Date: Sun, 27 Dec 2015 17:06:06 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-arm@freebsd.org Subject: Re: fyi: 11.0-current rpi2 systat -vmstat shows around 24k interrupts for bcm283x_dw Message-ID: <56806EDE.9020806@denninger.net> In-Reply-To: <2D9BD203-03D8-4354-A335-8C43A11D1BB3@dsl-only.net> References: <0A781C7D-C5F5-4931-AE38-D2FEC0848DCA@dsl-only.net> <56806007.2000302@selasky.org> <2D9BD203-03D8-4354-A335-8C43A11D1BB3@dsl-only.net>
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This is a cryptographically signed message in MIME format. --------------ms030206070209090800010104 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 12/27/2015 17:04, Mark Millard wrote: > > FYI (but probably unrelated?): I've not tracked anything down yet but I= do periodically get messages like: > > Dec 27 07:31:56 rpi2 kernel: bcm_dma0: unused DMA intr CH=3D3, CS=3D20f= 10027 > Dec 27 07:39:24 rpi2 kernel: bcm_dma0: unused DMA intr CH=3D3, CS=3D20f= 10027 > Dec 27 07:41:02 rpi2 kernel: bcm_dma0: unused DMA intr CH=3D3, CS=3D20f= 10027 > Dec 27 07:43:51 rpi2 kernel: bcm_dma0: unused DMA intr CH=3D3, CS=3D20f= 10027 > > (But I also go long times without such.) > > Note: I'm currently involved in experiments providing evidence about Bu= s Errors from software that misaligns pointer values and possibly from in= appropriate/insufficient compiler options for the SCTLR bit[1]=3D=3D1 sta= tus. clang++ is one of the programs getting Bus Errors. > > I get those all the time too, and I thought they were related to the audio going mute, but they're not related. There's a patch floating around that gets rid of those, but since it didn't take care of the audio problem and this doesn't appear to actually break anything I didn't leave it in when I last updated the tree. --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms030206070209090800010104 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC Bl8wggZbMIIEQ6ADAgECAgEpMA0GCSqGSIb3DQEBCwUAMIGQMQswCQYDVQQGEwJVUzEQMA4G A1UECBMHRmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3Rl bXMgTExDMRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhND dWRhIFN5c3RlbXMgTExDIENBMB4XDTE1MDQyMTAyMjE1OVoXDTIwMDQxOTAyMjE1OVowWjEL MAkGA1UEBhMCVVMxEDAOBgNVBAgTB0Zsb3JpZGExGTAXBgNVBAoTEEN1ZGEgU3lzdGVtcyBM TEMxHjAcBgNVBAMTFUthcmwgRGVubmluZ2VyIChPQ1NQKTCCAiIwDQYJKoZIhvcNAQEBBQAD ggIPADCCAgoCggIBALmEWPhAdphrWd4K5VTvE5pxL3blRQPyGF3ApjUjgtavqU1Y8pbI3Byg XDj2/Uz9Si8XVj/kNbKEjkRh5SsNvx3Fc0oQ1uVjyCq7zC/kctF7yLzQbvWnU4grAPZ3IuAp 3/fFxIVaXpxEdKmyZAVDhk9az+IgHH43rdJRIMzxJ5vqQMb+n2EjadVqiGPbtG9aZEImlq7f IYDTnKyToi23PAnkPwwT+q1IkI2DTvf2jzWrhLR5DTX0fUYC0nxlHWbjgpiapyJWtR7K2YQO aevQb/3vN9gSojT2h+cBem7QIj6U69rEYcEDvPyCMXEV9VcXdcmW42LSRsPvZcBHFkWAJqMZ Myiz4kumaP+s+cIDaXitR/szoqDKGSHM4CPAZV9Yh8asvxQL5uDxz5wvLPgS5yS8K/o7zDR5 vNkMCyfYQuR6PAJxVOk5Arqvj9lfP3JSVapwbr01CoWDBkpuJlKfpQIEeC/pcCBKknllbMYq yHBO2TipLyO5Ocd1nhN/nOsO+C+j31lQHfOMRZaPQykXVPWG5BbhWT7ttX4vy5hOW6yJgeT/ o3apynlp1cEavkQRS8uJHoQszF6KIrQMID/JfySWvVQ4ksnfzwB2lRomrdrwnQ4eG/HBS+0l eozwOJNDIBlAP+hLe8A5oWZgooIIK/SulUAsfI6Sgd8dTZTTYmlhAgMBAAGjgfQwgfEwNwYI KwYBBQUHAQEEKzApMCcGCCsGAQUFBzABhhtodHRwOi8vY3VkYXN5c3RlbXMubmV0Ojg4ODgw CQYDVR0TBAIwADARBglghkgBhvhCAQEEBAMCBaAwCwYDVR0PBAQDAgXgMCwGCWCGSAGG+EIB DQQfFh1PcGVuU1NMIEdlbmVyYXRlZCBDZXJ0aWZpY2F0ZTAdBgNVHQ4EFgQUxRyULenJaFwX RtT79aNmIB/u5VkwHwYDVR0jBBgwFoAUJHGbnYV9/N3dvbDKkpQDofrTbTUwHQYDVR0RBBYw FIESa2FybEBkZW5uaW5nZXIubmV0MA0GCSqGSIb3DQEBCwUAA4ICAQBPf3cYtmKowmGIYsm6 eBinJu7QVWvxi1vqnBz3KE+HapqoIZS8/PolB/hwiY0UAE1RsjBJ7yEjihVRwummSBvkoOyf G30uPn4yg4vbJkR9lTz8d21fPshWETa6DBh2jx2Qf13LZpr3Pj2fTtlu6xMYKzg7cSDgd2bO sJGH/rcvva9Spkx5Vfq0RyOrYph9boshRN3D4tbWgBAcX9POdXCVfJONDxhfBuPHsJ6vEmPb An+XL5Yl26XYFPiODQ+Qbk44Ot1kt9s7oS3dVUrh92Qv0G3J3DF+Vt6C15nED+f+bk4gScu+ JHT7RjEmfa18GT8DcT//D1zEke1Ymhb41JH+GyZchDRWtjxsS5OBFMzrju7d264zJUFtX7iJ 3xvpKN7VcZKNtB6dLShj3v/XDsQVQWXmR/1YKWZ93C3LpRs2Y5nYdn6gEOpL/WfQFThtfnat HNc7fNs5vjotaYpBl5H8+VCautKbGOs219uQbhGZLYTv6okuKcY8W+4EJEtK0xB08vqr9Jd0 FS9MGjQE++GWo+5eQxFt6nUENHbVYnsr6bYPQsZH0CRNycgTG9MwY/UIXOf4W034UpR82TBG 1LiMsYfb8ahQJhs3wdf1nzipIjRwoZKT1vGXh/cj3gwSr64GfenURBxaFZA5O1acOZUjPrRT n3ci4McYW/0WVVA3lDGCBRMwggUPAgEBMIGWMIGQMQswCQYDVQQGEwJVUzEQMA4GA1UECBMH RmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3RlbXMgTExD MRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhNDdWRhIFN5 c3RlbXMgTExDIENBAgEpMA0GCWCGSAFlAwQCAwUAoIICTTAYBgkqhkiG9w0BCQMxCwYJKoZI hvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNTEyMjcyMzA2MDZaME8GCSqGSIb3DQEJBDFCBEAR eMWqKMRUM54t/eDmdSVNa0d35Wq/EaCQ3aHnu/TY4xDTTsfqkXyZ1p6FJw8THwrDSuOqOVTG M3f3/eiVYqicMGwGCSqGSIb3DQEJDzFfMF0wCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQBAjAK BggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwICAUAwBwYFKw4DAgcwDQYI KoZIhvcNAwICASgwgacGCSsGAQQBgjcQBDGBmTCBljCBkDELMAkGA1UEBhMCVVMxEDAOBgNV BAgTB0Zsb3JpZGExEjAQBgNVBAcTCU5pY2V2aWxsZTEZMBcGA1UEChMQQ3VkYSBTeXN0ZW1z IExMQzEcMBoGA1UEAxMTQ3VkYSBTeXN0ZW1zIExMQyBDQTEiMCAGCSqGSIb3DQEJARYTQ3Vk YSBTeXN0ZW1zIExMQyBDQQIBKTCBqQYLKoZIhvcNAQkQAgsxgZmggZYwgZAxCzAJBgNVBAYT AlVTMRAwDgYDVQQIEwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoTEEN1 ZGEgU3lzdGVtcyBMTEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExIjAgBgkqhkiG 9w0BCQEWE0N1ZGEgU3lzdGVtcyBMTEMgQ0ECASkwDQYJKoZIhvcNAQEBBQAEggIArrw8IPJu zyst/UB1gR14BRsl8eXwCOf4bYqgZ3Dy5lB0QLDAeh3LLpLYYPDHB/YSQ8exhaUs97G7eznJ PBUoo6h706LajwcdAzQDv7JGwFxe2HyseHLwNimTaMglsvR9UiJ0hY3x5gPhKZehl65D2lYX 7kTwJ64o6wEh7VbKhxys6B/FQhVAR5s5MLDhlyk0c60lxTnicN2bveR1TtjgWtJcOyEo7NsD ha4Vtft0LyGLDm8xeiZ6AH4IDoLGih5HkHqkZPGOPgskm5NSMQb85jPcyaA6eOQmHc7b/tr2 bts6NLmX1Ab/vYhAO9TB24VqViaQZ0PXGAQkgIlz90eHlx5EpNxlspPtNkkj5mWRcEMeuplF WWr1/8LbTsMIuFYsAaes3bSV1s6KlKOYpN439GFkFIWN46nYtzVI0X0mU7L1gGQwLXTMNR43 /2kiGujm9h3r2/9gnjR5D5B8yXmCBTSkpDmdvRzljWQWWBTFYlHUuZOyx9s7mK+2iNcnthcl 8B2xrJP/kEBP4cbRe99nC87fhk4Cc+S51t18Ai8z5IBYPVN9YiBcDdCarC64T55/md/fTubo hYun/PAzG4vg60HJ+YpCiteyM9C1i9mm0sFb3F9EPWvl5BCzL/ACN9+6n6eF/oodOiiK0nUM yCfREqRWo1hVJP7j+2SG4Deyc/IAAAAAAAA= --------------ms030206070209090800010104--
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