From owner-svn-src-stable-11@freebsd.org Tue Jun 20 16:13:13 2017 Return-Path: Delivered-To: svn-src-stable-11@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 4F7E1D9C35D; Tue, 20 Jun 2017 16:13:13 +0000 (UTC) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 25A8F64DAB; Tue, 20 Jun 2017 16:13:12 +0000 (UTC) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (localhost [127.0.0.1]) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3) with ESMTP id v5KGDBJv089742; Tue, 20 Jun 2017 09:13:11 -0700 (PDT) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: (from freebsd@localhost) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3/Submit) id v5KGDBuv089741; Tue, 20 Jun 2017 09:13:11 -0700 (PDT) (envelope-from freebsd) From: "Rodney W. Grimes" Message-Id: <201706201613.v5KGDBuv089741@pdx.rh.CN85.dnsmgr.net> Subject: Re: svn commit: r320099 - stable/11/sys/dev/vmware/vmxnet3 In-Reply-To: <201706191445.v5JEjKHE082982@repo.freebsd.org> To: Andriy Gapon Date: Tue, 20 Jun 2017 09:13:11 -0700 (PDT) CC: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Reply-To: rgrimes@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jun 2017 16:13:13 -0000 > Author: avg > Date: Mon Jun 19 14:45:20 2017 > New Revision: 320099 > URL: https://svnweb.freebsd.org/changeset/base/320099 > > Log: > MFC r318867: fix vmxnet3 crash when LRO is enabled > > The crash can occur when all of the following conditions are true: > - a packet consists of multiple segments (requires LRO enabled) > - there has been a failure to allocate an mbuf for the packet and > the packet has to be dropped > - a host (vmware) still owned at least one segment of the packet, > so the driver had to wait for another interrupt to proceed to > discarding the remaining segment(s) > > Reviewed by: rstone > Approved by: re (gjb) > Sponsored by: Panzura Does this same bug exist in 10.x? If so does it make since to merge this back to 10.x? -- Rod Grimes rgrimes@freebsd.org