From owner-freebsd-hackers Wed May 15 16:27:50 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by hub.freebsd.org (Postfix) with ESMTP id C5CE237B41E; Wed, 15 May 2002 16:27:21 -0700 (PDT) Received: from isi.edu (agfxnoy0h1odd4vc@hbo.isi.edu [128.9.160.75]) by boreas.isi.edu (8.11.6/8.11.2) with ESMTP id g4FNRJF15936; Wed, 15 May 2002 16:27:19 -0700 (PDT) Message-ID: <3CE2EED5.2010003@isi.edu> Date: Wed, 15 May 2002 16:27:17 -0700 From: Lars Eggert User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:0.9.9) Gecko/20020404 X-Accept-Language: en-us, de-de MIME-Version: 1.0 To: David Gilbert Cc: freebsd-hackers@freebsd.org, freebsd-smp@freebsd.org Subject: Re: SMP kernel freezes with nice processes. References: <15586.56294.70836.700134@trooper.velocet.net> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms090203000900010207080306" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This is a cryptographically signed message in MIME format. --------------ms090203000900010207080306 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit David Gilbert wrote: > I run dnetc with an argument to run two (one for each processor). If > I realtime nice (not nasty) the processes, the computer freezes for a > few seconds every minute or two. If I have them only regular nice'd, > this does not happen. "realtime nice" = idprio? If so, probably priority inversion. Not much you can do about that without looking at the dnetc source any finding out which resources it holds locked. Lars -- Lars Eggert USC Information Sciences Institute --------------ms090203000900010207080306 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 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIInzCC ArUwggIeoAMCAQICAwWBRzANBgkqhkiG9w0BAQIFADCBkjELMAkGA1UEBhMCWkExFTATBgNV BAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMQ8wDQYDVQQKEwZUaGF3dGUx HTAbBgNVBAsTFENlcnRpZmljYXRlIFNlcnZpY2VzMSgwJgYDVQQDEx9QZXJzb25hbCBGcmVl bWFpbCBSU0EgMjAwMC44LjMwMB4XDTAxMDgyNDE2NDAwMFoXDTAyMDgyNDE2NDAwMFowVDEP MA0GA1UEBBMGRWdnZXJ0MQ0wCwYDVQQqEwRMYXJzMRQwEgYDVQQDEwtMYXJzIEVnZ2VydDEc MBoGCSqGSIb3DQEJARYNbGFyc2VAaXNpLmVkdTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkC gYEA0AvLBsD78nxcUHeHkaMgl3b4qYPnfgbf8Lh+HQP8RgGMRG/Yb+vTpkGezlwt9pkJxiD1 1uZDy4CNNJUu3gKxKSb+zRV70O+lkwwftuHoLHoH4xwo3LcQ2LGDpd+I95tUN4dfJ3TmeEcU SF50dC/SuUI4w8AlhXQ8IxrhgdayTpECAwEAAaNWMFQwKgYFK2UBBAEEITAfAgEAMBowGAIB BAQTTDJ1TXlmZkJOVWJOSkpjZFoyczAYBgNVHREEETAPgQ1sYXJzZUBpc2kuZWR1MAwGA1Ud EwEB/wQCMAAwDQYJKoZIhvcNAQECBQADgYEAheZhn0pQA8zI7U2K1ZIAl11j0a1DKxnp3GtT vOUrGRB3WvYxidvdZ1kizhEsWeXU81TkNDH0DaRqtOEeu6Q2OhB+jeKEqY7IDAJE4/fI0e+d 6PnG1hd+vEvYmsKHkmzBhPc94XUOKNWO+qVNP2NGyNI3QIDy5wX4fdcOo1S34r4wggK1MIIC HqADAgECAgMFgUcwDQYJKoZIhvcNAQECBQAwgZIxCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxX ZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEPMA0GA1UEChMGVGhhd3RlMR0wGwYD VQQLExRDZXJ0aWZpY2F0ZSBTZXJ2aWNlczEoMCYGA1UEAxMfUGVyc29uYWwgRnJlZW1haWwg UlNBIDIwMDAuOC4zMDAeFw0wMTA4MjQxNjQwMDBaFw0wMjA4MjQxNjQwMDBaMFQxDzANBgNV BAQTBkVnZ2VydDENMAsGA1UEKhMETGFyczEUMBIGA1UEAxMLTGFycyBFZ2dlcnQxHDAaBgkq hkiG9w0BCQEWDWxhcnNlQGlzaS5lZHUwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANAL ywbA+/J8XFB3h5GjIJd2+KmD534G3/C4fh0D/EYBjERv2G/r06ZBns5cLfaZCcYg9dbmQ8uA jTSVLt4CsSkm/s0Ve9DvpZMMH7bh6Cx6B+McKNy3ENixg6XfiPebVDeHXyd05nhHFEhedHQv 0rlCOMPAJYV0PCMa4YHWsk6RAgMBAAGjVjBUMCoGBStlAQQBBCEwHwIBADAaMBgCAQQEE0wy dU15ZmZCTlViTkpKY2RaMnMwGAYDVR0RBBEwD4ENbGFyc2VAaXNpLmVkdTAMBgNVHRMBAf8E AjAAMA0GCSqGSIb3DQEBAgUAA4GBAIXmYZ9KUAPMyO1NitWSAJddY9GtQysZ6dxrU7zlKxkQ d1r2MYnb3WdZIs4RLFnl1PNU5DQx9A2karThHrukNjoQfo3ihKmOyAwCROP3yNHvnej5xtYX frxL2JrCh5JswYT3PeF1DijVjvqlTT9jRsjSN0CA8ucF+H3XDqNUt+K+MIIDKTCCApKgAwIB AgIBDDANBgkqhkiG9w0BAQQFADCB0TELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4g Q2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMRowGAYDVQQKExFUaGF3dGUgQ29uc3VsdGluZzEo MCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjEkMCIGA1UEAxMbVGhh d3RlIFBlcnNvbmFsIEZyZWVtYWlsIENBMSswKQYJKoZIhvcNAQkBFhxwZXJzb25hbC1mcmVl bWFpbEB0aGF3dGUuY29tMB4XDTAwMDgzMDAwMDAwMFoXDTAyMDgyOTIzNTk1OVowgZIxCzAJ BgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEP MA0GA1UEChMGVGhhd3RlMR0wGwYDVQQLExRDZXJ0aWZpY2F0ZSBTZXJ2aWNlczEoMCYGA1UE AxMfUGVyc29uYWwgRnJlZW1haWwgUlNBIDIwMDAuOC4zMDCBnzANBgkqhkiG9w0BAQEFAAOB jQAwgYkCgYEA3jMypmPHCSVFPtJueCdngcXaiBmClw7jRCmKYzUqbXA8+tyu9+50bzC8M5B/ +TRxoKNtmPHDT6Jl2w36S/HW3WGl+YXNVZo1Gp2Sdagnrthy+boC9tewkd4c6avgGAOofENC UFGHgzzwObSbVIoTh/+zm51JZgAtCYnslGvpoWkCAwEAAaNOMEwwKQYDVR0RBCIwIKQeMBwx GjAYBgNVBAMTEVByaXZhdGVMYWJlbDEtMjk3MBIGA1UdEwEB/wQIMAYBAf8CAQAwCwYDVR0P BAQDAgEGMA0GCSqGSIb3DQEBBAUAA4GBAHMbbyZli/8VNEtZYortRL5Jx+gNu4+5DWomKmKE H7iHY3QcbbfPGlORS+HN5jjZ7VD0Omw0kqzmkpxuwSMBwgmn70uuct0GZ/VQby5YuLYLwVBX tewc1+8XttWIm7eiiBrtOVs5fTT8tpYYJU1q9J3Fw5EvqZa4BTxS/N3pYgNIMYICpjCCAqIC AQEwgZowgZIxCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcT CUNhcGUgVG93bjEPMA0GA1UEChMGVGhhd3RlMR0wGwYDVQQLExRDZXJ0aWZpY2F0ZSBTZXJ2 aWNlczEoMCYGA1UEAxMfUGVyc29uYWwgRnJlZW1haWwgUlNBIDIwMDAuOC4zMAIDBYFHMAkG BSsOAwIaBQCgggFhMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8X DTAyMDUxNTIzMjcxOVowIwYJKoZIhvcNAQkEMRYEFISBc1yCtipf+QtLM/L/CbN+IhW5MFIG CSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMC AgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGtBgsqhkiG9w0BCRACCzGBnaCBmjCBkjEL MAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3du MQ8wDQYDVQQKEwZUaGF3dGUxHTAbBgNVBAsTFENlcnRpZmljYXRlIFNlcnZpY2VzMSgwJgYD VQQDEx9QZXJzb25hbCBGcmVlbWFpbCBSU0EgMjAwMC44LjMwAgMFgUcwDQYJKoZIhvcNAQEB BQAEgYBrzXcPG16S1pjdbttFxJKfp5KJ8RWbpC0wya6bV6cR0YDYtyAWvjZsTetAjKSyuLtL bSnSyg6DvCHNCaZpGO8GNkzAcokujob7Wdilk3/iIB4oII4SAG+QXWTQ1JNtk8VwJAKNaGRL HRT4nrF82zk+0xZLW0KnnTkTNhovDEHwFwAAAAAAAA== --------------ms090203000900010207080306-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message