From owner-freebsd-bugs@freebsd.org Tue Apr 9 19:08:05 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D9EE71569E58 for ; Tue, 9 Apr 2019 19:08:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 6828E74A05 for ; Tue, 9 Apr 2019 19:08:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 28EEF1569E54; Tue, 9 Apr 2019 19:08:04 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 068671569E52 for ; Tue, 9 Apr 2019 19:08:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (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 "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9927A74A02 for ; Tue, 9 Apr 2019 19:08:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id D65B321B0B for ; Tue, 9 Apr 2019 19:08:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x39J82mI026767 for ; Tue, 9 Apr 2019 19:08:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x39J82qx026764 for bugs@FreeBSD.org; Tue, 9 Apr 2019 19:08:02 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 237166] vmx(4) override_ntxds/nrxds tunable has no effect Date: Tue, 09 Apr 2019 19:08:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ncrogers@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Apr 2019 19:08:05 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237166 --- Comment #1 from ncrogers@gmail.com --- Here's what happens when trying to explicitly indicate number of descriptors for each queue... In general whatever is set in loader.conf for override_nrxds/txds, the resulting sysctl output has an additional ",0" appended to it for vmx1, but not vmx0. test# grep vmx /boot/loader.conf dev.vmx.0.iflib.override_ntxds=3D4096,4096 dev.vmx.0.iflib.override_nrxds=3D2048,2048 dev.vmx.1.iflib.override_ntxds=3D4096 dev.vmx.1.iflib.override_nrxds=3D2048 dev.vmx.0.iflib.override_ntxqs=3D2 dev.vmx.0.iflib.override_nrxqs=3D2 dev.vmx.1.iflib.override_ntxqs=3D2 dev.vmx.1.iflib.override_nrxqs=3D2 test# sysctl -a | grep override dev.vmx.1.iflib.override_nrxds: 2048,0,0 dev.vmx.1.iflib.override_ntxds: 4096,0 dev.vmx.1.iflib.override_qs_enable: 0 dev.vmx.1.iflib.override_nrxqs: 2 dev.vmx.1.iflib.override_ntxqs: 2 dev.vmx.0.iflib.override_nrxds: 0,0,0 dev.vmx.0.iflib.override_ntxds: 0,0 dev.vmx.0.iflib.override_qs_enable: 0 dev.vmx.0.iflib.override_nrxqs: 2 dev.vmx.0.iflib.override_ntxqs: 2 test# grep vmx /var/run/dmesg.boot=20 vmx0: port 0x4000-0x400f mem 0xfea03000-0xfea03fff,0xfea02000-0xfea02fff,0xfea00000-0xfea01fff at device= 0.0 on pci3 vmx0: Using 512 tx descriptors and 256 rx descriptors vmx0: Using 2 rx queues 2 tx queues vmx0: Using MSI-X interrupts with 3 vectors vmx0: Ethernet address: 00:0c:29:2b:73:76 vmx0: netmap queues/slots: TX 2/512, RX 2/512 vmx1: port 0x3000-0x300f mem 0xfe203000-0xfe203fff,0xfe202000-0xfe202fff,0xfe200000-0xfe201fff at device= 0.0 on pci4 vmx1: Using 512 tx descriptors and 256 rx descriptors vmx1: Using 2 rx queues 2 tx queues vmx1: Using MSI-X interrupts with 3 vectors vmx1: Ethernet address: 00:0c:29:2b:73:80 vmx1: netmap queues/slots: TX 2/512, RX 2/512 vmx0: link state changed to UP vmx1: link state changed to UP test# --=20 You are receiving this mail because: You are the assignee for the bug.=