From owner-freebsd-amd64@freebsd.org Tue Mar 29 16:35:57 2016 Return-Path: Delivered-To: freebsd-amd64@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 596E2AE2270 for ; Tue, 29 Mar 2016 16:35:57 +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 mx1.freebsd.org (Postfix) with ESMTPS id 4A75B1207 for ; Tue, 29 Mar 2016 16:35:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u2TGZvgX080704 for ; Tue, 29 Mar 2016 16:35:57 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-amd64@FreeBSD.org Subject: [Bug 208267] if_sfxge unstable causes panic at ifconfig sfxge0 up Date: Tue, 29 Mar 2016 16:35:57 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-BETA2 X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: nonesuch@longcount.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: arybchik@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-Mailman-Approved-At: Tue, 29 Mar 2016 17:55:36 +0000 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2016 16:35:57 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D208267 --- Comment #3 from nonesuch@longcount.org --- All Updating the loader to use hw.sfxge.0.max_rss_channels=3D16 hw.sfxge.1.max_rss_channels=3D16 As well as disabling HT in the bios fixed the issue.=20 I propose the following "fix" 1. Update the man page to denote=20 hw.sfxge.N.max_rss_channels The maximum number of allocated RSS channels for the Nth adapt= er. If set to 0 or unset, the number of channels is determined by = the number of CPU cores. This does not scale beyond 32 cores. You = need=20 to manually set the hw.sfxge.N.max_rss_channels <=3D32 before loading=20 driver in a box with more then 32 cores. --=20 You are receiving this mail because: You are on the CC list for the bug.=