From owner-freebsd-bugs@freebsd.org Mon Aug 31 11:11:04 2015 Return-Path: Delivered-To: freebsd-bugs@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 16B139C6F3B for ; Mon, 31 Aug 2015 11:11:04 +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 03104A74 for ; Mon, 31 Aug 2015 11:11:04 +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 t7VBB3d7076350 for ; Mon, 31 Aug 2015 11:11:03 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 202680] Silent data corruption on em(4) interfaces Date: Mon, 31 Aug 2015 11:11:04 +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: 10.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: KOT@MATPOCKuH.Ru X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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: 2.1.20 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Aug 2015 11:11:04 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202680 --- Comment #1 from Dmitry Afanasiev --- Created attachment 160557 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=160557&action=edit Corrupted data in transferred file I created a 16Gb file "hugefile" contains 16777216 lines with 1023 spaces and one '\n' (16777216 * (1023 + 1) = 17179869184 = 16Gb) and transferred this file via FTP. On destination machine I checked resulting file by this command: $ grep '[^ ]' hugefile > wrong Result (wrong data in hugefile) is this attachment. As far as I know, errors are checked on: - ethernet level - IP level - TCP level. , but I got corrupted data from TCP level. -- You are receiving this mail because: You are the assignee for the bug.