2016 16:12, Peter Grehan wrote: > Hi Andriy, > >> While running some fs-related workloads in a Gentoo guest bhyve crashed with the >> following assertion: >> >> Assertion failed: (n >= 2 && n <= BLOCKIF_IOV_MAX + 2), function pci_vtblk_proc, >> file /usr/src/usr.sbin/bhyve/pci_virtio_block.c > ... >> Please let me know if you would like more details. > > Would you be able to get the value of 'n' from gdb ? > This is possibly a similar issue to that seen under Windows, which I had an > attempt at fixing with r282922 (subsequently reverted). In my case n is zero, so it's likely a different issue, I guess. -- Andriy Gapon