From owner-freebsd-bugs@freebsd.org Tue Jan 8 18:44:51 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 0F27F1486B69 for ; Tue, 8 Jan 2019 18:44:51 +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 9DA3271C14 for ; Tue, 8 Jan 2019 18:44:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 5A4851486B65; Tue, 8 Jan 2019 18:44:50 +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 37A251486B64 for ; Tue, 8 Jan 2019 18:44:50 +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 C904D71C10 for ; Tue, 8 Jan 2019 18:44:49 +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 F182464A8 for ; Tue, 8 Jan 2019 18:44:48 +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 x08IimEm087067 for ; Tue, 8 Jan 2019 18:44:48 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x08IimCl087066 for bugs@FreeBSD.org; Tue, 8 Jan 2019 18:44:48 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 234766] em(4) Intel 82579LM MSI-X problem Date: Tue, 08 Jan 2019 18:44:48 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: PopularMoment@protonmail.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: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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, 08 Jan 2019 18:44:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234766 Bug ID: 234766 Summary: em(4) Intel 82579LM MSI-X problem Product: Base System Version: 12.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: PopularMoment@protonmail.com 12.0-RELEASE-p1 on a Supermicro X9SCM-F using the on board em0 which is a 82579LM. MSI-X is enabled by default despite the driver initialisation showing a pro= blem with MSI-X: "Unable to map MSIX table" em0: port 0xf020-0xf03f mem 0xfbb00000-0xfbb1ffff,0xfbb24000-0xfbb24fff irq 20 at device 25.0 on pci0 em0: attach_pre capping queues at 1 em0: using 1024 tx descriptors and 1024 rx descriptors em0: msix_init qsets capped at 1 em0: Unable to map MSIX table=20 em0: Using an MSI interrupt em0: allocated for 1 tx_queues em0: allocated for 1 rx_queues em0: Ethernet address: xx:xx:xx:xx:xx:xx em0: netmap queues/slots: TX 1/1024, RX 1/1024 # pciconf -lv [...] em0@pci0:0:25:0: class=3D0x020000 card=3D0x150215d9 chip=3D0x1502808= 6 rev=3D0x05 hdr=3D0x00 vendor =3D 'Intel Corporation' device =3D '82579LM Gigabit Network Connection (Lewisville)' class =3D network subclass =3D ethernet This eventually leads to the interface going down, yet the box remains up a= nd responsive, with the only recourse to restoring the network being a reboot. em0: TX(0) desc avail =3D 42, pidx =3D 988 em0: link state changed to DOWN em0: TX(0) desc avail =3D 1024, pidx =3D 0 em0: TX(0) desc avail =3D 1024, pidx =3D 0 [...] em0: TX(0) desc avail =3D 1024, pidx =3D 0 The workaround appears to be to disable MSI-X: # sysctl dev.em.0.iflib.disable_msix=3D0 --=20 You are receiving this mail because: You are the assignee for the bug.=