From owner-freebsd-current@freebsd.org Tue Oct 23 11:54:36 2018 Return-Path: Delivered-To: freebsd-current@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 25E381076C4A; Tue, 23 Oct 2018 11:54:36 +0000 (UTC) (envelope-from tsoome@me.com) Received: from pv33p00im-asmtp001.me.com (pv33p00im-asmtp001.me.com [17.142.194.250]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B4BE277CA8; Tue, 23 Oct 2018 11:54:35 +0000 (UTC) (envelope-from tsoome@me.com) Received: from process-dkim-sign-daemon.pv33p00im-asmtp001.me.com by pv33p00im-asmtp001.me.com (Oracle Communications Messaging Server 8.0.2.2.20180531 64bit (built May 31 2018)) id <0PH100N00VH87W00@pv33p00im-asmtp001.me.com>; Tue, 23 Oct 2018 11:54:21 +0000 (GMT) Received: from icloud.com ([127.0.0.1]) by pv33p00im-asmtp001.me.com (Oracle Communications Messaging Server 8.0.2.2.20180531 64bit (built May 31 2018)) with ESMTPSA id <0PH1006SKVQCF130@pv33p00im-asmtp001.me.com>; Tue, 23 Oct 2018 11:54:18 +0000 (GMT) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=865 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810230103 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-10-23_03:,, signatures=0 Content-type: text/plain; charset=utf-8 MIME-version: 1.0 (Mac OS X Mail 12.0 \(3445.100.39\)) Subject: Re: loader lsdev crashes loader (Was: head -r338804 boots threadripper 1950X fine; head -r338810+ do not; -r338807 seems implicated) From: Toomas Soome In-reply-to: <18e270f6-c811-3f5e-bf65-76c895782c8f@FreeBSD.org> Date: Tue, 23 Oct 2018 14:54:11 +0300 Cc: Mark Millard , Konstantin Belousov , FreeBSD Current , FreeBSD-STABLE Mailing List , Warner Losh Content-transfer-encoding: quoted-printable Message-id: <7B44DEC3-9E79-46E0-BC02-E6C95680BF77@me.com> References: <79973E2B-F5C4-4E7C-B92B-1C8D4441C7D1@yahoo.com> <3CA4C94F-A062-44FE-B507-948A6F88C83D@me.com> <18e270f6-c811-3f5e-bf65-76c895782c8f@FreeBSD.org> To: lev@FreeBSD.org X-Mailer: Apple Mail (2.3445.100.39) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Oct 2018 11:54:36 -0000 > On 23 Oct 2018, at 13:53, Lev Serebryakov wrote: >=20 > On 22.10.2018 12:27, Toomas Soome wrote: >=20 >> It would help to get output from loader lsdev -v command. > current loader crashes on "lsdev" for me: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D232483 (it is not > threadripper-related, my hardware is Intel Atom). >=20 > --=20 > // Lev Serebryakov >=20 That error means something is corrupting the memory, it is hard to guess = what exactly and debugging it is nasty - it means we would need to track = down what was allocated before this memory block (guard1 is marker = inserted in front of the allocated memory block).=20 Fortunately the code to print the partition table is in = stand/common/disk.c and the partition code is just next to it and so it = should be relatively easy to find the guilty one=E2=80=A6 I will try to = see if I can replicate the issue. rgds, toomas=