From owner-svn-src-all@FreeBSD.ORG Thu Feb 19 19:53:04 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2A4443EA; Thu, 19 Feb 2015 19:53:04 +0000 (UTC) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id A3042970; Thu, 19 Feb 2015 19:53:02 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.9/8.14.9) with ESMTP id t1JJqxjs081413 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 19 Feb 2015 22:52:59 +0300 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.9/8.14.9/Submit) id t1JJqxCF081412; Thu, 19 Feb 2015 22:52:59 +0300 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Thu, 19 Feb 2015 22:52:59 +0300 From: Gleb Smirnoff To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Subject: Re: svn commit: r278977 - in head/sys: dev/cxgb dev/cxgb/sys dev/cxgb/ulp/tom dev/xen/netfront sys Message-ID: <20150219195259.GJ15484@FreeBSD.org> References: <201502190119.t1J1JhSI025601@svn.freebsd.org> <54E62FB6.6050800@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <54E62FB6.6050800@FreeBSD.org> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Feb 2015 19:53:04 -0000 On Thu, Feb 19, 2015 at 07:47:18PM +0100, Roger Pau Monné wrote: R> El 19/02/15 a les 2.19, Gleb Smirnoff ha escrit: R> > Author: glebius R> > Date: Thu Feb 19 01:19:42 2015 R> > New Revision: 278977 R> > URL: https://svnweb.freebsd.org/changeset/base/278977 R> > R> > Log: R> > Provide a set of inline functions to manage simple mbuf(9) queues, based R> > on queue(3)'s STAILQ. Utilize them in cxgb(4) and Xen, deleting home R> > grown implementations. R> > R> > Sponsored by: Netflix R> > Sponsored by: Nginx, Inc. R> R> Have you tested this commit on Xen? I'm getting the following: R> R> xn0: at device/vif/0 on xenbusb_front0 R> xn0: Ethernet address: 00:16:3e:51:85:e3 R> xenbusb_back0: on xenstore0 R> xbd0: Back-end specified ring-pages of 15 is not a power of 2. Limited to 8. R> xn0: backend features: feature-sg feature-gso-tcp4 R> panic: no mbufs processed R> cpuid = 0 R> KDB: stack backtrace: R> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe007adc3920 R> vpanic() at vpanic+0x189/frame 0xfffffe007adc39a0 R> kassert_panic() at kassert_panic+0x132/frame 0xfffffe007adc3a10 R> network_alloc_rx_buffers() at network_alloc_rx_buffers+0x439/frame 0xfffffe007adc3ac0 R> network_connect() at network_connect+0xac1/frame 0xfffffe007adc3b50 R> netfront_backend_changed() at netfront_backend_changed+0xed/frame 0xfffffe007adc3b90 R> xenwatch_thread() at xenwatch_thread+0x1a2/frame 0xfffffe007adc3bb0 R> fork_exit() at fork_exit+0x84/frame 0xfffffe007adc3bf0 R> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe007adc3bf0 R> --- trap 0, rip = 0, rsp = 0xfffffe007adc3cb0, rbp = 0 --- R> KDB: enter: panic R> [ thread pid 15 tid 100038 ] R> Stopped at kdb_enter+0x3e: movq $0,kdb_why Have you got the core? If yes, please do in the network_alloc_rx_buffers() frame: p sc->xn_rx_batch -- Totus tuus, Glebius.