From mboxrd@z Thu Jan 1 00:00:00 1970 From: DIXLOR Subject: Re: WARNING: amd_iommu. linux-4.4.1-rt6 Date: Sat, 27 Feb 2016 14:38:47 +0300 Message-ID: <56D18AC7.4090409@gmail.com> References: <56CBA91D.6080909@gmail.com> Reply-To: dixlor@gmail.com Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms090005040601090701030501" Cc: linux-rt-users To: Thomas Gleixner Return-path: Received: from mail-lb0-f172.google.com ([209.85.217.172]:34243 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756252AbcB0Li5 (ORCPT ); Sat, 27 Feb 2016 06:38:57 -0500 Received: by mail-lb0-f172.google.com with SMTP id of3so58799748lbc.1 for ; Sat, 27 Feb 2016 03:38:56 -0800 (PST) In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms090005040601090701030501 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Yet another WARN [ 2.667483] WARNING: CPU: 6 PID: 1 at drivers/iommu/amd_iommu.c:2124=20 0xffffffff812cd85a() [ 2.667484] Modules linked in: [ 2.667488] CPU: 6 PID: 1 Comm: swapper/0 Tainted: G U 4.4.2-= plx+ #6 [ 2.667489] Hardware name: empty empty/S8225, BIOS 'V3.03 ' 11/01/20= 12 [ 2.667490] ffffffff815efa4c ffffffff8121e0d6 0000000000000000 ffffff= ff81033fef [ 2.667492] ffff880422992180 ffff8804230e0098 ffff8804229c0800 ffff88= 0423934000 [ 2.667493] ffff880422a0c000 ffffffff812cd85a ffff880422992180 ffff88= 04230e0098 [ 2.667495] Call Trace: [ 2.667497] [] ? 0xffffffff8121e0d6 [ 2.667498] [] ? 0xffffffff81033fef [ 2.667499] [] ? 0xffffffff812cd85a [ 2.667500] [] ? 0xffffffff812cd886 [ 2.667500] [] ? 0xffffffff812cd9a7 [ 2.667501] [] ? 0xffffffff814fa559 [ 2.667502] [] ? 0xffffffff812cb3aa [ 2.667502] [] ? 0xffffffff812cb9da [ 2.667503] [] ? 0xffffffff812ceaa3 [ 2.667504] [] ? 0xffffffff812ca7e8 [ 2.667504] [] ? 0xffffffff812ca808 [ 2.667505] [] ? 0xffffffff81306adf [ 2.667506] [] ? 0xffffffff812cb33a [ 2.667507] [] ? 0xffffffff8172b08a [ 2.667507] [] ? 0xffffffff8170c281 [ 2.667508] [] ? 0xffffffff8172b1d5 [ 2.667509] [] ? 0xffffffff8172b250 [ 2.667509] [] ? 0xffffffff8170c28f [ 2.667510] [] ? 0xffffffff810003df [ 2.667511] [] ? 0xffffffff81708e04 [ 2.667511] [] ? 0xffffffff814f62c8 [ 2.667512] [] ? 0xffffffff814f62cd [ 2.667513] [] ? 0xffffffff814facef [ 2.667513] [] ? 0xffffffff814f62c8 [ 2.667514] ---[ end trace 0000000000000001 ]--- 27.02.2016 12:58, Thomas Gleixner =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > On Sat, 27 Feb 2016, Thomas Gleixner wrote: >> --- a/drivers/iommu/amd_iommu.c >> +++ b/drivers/iommu/amd_iommu.c >> @@ -1952,10 +1952,10 @@ static int __attach_device(struct iommu_ >> int ret; >> =20 >> /* >> - * Must be called with IRQs disabled. Warn here to detect early >> - * when its not. >> + * Must be called with IRQs disabled on a non RT kernel. Warn here t= o >> + * detect early when its not. >> */ >> - WARN_ON(!irqs_disabled()); >> + WARN_ON_NORT(!irqs_disabled()); > That wants to be > > + WARN_ON_NONRT(!irqs_disabled()); > > of course. > > -ENOTAWAKEYET > --------------ms090005040601090701030501 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Криптографическая подпись S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC Ck8wggSxMIIDmaADAgECAhBbLvAL7CpbaYZ7xtCHUmdkMA0GCSqGSIb3DQEBCwUAMFYxCzAJ BgNVBAYTAkNOMRowGAYDVQQKExFXb1NpZ24gQ0EgTGltaXRlZDErMCkGA1UEAwwiQ0Eg5rKD 6YCaIEVtYWlsIOWuouaIt+err+ivgeS5piBHMjAeFw0xNTA4MTMxMDEzMDRaFw0xODA4MTMx MDEzMDRaMDwxGTAXBgNVBAMMEGRpeGxvckBnbWFpbC5jb20xHzAdBgkqhkiG9w0BCQEWEGRp eGxvckBnbWFpbC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDJoN4sNreJ MuGn56VM4fPCJsuHZx+ZXjbr4O325Zq0fTfZ0/SubgjzytYRdgbvCKE+cYX/rrQWYvCD++Xu 2ZAGLnOLyp0wiwX3jRi4zxH1k1V8H6g87GmuinA+Izid6EVsv96iTvGsXLXNsqfItM7YHA6p l5apjHNQj0jY8ofWatyGa/CHN/0mED/P7vPoA4Mvi5U/1++xEQHRir7GtRlAi/Iu+KXT8bpL gvnuAdMQbIp7XZB5AYfHDEo/1j0JI70jVcjxoRMELVKXIMxH+SLZR/b1poWv8iJPTLhsdOzx F7fw4y9QQLc7+2O8mn46YgpN6QXVvTT+FjgiSluNMAcJAgMBAAGjggGTMIIBjzALBgNVHQ8E BAMCBLAwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMEMAkGA1UdEwQCMAAwHQYDVR0O BBYEFFMSojiy9brHblax+Yry/i2jCuf0MB8GA1UdIwQYMBaAFAi9toUMvYZZjUTFCjFrO2r4 1wh+MHUGCCsGAQUFBwEBBGkwZzAwBggrBgEFBQcwAYYkaHR0cDovL29jc3AyLndvc2lnbi5j bi9jYTJnMi9jbGllbnQxMDMGCCsGAQUFBzAChidodHRwOi8vYWlhMi53b3NpZ24uY24vY2Ey ZzIuY2xpZW50MS5jZXIwOQYDVR0fBDIwMDAuoCygKoYoaHR0cDovL2NybHMyLndvc2lnbi5j bi9jYTJnMi1jbGllbnQxLmNybDAbBgNVHREEFDASgRBkaXhsb3JAZ21haWwuY29tMEcGA1Ud IARAMD4wPAYNKwYBBAGCm1EGAQEBAjArMCkGCCsGAQUFBwIBFh1odHRwOi8vd3d3Lndvc2ln bi5jb20vcG9saWN5LzANBgkqhkiG9w0BAQsFAAOCAQEAwfGPem37jTnVHPzIXPLF9DkvkdhN hlUW871NimCYCkbF2E+0esITV/n0v7kRmOsWmhgpe6wT+al2eSR8vdtOjvEt7+aBr/yPek6R JR5OAsJs6j08ZO4cI/ljEPTKyEKGjOI31vvTMLN6t0cRkjCOvl/3b05ureW2kDXMAV/gFTkz I332ndbbhueX7OoUlMjGGCFUY2OXM15BtD7tJw3y8nv6O0WAQyhQgB2/LbVt4Q+Wd5ugz57P 1XQsi0oWNquvMrgbo3rQIaKHPtXq4GQQCDhd4vpsWnF+rD8JPMsJmlye+tMM7srDuPpNqKXq oD9NUyQXKeiuZNxHLHMhDzcyNTCCBZYwggN+oAMCAQICEFbouwvJz66+9T45KqtmBgQwDQYJ KoZIhvcNAQELBQAwRjELMAkGA1UEBhMCQ04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVk MRswGQYDVQQDDBJDQSDmsoPpgJrmoLnor4HkuaYwHhcNMTQxMTA4MDA1ODU4WhcNMjkxMTA4 MDA1ODU4WjBWMQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKzAp BgNVBAMMIkNBIOayg+mAmiBFbWFpbCDlrqLmiLfnq6/or4HkuaYgRzIwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDDFi3sZgVgARd8QuJGPZVKOv8pzhKVIaxpt2Ana5Xw+zRp fzMRlmISRZ/1+mdCiXe+6mDn+f04pItbfHMMiNZo3LEVUXYfNbeoUO+IW2DEnQhy6bahn4W1 5XNhtOwyPOZc31AGovih5pS+0Qxwhn4lsWhGCopTYvr56rybv0XizoQRp7HdjnlNn+0u1Zwr m+YkOi/rgBvguQ/UAA0ToXwfMEFoabwcgA0UTc6SwTGFvSu075bUVzH4cZS9T3Rc+ARlhZQI zebUipJDyR7SPtp4IKGfTiZh60/F4fPKbqpF7zdIK5rvMPI2l1w9GVCWG630ho7qs+H77o31 YP5PBYCNAgMBAAGjggFuMIIBajAOBgNVHQ8BAf8EBAMCAQYwHQYDVR0lBBYwFAYIKwYBBQUH AwIGCCsGAQUFBwMEMBIGA1UdEwEB/wQIMAYBAf8CAQAwLwYDVR0fBCgwJjAkoCKgIIYeaHR0 cDovL2NybHMyLndvc2lnbi5jbi9jYTIuY3JsMGsGCCsGAQUFBwEBBF8wXTAmBggrBgEFBQcw AYYaaHR0cDovL29jc3AyLndvc2lnbi5jbi9jYTIwMwYIKwYBBQUHMAKGJ2h0dHA6Ly9haWEy Lndvc2lnbi5jbi9jYTJnMi1jbGllbnQxLmNlcjAdBgNVHQ4EFgQUCL22hQy9hlmNRMUKMWs7 avjXCH4wHwYDVR0jBBgwFoAU4E2/3JtBXRPoZPCn6RWk4YHBujEwRwYDVR0gBEAwPjA8Bg0r BgEEAYKbUQYBAQECMCswKQYIKwYBBQUHAgEWHWh0dHA6Ly93d3cud29zaWduLmNvbS9wb2xp Y3kvMA0GCSqGSIb3DQEBCwUAA4ICAQCatndVeBsS4GtFpeGQ1dt2pGiFbDXTBbon9WUYxnyY 2Yxbioj3f1VJ380Lg3iKxrzGp+VaFIK3xQa3bd3Gmgldzcvn4MfnAcsclNIU0XOZJH+8d3yd JTvemfozxoI3Ke1oH1BR0BopGKWBtdCv3v4PwRexod0I2uYr2urAdbBICpaLa8Eb3nht3h+0 Tgpyplj3hzTwaPUC9b07y0j6MPA4qmp47Lm8/T+jdj83kz9oIQqlmNylC5L1YCuiKQ9yLmIa jgJ9tF/S3rskbS0JJEwRcMThtWpi4DjNOyx4rbcdZ8x1s/Z5a1ZSebYpZ7nL9wgCVp0VciHK UmFI8kgNWY0NL1HJ0OxGP0SHGA6pNm+jwVLvquIlTmT7X15y9oocflY7HiEsibjkYb+aY3Ya hd6N/FvH9VYAnnT298iW7zWJt5psvFhruNC+YVrJJp5l6h4uTQqwkE1Q8zs2oSww7BVZJwcj JF+OaygIhREKsJXNJZgkSliVna0qYqQVUHsbrXWrFRd+br8+IW2M1/qF9fShl8C6p/Iu1dSM AQgVy38kpSieCqgh1cHXspI6WV1PWJy+IK5vy4hmh+Nc3m9ZxihH1B8Ut6GGNvuR9u05KYpL q1gUbu36Z4pNQ00BtbouH2j/xPfXdr/qChyZl9nBjT+k4ClFWz/qYo12+5fMchNtBDGCA2gw ggNkAgEBMGowVjELMAkGA1UEBhMCQ04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVkMSsw KQYDVQQDDCJDQSDmsoPpgJogRW1haWwg5a6i5oi356uv6K+B5LmmIEcyAhBbLvAL7CpbaYZ7 xtCHUmdkMA0GCWCGSAFlAwQCAQUAoIIBzzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwG CSqGSIb3DQEJBTEPFw0xNjAyMjcxMTM4NDdaMC8GCSqGSIb3DQEJBDEiBCA3P8SK3Pm1NbPY Yx2afwxH/ahGAPYXvdLqT02ate65HDBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFA MAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMHkGCSsGAQQBgjcQBDFsMGowVjELMAkGA1UEBhMC Q04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVkMSswKQYDVQQDDCJDQSDmsoPpgJogRW1h aWwg5a6i5oi356uv6K+B5LmmIEcyAhBbLvAL7CpbaYZ7xtCHUmdkMHsGCyqGSIb3DQEJEAIL MWygajBWMQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKzApBgNV BAMMIkNBIOayg+mAmiBFbWFpbCDlrqLmiLfnq6/or4HkuaYgRzICEFsu8AvsKltphnvG0IdS Z2QwDQYJKoZIhvcNAQEBBQAEggEAlY/txGXToQGk7XA82iUyieAzwHczJdiCufwY6PJQJJvJ mgjgwe9Nzpa0vl2BCUDGjKEvZiHoNMQxAZaN34zYngwrOhQihLAc+Z126Jc2zXJ+ELTYjtiu Y2WXAoWAg1GCfE+hHPNPhNIbsIqh4IYYUodhjZBa3pMA6BJsZ/20852p6Q6YStDWS+63cvYp xJirPGpPZyYl8IMrygyhyqgm3jPPZqcT8IJofTwksQTYAeXC1SENdm7PBlb+syXhqI/+a1rI JPN1G6ADukaAApyw/TPTuetiVI45XiB52zwugSi/L0Bn6TSIT5aSru7W3jbjoECz4nJjzOso +NTNvsiOFQAAAAAAAA== --------------ms090005040601090701030501--