Date: Sat, 28 Nov 2015 13:43:06 -0600 From: Karl Denninger <karl@denninger.net> To: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Raspberry Pi2 kernel warnings Message-ID: <565A03CA.1010608@denninger.net> In-Reply-To: <CAFHCsPX8w%2BrJihkXX4SHaV52=08F8BT7VWordx9p2kKx8CYsLw@mail.gmail.com> References: <56575896.70105@denninger.net> <CAFHCsPW4p9f4aGRffhAgFVgcYTixoJQVR707hhXZmB9B7U9v-A@mail.gmail.com> <5657E4C6.9020609@denninger.net> <56589C6B.8000100@denninger.net> <CAFHCsPUYYs3Kbfi4-tpAz-iah49s-nPyAX-akc71_4s-YMgQbQ@mail.gmail.com> <5658DB87.5010308@denninger.net> <CAFHCsPX8w%2BrJihkXX4SHaV52=08F8BT7VWordx9p2kKx8CYsLw@mail.gmail.com>
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This is a cryptographically signed message in MIME format. --------------ms020705030903050408030802 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable That appears to have fixed it; espeak is again working. On 11/27/2015 17:20, Svatopluk Kraus wrote: > Well, I cannot imagine now how my patch could be the cause of that > except that sdhci is using dma channel #4 now, but it was #2, which is > said to be used by GPU. And channels used by GPU are not initialized > now. Try to apply the attached fix just to be sure. > > FYI, my video playback freezed up after more than 12 hours of playing > today, so there could be some problem in communication with GPU, not > my patch related. > > > > On Fri, Nov 27, 2015 at 11:39 PM, Karl Denninger <karl@denninger.net> w= rote: >> Hmmm... or maybe not. >> >> "espeak" (speech synthesizer) hangs in a "S" state with this change in= =2E >> Not sure if it's the cause but it was working before. >> >> >> On 11/27/2015 13:56, Svatopluk Kraus wrote: >>> OK, Thanks. >>> >>> On Fri, Nov 27, 2015 at 7:09 PM, Karl Denninger <karl@denninger.net> = wrote: >>>> The patch still looks good -- it ran overnight without any warnings = and >>>> is still grinning. >>>> >>>> On 11/26/2015 23:06, Karl Denninger wrote: >>>>> On 11/26/2015 15:20, Svatopluk Kraus wrote: >>>>>> On Thu, Nov 26, 2015 at 8:08 PM, Karl Denninger <karl@denninger.ne= t> wrote: >>>>>>> I'm getting these on a fairly consistent basis on a Pi that is ta= lking >>>>>>> to a Zwave USB stick and a serial USB interface (two instances th= at both >>>>>>> show up as serial devices): >>>>>>> >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10007 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10007 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10027 >>>>>>> bcm_dma0: unused DMA intr CH=3D3, CS=3D20f10007 >>>>>>> >>>>>>> They're showing up maybe every half-hour or so.... doesn't appear= to be >>>>>>> doing anything bad, other than displaying the message..... >>>>>>> >>>>>> I'm just finished a patch which works well for me. I plan to commi= t it >>>>>> after some more testing. The patch is attached if you want to test= it >>>>>> too. >>>>>> >>>>>> Svatopluk Kraus >>>>>> >>>>> I have the patch loaded on on the Pi that is exhibiting the problem= -- >>>>> so far looks good. >>>>> >>>> -- >>>> Karl Denninger >>>> karl@denninger.net <mailto:karl@denninger.net> >>>> /The Market Ticker/ >>>> /[S/MIME encrypted email preferred]/ >> -- >> Karl Denninger >> karl@denninger.net <mailto:karl@denninger.net> >> /The Market Ticker/ >> /[S/MIME encrypted email preferred]/ --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms020705030903050408030802 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 hvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNTExMjgxOTQzMDZaME8GCSqGSIb3DQEJBDFCBEC4 dFRdaMPKKNurcJXXfeU/+qU8BC6j80bTd7EDrggwh1W9pq8sR6S1dq20NKK+7gWHQzM8B6yd JBcwg1js5dF0MGwGCSqGSIb3DQEJDzFfMF0wCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQBAjAK BggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwICAUAwBwYFKw4DAgcwDQYI KoZIhvcNAwICASgwgacGCSsGAQQBgjcQBDGBmTCBljCBkDELMAkGA1UEBhMCVVMxEDAOBgNV BAgTB0Zsb3JpZGExEjAQBgNVBAcTCU5pY2V2aWxsZTEZMBcGA1UEChMQQ3VkYSBTeXN0ZW1z IExMQzEcMBoGA1UEAxMTQ3VkYSBTeXN0ZW1zIExMQyBDQTEiMCAGCSqGSIb3DQEJARYTQ3Vk YSBTeXN0ZW1zIExMQyBDQQIBKTCBqQYLKoZIhvcNAQkQAgsxgZmggZYwgZAxCzAJBgNVBAYT AlVTMRAwDgYDVQQIEwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoTEEN1 ZGEgU3lzdGVtcyBMTEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExIjAgBgkqhkiG 9w0BCQEWE0N1ZGEgU3lzdGVtcyBMTEMgQ0ECASkwDQYJKoZIhvcNAQEBBQAEggIAqTTMyY/s 5PrNs0sdYHTYyyrn7/BMm1KuT+skp++DkiFD7x9ZeiTnblWU+fgOKdHKO6U/EdxL7hA08Fvq pSFhJjk33HotXKUa+gTnpUXWo8/cxEHHqBal6mx9AIL8La3ZLSSsd41oEvZYHz1iPl9rlLn/ IHPANl7ZYCSUC5+Os1prDbQOcXtdq2TaD/58eLPR6v2StWMPIDoiiH89GMzOj3MX/Hn8kvSs vC5vJ/7VEZT4/vgEtqeeSNpqiC5c7P4TAzZv5+AyxLRS3CE5+hxQ28Jq/L77aOs8nfjUnI6W oQVnKt3fzuWpoOPHDsir0RGnifxvue9CmLWcfHLLeARSUuLtjG+qegp+VNE01lFCQLwIyiLb pv9R6N3/1SNlZu0i++OUA78xWkdKPPRS4rEO1s9wSELo2dlzAIJXhD+m1TXZqIeotb6v3Kzz 100WqNHvAPkMgBHuEOPOJBBqfwlmKYQqfWWe7buq3Asu+vBOSGZkzdpwpRp9y+qnRCuZNMn8 SVYsObuvFuiFeK1zJ2ch2jE5d48TmVxMMgvJLdhgpAfCBL+aTNp9rM95EX4Mfe4bfUuKQZ+N uRSJoD74/6V2kgku5YT5y3LOwBPFWJEJ4OpxXcV7z+As/4qO0UWiF1mSWhrg+IUlxxvteeUf NPZ/C2pDNb50K02uQ0Wfmpr4RLoAAAAAAAA= --------------ms020705030903050408030802--
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