From owner-freebsd-current@freebsd.org Sun Feb 18 21:50:19 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 A87C3F079CD for ; Sun, 18 Feb 2018 21:50:19 +0000 (UTC) (envelope-from marklmi26-fbsd@yahoo.com) Received: from sonic304-23.consmr.mail.gq1.yahoo.com (sonic304-23.consmr.mail.gq1.yahoo.com [98.137.68.204]) (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 E4E6B6D7CD for ; Sun, 18 Feb 2018 21:50:18 +0000 (UTC) (envelope-from marklmi26-fbsd@yahoo.com) X-YMail-OSG: g5wpv9YVM1nU3Vz3DKsJEL6Q2sWuv8hXQpTKHWGLF35CrM5wSlsndSxpmi1XN1g 7tzTr9FWILKNJEDqtYhEr6DubmNk69bx21YEHbxEd8T1sz346uUAmlVGZljHOYVOKgIiatr2paZU dYc4duWszmVpzxjGL__2JcqT0ojVWFo8hnyaoyCNJcz4j6VYLdi8RUAkJD7JtJ2sWaq_Ox8M8aVZ QJvzkv_nk9cBZ_Brzr3Y8yqVrqAxM_3nS72bq09jMsfZAVAIIxxMwUHqn75zflALFzsmNS6pEQFl tiPE.p_Lzg2GWSGfUU41MzuANC2ChayS0N7PBZPWqNGhA6XmuPFGRsOVy0JCM1r_638vmXTfEkK_ mRnkf6KdW.wTM54NXOgCqY3t_ukpIEcjjB9FKHaPDrP79dgi4AwVO6gqnsAtprNcKvmsa6nKKao2 ZJMN5QVrQTI.GsaYhGU1ActL3xRnfzGsFhX0FwtSjmauoDr6E62Fg7dv6zDmpZBpszL4u Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.gq1.yahoo.com with HTTP; Sun, 18 Feb 2018 21:50:17 +0000 Received: from smtp104.rhel.mail.gq1.yahoo.com (EHLO [192.168.1.25]) ([216.39.57.214]) by smtp405.mail.gq1.yahoo.com (JAMES SMTP Server ) with ESMTPA ID 3be2782e0ba0a0d55693c0e3a45b5691; Sun, 18 Feb 2018 21:50:16 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Subject: Re: amd64 head -r329465 (non-debug build, but with symbols): "panic: spin lock held too long" during make check-old, reported during a sys_vfork From: Mark Millard In-Reply-To: Date: Sun, 18 Feb 2018 13:50:15 -0800 Cc: =?utf-8?Q?Trond_Endrest=C3=B8l?= , FreeBSD Hackers , FreeBSD Current Content-Transfer-Encoding: quoted-printable Message-Id: <24563F96-B1A3-48E6-ABE3-D77E0887FFEE@yahoo.com> References: <6907E068-C80A-44B8-A8AD-3EF27D52D127@yahoo.com> <20832C61-AA5D-41A6-8BF9-90CC87D17219@yahoo.com> <6D47FEC0-7991-4F76-AC31-2CC1E8934521@yahoo.com> To: Mateusz Guzik X-Mailer: Apple Mail (2.3445.5.20) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 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: Sun, 18 Feb 2018 21:50:20 -0000 On 2018-Feb-18, at 1:46 PM, Mark Millard = wrote: > On 2018-Feb-18, at 1:33 PM, Mateusz Guzik wrote: >=20 >> On Sun, Feb 18, 2018 at 9:38 PM, Trond Endrest=C3=B8l < >> Trond.Endrestol@fagskolen.gjovik.no> wrote: >>=20 >>> On Sun, 18 Feb 2018 11:51-0800, Mark Millard wrote: >>>=20 >>>> Note: -r329448 was reverted in -r329461 : racy. >>>=20 >>> True. I got a crash when compiling r329451 while running r329449. >>> I've now booted the r329422 ZFS BE and I'm attempting to build >>> r329529. >>>=20 >>=20 >> Looking around strongly suggests r329448 is the culprit. If you can = verify >> 329447 works fine we are mostly done here. >>=20 >> Note the revision got reverted and different variant got in in = r329531. >>=20 >> That said, if r329447 works then the issue should be already fixed = and in >> particular fresh head should work fine. >=20 > My initial problem was with -r329465, which is after -r329461 reverted > -r329488 . Trond reported in one note that he had problems with > -r329464 , also after -r329488 was reverted. Trond has also reported > -r329449 failed. Dumb typos above: I meant -r329448 instead of -r329488 both times. > I did manage to revert to -r329447 earlier and so far the results > suggests that it works. >=20 > =46rom this I get that -r329449 is the the one that is common to > all the so--far failing combinations. -r329448 is not common to > all of them. =3D=3D=3D Mark Millard marklmi at yahoo.com ( markmi at dsl-only.net is going away in 2018-Feb, late)