From owner-freebsd-current@freebsd.org Mon Feb 26 05:19:00 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 9B3B6F2BAD2 for ; Mon, 26 Feb 2018 05:19:00 +0000 (UTC) (envelope-from jon@brawn.org) Received: from ahs1.r4l.com (ahs1.r4l.com [198.27.81.125]) (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 034048343C for ; Mon, 26 Feb 2018 05:18:59 +0000 (UTC) (envelope-from jon@brawn.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=brawn.org; s=default; h=To:Date:Message-Id:Subject:Mime-Version:Content-Type:From: Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=glN/4iL1Em+CRohRG5pbR40YtwzFNJyX2pZ5Da57Prg=; b=qWp3WkhHtScHI+yfbtPek5ppk/ 3X+wjiC6iCQQ78lwAKrlmtDZE0d3fAL3vLJQ2I+N4ccFmwg4qm5C6/LhhFJOLaLgRuZSGjXzDov4p Ownx3f9pKXvELxEhvXzB3tqT8XYXGebf/F6Osir5E2TQuAvkyHXzzDjvwSuNwZU62ClV59RJGF4ZL R+fv3v/35cwhvduVoJWCrI+vnAWwWPaTwRu4XajGGi8snRFAlTsn/v8FdZ+d4rip+/DjXnRzCplai ZXpBoeCGFTYaF5cE3r9kJpvnTbB6ZtG4xOPm76wa/Pao/Li8pWYV+MbJSbMLZfsYm5mc/vP5bvGUY 6OIqR6Fw==; Received: from [136.62.171.86] (port=49321 helo=[192.168.1.120]) by ahs1.r4l.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1eqBBW-000FyL-S2 for freebsd-current@freebsd.org; Mon, 26 Feb 2018 00:18:47 -0500 From: Jon Brawn Content-Type: multipart/signed; boundary="Apple-Mail=_30593960-CB93-4397-8A20-5CAC20A9FD35"; protocol="application/pkcs7-signature"; micalg=sha1 Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Subject: lock order reversal Message-Id: Date: Sun, 25 Feb 2018 23:18:45 -0600 To: FreeBSD current X-Mailer: Apple Mail (2.3445.5.20) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - ahs1.r4l.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - brawn.org X-Get-Message-Sender-Via: ahs1.r4l.com: authenticated_id: jon@brawn.org X-Authenticated-Sender: ahs1.r4l.com: jon@brawn.org X-Source: X-Source-Args: X-Source-Dir: 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: Mon, 26 Feb 2018 05:19:00 -0000 --Apple-Mail=_30593960-CB93-4397-8A20-5CAC20A9FD35 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Wotcha! So, I=E2=80=99ve been using FreeBSD 12-CURRENT at various svn releases = for a while now, and I get quite a few =E2=80=9Clock order reversal=E2=80=9D= dumps. The one I=E2=80=99ve got on my screen at the moment is for ufs / = bufwait / ufs: root@brax:/usr/src/stand # lock order reversal: 1st 0xfffffd0003ec17e8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2602 2nd 0xffff0000410efa20 bufwait (bufwait) @ = /usr/src/sys/ufs/ffs/ffs_vnops.c:282 3rd 0xfffffd00b83ca7e8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2602 stack backtrace: #0 0xffff0000003b59d4 at witness_debugger+0x64 #1 0xffff00000032bd34 at __lockmgr_args+0x6ac #2 0xffff0000005c6af0 at ffs_lock+0x88 #3 0xffff000000679eb0 at VOP_LOCK1_APV+0xac #4 0xffff000000426fa8 at _vn_lock+0x64 #5 0xffff000000417550 at vget+0x78 #6 0xffff000000409fdc at vfs_hash_get+0xec #7 0xffff0000005c2b94 at ffs_vgetf+0x44 #8 0xffff0000005b96a8 at softdep_sync_buf+0x9f4 #9 0xffff0000005c7834 at ffs_syncvnode+0x26c #10 0xffff0000005a1b5c at ffs_truncate+0x6b0 #11 0xffff0000005ce3cc at ufs_direnter+0x778 #12 0xffff0000005d64bc at ufs_makeinode+0x4b8 #13 0xffff0000005d2b90 at ufs_create+0x38 #14 0xffff000000677168 at VOP_CREATE_APV+0xac #15 0xffff00000042691c at vn_open_cred+0x264 #16 0xffff00000041fc84 at kern_openat+0x208 #17 0xffff00000064b59c at do_el0_sync+0x8bc Is there something I should be doing to help debug these? Jon.= --Apple-Mail=_30593960-CB93-4397-8A20-5CAC20A9FD35 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIILEzCCBSUw ggQNoAMCAQICECQcc6QQWc3Um5HgAnmjhBYwDQYJKoZIhvcNAQELBQAwgZcxCzAJBgNVBAYTAkdC MRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoT EUNPTU9ETyBDQSBMaW1pdGVkMT0wOwYDVQQDEzRDT01PRE8gUlNBIENsaWVudCBBdXRoZW50aWNh dGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBMB4XDTE3MTAyODAwMDAwMFoXDTE4MTAyODIzNTk1OVow HjEcMBoGCSqGSIb3DQEJARYNam9uQGJyYXduLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC AQoCggEBALEscuT73gkjXEfkaQU3QXOOIDFilHr9RV/FKPk+ZO3wyXpoChqRW+anE+kKBLSCsmoX 6HnhAmcq3j9umj5jIYwpD84m26XbWQK+uo42GZ3cAF12VvO0g/toUvI+nJcxiD39APWowPKQ4Nae 4FN4hLOcwd2zyF3LiJgq4aXXcBQxl2s1JRCb7STFl5qpp73JVbFp1MkABmESyzI6KE0LLH3hHICU d2m+Omg6L8T+RgsTEKmgTvw1hYD04ms9ttji/viI8LtR3V9p9DDGH0iSCF56kPo4WfsbfGVBs1km tw8uvB6OVNGiD0q05kR/GI4jGiMLa4UhlCC0VsYfx7ZyGEUCAwEAAaOCAeMwggHfMB8GA1UdIwQY MBaAFIKvbIz4xf6WYXzoHz0rcUhexIvAMB0GA1UdDgQWBBRYtBFf7BnRYLxKWDc5DiI35q5WVzAO BgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAgBgNVHSUEGTAXBggrBgEFBQcDBAYLKwYBBAGy MQEDBQIwEQYJYIZIAYb4QgEBBAQDAgUgMEYGA1UdIAQ/MD0wOwYMKwYBBAGyMQECAQEBMCswKQYI KwYBBQUHAgEWHWh0dHBzOi8vc2VjdXJlLmNvbW9kby5uZXQvQ1BTMFoGA1UdHwRTMFEwT6BNoEuG SWh0dHA6Ly9jcmwuY29tb2RvY2EuY29tL0NPTU9ET1JTQUNsaWVudEF1dGhlbnRpY2F0aW9uYW5k U2VjdXJlRW1haWxDQS5jcmwwgYsGCCsGAQUFBwEBBH8wfTBVBggrBgEFBQcwAoZJaHR0cDovL2Ny dC5jb21vZG9jYS5jb20vQ09NT0RPUlNBQ2xpZW50QXV0aGVudGljYXRpb25hbmRTZWN1cmVFbWFp bENBLmNydDAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuY29tb2RvY2EuY29tMBgGA1UdEQQRMA+B DWpvbkBicmF3bi5vcmcwDQYJKoZIhvcNAQELBQADggEBAKZgWVdxinnS81TZvPWc8kXjtzxKSBFU 6ZXBkofX+CSRuD+Wmg4vlt6fNIaVWqWDF95qjR3TOwyb+LQJnsMyYhAl9NI6AJTxgfghzKK49MVP aC0K7V4TnWCiucJsfK+xDqZIevPFPF3mpYz7/Uf8VPbX2uK80/uUoBRroXDLyHv7fTzG8K+bHBh6 l2x2xFB04nxAhRS4yaJvOeV6ckPOHvCgHhncXQ1HoPUvV/M94K3jaURLPvSUm2tgzODJ97QDHDWM SF7xfItpAM7AVAmN0M0U8sWI/qDykqpoeOc/TrMNeRTEcuphuJASMuN+oP57T+XZFq/lOEEIw1H+ 4QZ1mnIwggXmMIIDzqADAgECAhBqm+E4O/8ra58B1dm4p1JWMA0GCSqGSIb3DQEBDAUAMIGFMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3Jk MRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDErMCkGA1UEAxMiQ09NT0RPIFJTQSBDZXJ0aWZp Y2F0aW9uIEF1dGhvcml0eTAeFw0xMzAxMTAwMDAwMDBaFw0yODAxMDkyMzU5NTlaMIGXMQswCQYD VQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRow GAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDE9MDsGA1UEAxM0Q09NT0RPIFJTQSBDbGllbnQgQXV0 aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC AQoCggEBAL6znlesKHZ1QBbHOAOY08YYdiFQ8yV5C0y1oNF9Olg+nKcxLqf2NHbZhGra0D00SOTq 9bus3/mxgUsg/Wh/eXQ0pnp8tZ8XZWAnlyKMpjL+qUByRjXCA6RQyDMqVaVUkbIr5SU0RDX/kSsK wer3H1pT/HUrBN0X8sKtPTdGX8XAWt/VdMLBrZBlgvnkCos+KQWWCo63OTTqRvaq8aWccm+KOMjT cE6s2mj6RkalweyDI7X+7U5lNo6jzC8RTXtVV4/Vwdax720YpMPJQaDaElmOupyTf1Qib+cpukNJ nQmwygjD8m046DQkLnpXNCAGjuJy1F5NATksUsbfJAr7FLUCAwEAAaOCATwwggE4MB8GA1UdIwQY MBaAFLuvfgI9+qbxPISOre44mOzZMjLUMB0GA1UdDgQWBBSCr2yM+MX+lmF86B89K3FIXsSLwDAO BgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/BAgwBgEB/wIBADARBgNVHSAECjAIMAYGBFUdIAAwTAYD VR0fBEUwQzBBoD+gPYY7aHR0cDovL2NybC5jb21vZG9jYS5jb20vQ09NT0RPUlNBQ2VydGlmaWNh dGlvbkF1dGhvcml0eS5jcmwwcQYIKwYBBQUHAQEEZTBjMDsGCCsGAQUFBzAChi9odHRwOi8vY3J0 LmNvbW9kb2NhLmNvbS9DT01PRE9SU0FBZGRUcnVzdENBLmNydDAkBggrBgEFBQcwAYYYaHR0cDov L29jc3AuY29tb2RvY2EuY29tMA0GCSqGSIb3DQEBDAUAA4ICAQB4XLKBKDRPPO5fVs6fl1bsj6Jr F/bz9kkIBtTYLzXN30D+03Hj6OxCDBEaIeNmsBhrJmuubvyE7HtoSmR809AgcYboW+rcTNZ/8u/H v+GTrNI/AhqX2/kiQNxmgUPt/eJPs92Qclj0HnVyy9TnSvGkSDU7I5Px+TbO+88G4zipA2psZaWe EykgzClZlPz1FjTCkk77ZXp5cQYYexE6zeeN4/0OqqoAloFrjAF4o50YJafX8mnahjp3I2Y2mkjh k0xQfhNqbzlLWPoT3m7j7U26u7zg6swjOq8hITYc3/np5tM5aVyu6t99p17bTbY7+1RTWBviN9YJ zK8HxzObXYWBf/L+VGOYNsQDTxAk0Hbvb1j6KjUhg7fO294F29QIhhmiNOr84JHoy+fNLpfvYc/Q 9EtFOI5ISYgOxLk3nD/whbUe9rmEQXLp8MB933Ij474gwwCPUpwv9mj2PMnXoc7mbrS22XUSeTwx CTP9bcmUdp4jmIoWfhQm7X9w/Zgddg+JZ/YnIHOwsGsaTUgj7fIvxqith7DoJC91WJ8Lce3CVJqb 1XWeKIJ84F7YLXZN0oa7TktYgDdmQVxYkZo1c5noaDKH9Oq9cbm/vOYRUM1cWcef20Wkyk5S/GFy yPJwG0fR1nRas3DqAf4cXxMiEKcff7PNa4M3RGTqH0pWR8p6EjGCA7cwggOzAgEBMIGsMIGXMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3Jk MRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDE9MDsGA1UEAxM0Q09NT0RPIFJTQSBDbGllbnQg QXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQQIQJBxzpBBZzdSbkeACeaOEFjAJBgUr DgMCGgUAoIIB3zAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xODAy MjYwNTE4NDZaMCMGCSqGSIb3DQEJBDEWBBQtC1tAj0/tj4RsUYrCtLQZ1QsjIzCBvQYJKwYBBAGC NxAEMYGvMIGsMIGXMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAw DgYDVQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDE9MDsGA1UEAxM0Q09N T0RPIFJTQSBDbGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQQIQJBxzpBBZ zdSbkeACeaOEFjCBvwYLKoZIhvcNAQkQAgsxga+ggawwgZcxCzAJBgNVBAYTAkdCMRswGQYDVQQI ExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBD QSBMaW1pdGVkMT0wOwYDVQQDEzRDT01PRE8gUlNBIENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQg U2VjdXJlIEVtYWlsIENBAhAkHHOkEFnN1JuR4AJ5o4QWMA0GCSqGSIb3DQEBAQUABIIBAGJU6wHs m1MZlYhviSXytHkq+Q3EhFRKzl3VaS8kUAiwXz/doYlZAVBQxmyrrGl+4PnzvQRNWIQJq53bJRBN FIAXeoBnn2VGlMCEjT6Ys6u31rH45h+6NqstEvRXOJgQBgcs6IJkoUeS42iJpGRz2lBmM6Mh914q RSESAcyJiKhm4KgpknEWRT/9SmC85Va9SjQ+kGyhJm4ae29jB8knDMh/cQ7obKNZgttSG+H28M0S T0G95kT6gvFOlKGCFH9B5npC4Cu65MPERdJCrNZhnjTVfx4ORRoS7HDlteYwA5cU1QEyJvnIk/OS WCzrH7sahPSiK1klzEZdwp+bpT0yx4YAAAAAAAA= --Apple-Mail=_30593960-CB93-4397-8A20-5CAC20A9FD35--