From owner-freebsd-doc@freebsd.org Sat Aug 26 10:44:51 2017 Return-Path: Delivered-To: freebsd-doc@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 E2388DF3723 for ; Sat, 26 Aug 2017 10:44:51 +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 CF69666FDB for ; Sat, 26 Aug 2017 10:44:51 +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 v7QAip7x020188 for ; Sat, 26 Aug 2017 10:44:51 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-doc@FreeBSD.org Subject: [Bug 91149] fix man page: read(2) and write(2) can return EINVAL for unaligned access to block devices Date: Sat, 26 Aug 2017 10:44:52 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Documentation X-Bugzilla-Component: Documentation X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: mandree@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: freebsd-doc@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: short_desc cc 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-doc@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 26 Aug 2017 10:44:52 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D91149 Matthias Andree changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|read(2) can return EINVAL |fix man page: read(2) and |for unaligned access to |write(2) can return EINVAL |block devices |for unaligned access to | |block devices CC| |mandree@FreeBSD.org --- Comment #1 from Matthias Andree --- This should also be added to write(2); I have recently received a truss rep= ort from FreeBSD 12 running e2fsck that showed this fragment: lseek(4,0x430,SEEK_SET) =3D 1072 (0x430) write(4,"\^F0\M-!Y\0\0",6) ERR#22 'Invalid argument' where fd 4 is /dev/da0s1, an external 2015 Western Digital My Passport Ultra USB hard disk of 1 TB with this diskinfo (identifying information removed): # diskinfo -v /dev/da0 /dev/da0 512 # sectorsize 1000170586112 # mediasize in bytes (931G) 1953458176 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 121597 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. WD My Passport 0830 # Disk descr. [REMOVED] # Disk ident. Not_Zoned # Zone Mode --=20 You are receiving this mail because: You are the assignee for the bug.=