Date: Mon, 21 Oct 2002 15:32:12 -0700 From: Lars Eggert <larse@ISI.EDU> To: Alex Zepeda <zipzippy@sonic.net> Cc: current@freebsd.org Subject: Re: kernel: lock order reversal Message-ID: <3DB4806C.30500@isi.edu> In-Reply-To: <20021020102654.GA47626@blarf.homeip.net> References: <20021020102654.GA47626@blarf.homeip.net>
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This is a cryptographically signed message in MIME format. --------------ms030701020009060600040509 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Alex Zepeda wrote: > I see this on a fairly regular basis (at least once per 24 hour period): > > lock order reversal > 1st 0xc0490ca0 spechash (spechash) @ ../../../kern/vfs_subr.c:2748 > 2nd 0xc1ed2818 vnode interlock (vnode interlock) @ > ../../../kern/vfs_subr.c:2751 > > Dunno if it's any help, but it happened at 03:08:50, so right towards the > midle of the daily scripts (takes about 20mins here), fairly heavy disk > access. FWIW, I'm seeing the exact same issue here, too. Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms030701020009060600040509 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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