From owner-freebsd-xen@freebsd.org Mon Apr 26 18:41:24 2021 Return-Path: Delivered-To: freebsd-xen@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D275D5EBFD5 for ; Mon, 26 Apr 2021 18:41:24 +0000 (UTC) (envelope-from buhrow@nfbcal.org) Received: from nfbcal.org (ns.NFBCAL.ORG [157.22.230.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "nfbcal.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FTYdH6jndz4Rqm for ; Mon, 26 Apr 2021 18:41:23 +0000 (UTC) (envelope-from buhrow@nfbcal.org) Received: from nfbcal.org (localhost [127.0.0.1]) by nfbcal.org (8.15.2/8.14.1-NFBNETBSD) with ESMTPS id 13QIfExZ024574 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 26 Apr 2021 11:41:14 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at lothlorien.nfbcal.org Received: (from buhrow@localhost) by nfbcal.org (8.15.2/8.12.11) id 13QIfDMd005472; Mon, 26 Apr 2021 11:41:13 -0700 (PDT) Message-Id: <202104261841.13QIfDMd005472@nfbcal.org> From: Brian Buhrow Date: Mon, 26 Apr 2021 11:41:13 -0700 X-Mailer: Mail User's Shell (7.2.6 beta(4.pl1)+dynamic 20000103) To: freebsd-xen@freebsd.org Subject: Strange error messages from xnb on dom0. What do they mean? X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (nfbcal.org [127.0.0.1]); Mon, 26 Apr 2021 11:41:14 -0700 (PDT) X-Rspamd-Queue-Id: 4FTYdH6jndz4Rqm X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of buhrow@nfbcal.org designates 157.22.230.125 as permitted sender) smtp.mailfrom=buhrow@nfbcal.org X-Spamd-Result: default: False [-1.99 / 15.00]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-xen]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[157.22.230.125:from]; R_SPF_ALLOW(-0.20)[+a:ns.nfbcal.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[via.net]; SPAMHAUS_ZRD(0.00)[157.22.230.125:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.99)[-0.988]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FORGED_SENDER(0.30)[buhrow@via.net,buhrow@nfbcal.org]; SUBJECT_ENDS_QUESTION(1.00)[]; R_DKIM_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; MIME_TRACE(0.00)[0:+]; FROM_NEQ_ENVFROM(0.00)[buhrow@via.net,buhrow@nfbcal.org]; ASN(0.00)[asn:7091, ipnet:157.22.0.0/16, country:US] X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Apr 2021 18:41:24 -0000 hello. Occasionally I see messages like the following from my FreeBSD-12.2/dom0 machine. Is this related to the issue of the NetBSD domu's seeing bursts of oversized packets, which I assume is caused by packets getting sent from the dom0 to the domu in batches rather than one at a time, each with an interrupt signal, or, the xen equivalent? On the domu's I see: xennet0: discarding oversize frame (len=1518) I see the following messages on the dom0, but not necessarily at the same time as the above messages appear in the domu's. Any ideas? -thanks -Brian Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_ring2pkt:1532): Unknown extra info type 255. Discarding packet Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:302): netif_tx_request index =0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:303): netif_tx_request.gref =0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:304): netif_tx_request.offset=0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:305): netif_tx_request.flags =8 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:306): netif_tx_request.id =69 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:307): netif_tx_request.size =1000 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:302): netif_tx_request index =1 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:303): netif_tx_request.gref =255 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:304): netif_tx_request.offset=0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:305): netif_tx_request.flags =0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:306): netif_tx_request.id =0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_dump_txreq:307): netif_tx_request.size =0 Apr 25 14:56:35 xen-lothlorien kernel: xnb(xnb_rxpkt2rsp:2066): Got error -1 for hypervisor gnttab_copy status