From owner-freebsd-stable@freebsd.org Wed Aug 7 04:16:05 2019 Return-Path: Delivered-To: freebsd-stable@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 489E5BD622 for ; Wed, 7 Aug 2019 04:16:05 +0000 (UTC) (envelope-from gcr+freebsd-stable@tharned.org) Received: from roadkill.tharned.org (tunnel294749-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:107f::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "tharned.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 463J8g6WDHz4BrF for ; Wed, 7 Aug 2019 04:16:03 +0000 (UTC) (envelope-from gcr+freebsd-stable@tharned.org) Received: from flake.tharned.org ([IPv6:2001:470:1f11:107f:6e:6ea1:3618:4705]) (authenticated bits=0) by roadkill.tharned.org (8.15.2/8.15.2) with ESMTPSA id x774Fsfh003188 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO) for ; Tue, 6 Aug 2019 23:15:54 -0500 (CDT) (envelope-from gcr+freebsd-stable@tharned.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tharned.org; s=2017; t=1565151354; bh=lzeQ/Kwpbhr794GpOboCTt7fTL3Wu6l/uL6VfMtC1Ik=; h=From:To:Subject:Date; b=l5W0UAX2kO1+AGEBEIVFPVS7YBMiDx+s+Kr7LfDAA6oVt4up1oCJOV1SlaH4ljOA+ BFKT3Q8MQK58N3JURhAuDzO0pFvcrRBvDFZr6YPEhuygJFWjj4bwNevgHl5ClL9N4q VdiiMRCb7UEYL8xtyJYdsFrM74u3+t7Tl2Td1K/ttmgXTSifrLjM54TPZDtj/igzP0 4tH55zrEzE7I2f8JmCGRSQZYC0wg+NMOdI1D+QeE7cGi4TjpFKkBhMB1I/I/9k03i0 dd9gV1l1y5I8L7g4ZfK6BTmtydlezaIfNzTWVAqTyN48L/sd+GXVChbMCPUzqCdE7r MkDiLII4Dx6Ew== X-Authentication-Warning: roadkill.tharned.org: Host [IPv6:2001:470:1f11:107f:6e:6ea1:3618:4705] claimed to be flake.tharned.org From: Greg Rivers To: freebsd-stable@freebsd.org Subject: Regression in IXGBE(4) on 12.0-RELEASE? Date: Tue, 06 Aug 2019 23:15:54 -0500 Message-ID: <15504838.vxEf1mJfsr@no.place.like.home> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (roadkill.tharned.org [IPv6:2001:470:1f10:107f:0:0:0:2]); Tue, 06 Aug 2019 23:15:54 -0500 (CDT) X-Rspamd-Queue-Id: 463J8g6WDHz4BrF X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=tharned.org header.s=2017 header.b=l5W0UAX2; dmarc=none; spf=none (mx1.freebsd.org: domain of gcr@tharned.org has no SPF policy when checking 2001:470:1f10:107f::2) smtp.mailfrom=gcr@tharned.org X-Spamd-Result: default: False [-5.28 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_XAW(0.00)[]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[tharned.org:+]; NEURAL_HAM_SHORT(-0.99)[-0.987,0]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(-1.49)[ipnet: 2001:470::/32(-4.49), asn: 6939(-2.92), country: US(-0.05)]; SUBJECT_ENDS_QUESTION(1.00)[]; CTE_CASE(0.50)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; TAGGED_FROM(0.00)[freebsd-stable]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[tharned.org:s=2017]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_MED(-2.00)[tharned.org.dwl.dnswl.org : 127.0.6.2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; DMARC_NA(0.00)[tharned.org]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; R_SPF_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Aug 2019 04:16:05 -0000 These Intel NICs have been performing very well for me: ix0@pci0:7:0:0: class=0x020000 card=0x17d3103c chip=0x10fb8086 rev=0x01 hdr=0x00 vendor = 'Intel Corporation' device = '82599ES 10-Gigabit SFI/SFP+ Network Connection' class = network subclass = ethernet On 11.2-RELEASE, the cards probe like this: ix0: port 0x7000-0x701f mem 0xf7f00000-0xf7ffffff,0xf7ef0000-0xf7ef3fff irq 28 at device 0.0 numa-domain 0 on pci1 ix0: Using MSI-X interrupts with 9 vectors ix0: Ethernet address: 8c:dc:d4:af:8a:e0 ix0: PCI Express Bus: Speed 5.0GT/s Width x8 ix0: netmap queues/slots: TX 8/2048, RX 8/2048 As expected, all 8 queues are enabled on the NIC, with 8 corresponding interrupt threads pinned to 8 different CPUs But on 12.0-RELEASE, the cards probe like this: ix0: port 0x4020-0x403f mem 0xe2900000-0xe29fffff,0xe2a04000-0xe2a07fff at device 0.0 numa-domain 0 on pci4 ix0: using 2048 tx descriptors and 2048 rx descriptors ix0: msix_init qsets capped at 16 ix0: Unable to map MSIX table ix0: Using an MSI interrupt ix0: allocated for 1 queues ix0: allocated for 1 rx queues ix0: Ethernet address: 48:df:37:62:be:38 ix0: PCI Express Bus: Speed 5.0GT/s Width x8 ix0: netmap queues/slots: TX 1/2048, RX 1/2048 ix0: link state changed to UP MSI-X is disabled, and only one queue is enabled. I'm sure this is going to perform poorly under high network loads. Does anyone know why this is? -- Greg Rivers