From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Kieser Subject: Re: Hung RAID5 array with discard Date: Thu, 22 Oct 2015 21:57:40 -0700 Message-ID: <5629BE44.8070205@kieser.ca> References: <20150323135754.02afa72e@notabene.brown> <562909AC.7040003@kieser.ca> <87y4euxkj2.fsf@notabene.neil.brown.name> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms040107020305000307070401" Return-path: In-Reply-To: <87y4euxkj2.fsf@notabene.neil.brown.name> Sender: linux-raid-owner@vger.kernel.org To: Neil Brown , Terry Hardie Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids This is a cryptographically signed message in MIME format. --------------ms040107020305000307070401 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable On 2015-10-22 9:42 PM, Neil Brown wrote: > Peter Kieser writes: > >> FYI I ran into this problem in 3.18.22 when forcing RAID5 TRIM support= >> w/ raid456.devices_handle_discard_safely on Intel DC S3500 SSDs. > Can you please be precise about the problem you experienced. > Complete kernel messages are a minimum. > Anything interesting that might have been happening at the time might > help. > > Thanks, > NeilBrown Same behaviour as the original poster. Enabled the module knob, then ran = mkfs.ext4, which starts to do "Discarding device blocks" and then the=20 machine hard locked. No kernel messages. -Peter --------------ms040107020305000307070401 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC DKswggY0MIIEHKADAgECAgEgMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNVBAYTAklMMRYwFAYD VQQKEw1TdGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0 ZSBTaWduaW5nMSkwJwYDVQQDEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe Fw0wNzEwMjQyMTAyNTVaFw0xNzEwMjQyMTAyNTVaMIGMMQswCQYDVQQGEwJJTDEWMBQGA1UE ChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwgQ2VydGlmaWNhdGUg U2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3MgMiBQcmltYXJ5IEludGVybWVkaWF0 ZSBDbGllbnQgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDLKIVFnAEs+xny q6UzjCqgDcvQVe1dIoFnRsQPCFO+y92k8RK0Pn3MbQ2Gd+mehh9GBZ+36uUQA7Xj9AGM6wgP hEE34vKtfpAN5tJ8LcFxveDObCKrL7O5UT9WsnAZHv7OYPYSR68mdmnEnJ83M4wQgKO19b+R t8sPDAz9ptkQsntCn4GeJzg3q2SVc4QJTg/WHo7wF2ah5LMOeh8xJVSKGEmd6uPkSbj113yK Mm8vmNptRPmM1+YgmVwcdOYJOjCgFtb2sOP79jji8uhWR91xx7TpM1K3hv/wrBZwffrmmEpU euXHRs07JqCCvFh9coKF4UQZvfEg+x3/69xRCzb1AgMBAAGjggGtMIIBqTAPBgNVHRMBAf8E BTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUrlWDb+wxyrn3HfqvazHzyB3jrLsw HwYDVR0jBBgwFoAUTgvvGqRAW6UXaYcwyjRoQ9BBrvIwZgYIKwYBBQUHAQEEWjBYMCcGCCsG AQUFBzABhhtodHRwOi8vb2NzcC5zdGFydHNzbC5jb20vY2EwLQYIKwYBBQUHMAKGIWh0dHA6 Ly93d3cuc3RhcnRzc2wuY29tL3Nmc2NhLmNydDBbBgNVHR8EVDBSMCegJaAjhiFodHRwOi8v d3d3LnN0YXJ0c3NsLmNvbS9zZnNjYS5jcmwwJ6AloCOGIWh0dHA6Ly9jcmwuc3RhcnRzc2wu Y29tL3Nmc2NhLmNybDCBgAYDVR0gBHkwdzB1BgsrBgEEAYG1NwECATBmMC4GCCsGAQUFBwIB FiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMDQGCCsGAQUFBwIBFihodHRw Oi8vd3d3LnN0YXJ0c3NsLmNvbS9pbnRlcm1lZGlhdGUucGRmMA0GCSqGSIb3DQEBBQUAA4IC AQA6qScNyNO0FpHvaZTQacVMXH33O51KyEKSRw3IvdQxRu31YR0ZDGdSfgSoOVDVMSBSdmfQ fdDInHPzV3LO5DwUXZ+lxjv7z3PO2OkfnFkvTXPfn6dxJ5rJveDsTsCPcJ/Kp6/+qN5g+J6D /SaYcFD018B6L42r0Z4VEBy36P4tjRtF14Ex10tl5tJFVKM16qWKQHbpjIgf73s49UB0CQ5l HT2DHKfq3oPfdNc5Mk93w1v4ryVb+qVrZIej8NsrWU+5r4O2IV91edDb/OtHFddZqHFFXKgS 79IHE/hwQ2LW7r3sTX7cDUCg+dfdwO8zeLxuwk2JF8crUoyrl66RGrRIhT8VoG/OJ1Y9uUlO av69V4cG8upi4ZG2l7JZFbcBFk91Wp+Payo5SuF61CmGFrZ386umkmpObtFacXda2O/bVoQ9 xHQrzoTc/0KZTWvlZCLK3Ke/vGYT9ZdW9lOjGsSFbXrlTA919L84iMK+48WGnvRWY28ZaVHp ql43AtEGhXze6iNCbEDACy+4hkQYOytAqDgcxAnQ937mYpeZFPyz/XK9QSt9VNFMuudWxZwD DDJKoQAoSG59Hou9lZ26UrK60nRdAQBmEPL8h2nuWgoPh++XVQld9yuhbsWa39Pck8/lcfz5 HUVGJF5mc/zk38iV7FDlF68puiryNq2KXHEpOTCCBm8wggVXoAMCAQICAlHLMA0GCSqGSIb3 DQEBBQUAMIGMMQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UE CxMiU2VjdXJlIERpZ2l0YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRD b20gQ2xhc3MgMiBQcmltYXJ5IEludGVybWVkaWF0ZSBDbGllbnQgQ0EwHhcNMTQwODE3MTAz OTA5WhcNMTYwODE3MTM1NTMxWjCBjjEZMBcGA1UEDRMQSkhyOElnZDY4ZW1FMHlRejELMAkG A1UEBhMCQ0ExGTAXBgNVBAgTEEJyaXRpc2ggQ29sdW1iaWExEjAQBgNVBAcTCVZhbmNvdXZl cjEVMBMGA1UEAxMMUGV0ZXIgS2llc2VyMR4wHAYJKoZIhvcNAQkBFg9wZXRlckBraWVzZXIu Y2EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC/zZi0sMysoRWvMFWODp+A9mrV vozuJKsxo7d9hiE8RIcHnkdgHkBYZgV08MABxpwBFlPpUEl6CKFfR3YvBoU3hc9wOSz0y5f8 GunZr/FQn2GkRL6EsYxDeJ7ArXVPD+jS1BOJqgXu2Yj/ZQ5KloJndHwxGI4jpyVN3HaC4ebw xzsrvvZpjw1RARCxYG23ULMoiDSkDeX8BJUP+YcIqf+ZRQq0/EmGFUu7NicBD7bz5qZficjs ESWpIVUb+FnfC8r/63ISuK4sHzMh4bisG2ykcbNx80h47bIxmdrUtVMwxGpS+2UbBwuBL2Zo ARoORNJdQc+3AuCXDyMvvBteDo2ZAgMBAAGjggLVMIIC0TAJBgNVHRMEAjAAMAsGA1UdDwQE AwIEsDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwHQYDVR0OBBYEFLw3DlkKqBhh Cvig3OqKZ1dYrqSJMB8GA1UdIwQYMBaAFK5Vg2/sMcq59x36r2sx88gd46y7MBoGA1UdEQQT MBGBD3BldGVyQGtpZXNlci5jYTCCAUwGA1UdIASCAUMwggE/MIIBOwYLKwYBBAGBtTcBAgMw ggEqMC4GCCsGAQUFBwIBFiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMIH3 BggrBgEFBQcCAjCB6jAnFiBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTADAgEB GoG+VGhpcyBjZXJ0aWZpY2F0ZSB3YXMgaXNzdWVkIGFjY29yZGluZyB0byB0aGUgQ2xhc3Mg MiBWYWxpZGF0aW9uIHJlcXVpcmVtZW50cyBvZiB0aGUgU3RhcnRDb20gQ0EgcG9saWN5LCBy ZWxpYW5jZSBvbmx5IGZvciB0aGUgaW50ZW5kZWQgcHVycG9zZSBpbiBjb21wbGlhbmNlIG9m IHRoZSByZWx5aW5nIHBhcnR5IG9ibGlnYXRpb25zLjA2BgNVHR8ELzAtMCugKaAnhiVodHRw Oi8vY3JsLnN0YXJ0c3NsLmNvbS9jcnR1Mi1jcmwuY3JsMIGOBggrBgEFBQcBAQSBgTB/MDkG CCsGAQUFBzABhi1odHRwOi8vb2NzcC5zdGFydHNzbC5jb20vc3ViL2NsYXNzMi9jbGllbnQv Y2EwQgYIKwYBBQUHMAKGNmh0dHA6Ly9haWEuc3RhcnRzc2wuY29tL2NlcnRzL3N1Yi5jbGFz czIuY2xpZW50LmNhLmNydDAjBgNVHRIEHDAahhhodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS8w DQYJKoZIhvcNAQEFBQADggEBAMnGxCRup78n279l+J6YKtXHlPstamJl3MwgTbzUSdsr1V3P JY40LCkQ86a/CYUwoOEjGYdwtwCDgRsa2ArMmsUS90rH4f+j7YNxMSH1TY+gqGwdaYk67rDk WlQ2EoxLWWUUeImLfZg0aP5mUYYeEETGp2WMAlzxuJq4LqkODS2FXYE7B2IAk0cpjG8q0NPn iBnQDv7M3Iq0aLwA8sa6DHJcPk05Qe50K6LyLE1bXhqntK3pykdG83VrHsUBJ7SqQcSS8vx0 0iB3kB1Oa+4cI5P79WqCpYprmim3RkyZddAWJPPqW1PCRhJdbJtXDZ+DCmMIZ1hUUwRDxIlz +lcjXD0xggPqMIID5gIBATCBkzCBjDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29t IEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxODA2 BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDIgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENB AgJRyzANBglghkgBZQMEAgEFAKCCAicwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkq hkiG9w0BCQUxDxcNMTUxMDIzMDQ1NzQwWjAvBgkqhkiG9w0BCQQxIgQgeGEA7ciy6ysYcME1 jX6olIAVSCJG2BLp48QqfBcgSVkwbAYJKoZIhvcNAQkPMV8wXTALBglghkgBZQMEASowCwYJ YIZIAWUDBAECMAoGCCqGSIb3DQMHMA4GCCqGSIb3DQMCAgIAgDANBggqhkiG9w0DAgIBQDAH BgUrDgMCBzANBggqhkiG9w0DAgIBKDCBpAYJKwYBBAGCNxAEMYGWMIGTMIGMMQswCQYDVQQG EwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg Q2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3MgMiBQcmltYXJ5 IEludGVybWVkaWF0ZSBDbGllbnQgQ0ECAlHLMIGmBgsqhkiG9w0BCRACCzGBlqCBkzCBjDEL MAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBE aWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDIg UHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENBAgJRyzANBgkqhkiG9w0BAQEFAASCAQCi WaUHrbaNatTLkXYIdYbWYNocdQIDf+awHgvEleHi4UDlYYnwQ3eU1+FbXzzcC0l+da6WZKoN b/TEkT0LVXU13FJ6vniWv41/Lpu50MTr/QZZIdaN/On3CNemAUxYg/93baCMFrOEDsYKaZNL 9KaOb/cH/dkRYDTV1nmwNI3kW+t4iGS2z/pgmMc/9lRvsAjyvE/JSrGnZjbOhUU6iaaSbgkv fjK58tK3eGJTYOyLd45sqLQifdwVSC0GiyK9+PTQcRWx2nCSkF7lCnea7RdYINNUO1tbR02d Df0H9PzgN1OdWpwjS06iobDFZPh5dA26rsy7kVp9iJBTzKXwdHvhAAAAAAAA --------------ms040107020305000307070401--