From owner-freebsd-bugs@freebsd.org Thu Mar 21 12:50:42 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 EE7DD153F373 for ; Thu, 21 Mar 2019 12:50:41 +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 83BA289F77 for ; Thu, 21 Mar 2019 12:50:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 416C9153F372; Thu, 21 Mar 2019 12:50:41 +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 2D164153F370 for ; Thu, 21 Mar 2019 12:50:41 +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 B662589F70 for ; Thu, 21 Mar 2019 12:50:40 +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 EBBD25561 for ; Thu, 21 Mar 2019 12:50:39 +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 x2LCod8f057658 for ; Thu, 21 Mar 2019 12:50:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x2LCodTi057654 for bugs@FreeBSD.org; Thu, 21 Mar 2019 12:50:39 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 236659] kernel page fault panic when chelsio cxgbei iscsi offload engine is enabled in ctld Date: Thu, 21 Mar 2019 12:50:39 +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-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: freebsd-bugs@virtualtec.ch 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: Thu, 21 Mar 2019 12:50:42 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236659 --- Comment #2 from Markus Wild --- Since the panic happens in rt_tables_get_rnh_ptr (table=3D0, fam=3D2) at /usr/src/sys/net/route.c:193, which uses a VIMAGE wrapper macro, I compiled= a custom kernel using: include GENERIC nooptions VIMAGE and I'm since stress testing the server, not a single panic. I got one=20 complete stall of iscsi communication though logged with messages like: [...] Mar 21 11:38:14 zrhcz-nas5 kernel: WARNING: 10.140.4.15 (iqn.1998-01.com.vmware:5c80f357-6a29-a734-fef3-001b21d8e459-24252974): rece ived PDU with CmdSN 1750169998, while expected 4482310 Mar 21 11:38:14 zrhcz-nas5 kernel: WARNING: 10.140.4.15 (iqn.1998-01.com.vmware:5c80f357-6a29-a734-fef3-001b21d8e459-24252974): rece ived Data-Out PDU with DataSN 4, while expected 2; dropping connection [...] and vsphere losing the datastore, but after setting dev.t5nex.0.toe.ddp=3D0 this incident hasn't returned so far.=20 My conclusion: the chelsio driver isn't quite VIMAGE clean yet. --=20 You are receiving this mail because: You are the assignee for the bug.=