Date: Thu, 26 Nov 2015 22:20:49 +0100 From: Svatopluk Kraus <onwahe@gmail.com> To: Karl Denninger <karl@denninger.net> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Raspberry Pi2 kernel warnings Message-ID: <CAFHCsPW4p9f4aGRffhAgFVgcYTixoJQVR707hhXZmB9B7U9v-A@mail.gmail.com> In-Reply-To: <56575896.70105@denninger.net> References: <56575896.70105@denninger.net>
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--001a113ed81828d7cc052578267d Content-Type: text/plain; charset=UTF-8 On Thu, Nov 26, 2015 at 8:08 PM, Karl Denninger <karl@denninger.net> wrote: > I'm getting these on a fairly consistent basis on a Pi that is talking > to a Zwave USB stick and a serial USB interface (two instances that both > show up as serial devices): > > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10007 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10007 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10027 > bcm_dma0: unused DMA intr CH=3, CS=20f10007 > > 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 commit it after some more testing. The patch is attached if you want to test it too. Svatopluk Kraus > -- > Karl Denninger > karl@denninger.net <mailto:karl@denninger.net> > /The Market Ticker/ > /[S/MIME encrypted email preferred]/ --001a113ed81828d7cc052578267d Content-Type: text/plain; charset=US-ASCII; name="bcm2835_dma.diff" Content-Disposition: attachment; filename="bcm2835_dma.diff" Content-Transfer-Encoding: base64 X-Attachment-Id: f_ihgquchs1 ZGlmZiAtLWdpdCBhL3N5cy9hcm0vYnJvYWRjb20vYmNtMjgzNS9iY20yODM1X2RtYS5jIGIvc3lz L2FybS9icm9hZGNvbS9iY20yODM1L2JjbTI4MzVfZG1hLmMKaW5kZXggNmEyOTY3YS4uMjhkZjJi MyAxMDA2NDQKLS0tIGEvc3lzL2FybS9icm9hZGNvbS9iY20yODM1L2JjbTI4MzVfZG1hLmMKKysr IGIvc3lzL2FybS9icm9hZGNvbS9iY20yODM1L2JjbTI4MzVfZG1hLmMKQEAgLTEwNCw2ICsxMDQs MTUgQEAgX19GQlNESUQoIiRGcmVlQlNEJCIpOwogLyogcmVsYXRpdmUgb2Zmc2V0IGZyb20gQkNN X1ZDX0RNQTBfQkFTRSAocC4zOSkgKi8KICNkZWZpbmUJQkNNX0RNQV9DSChuKQkJKDB4MTAwKihu KSkKIAorLyogY2hhbm5lbHMgdXNlZCBieSBHUFUgKi8KKyNkZWZpbmUJQkNNX0RNQV9DSF9CVUxL CQkwCisjZGVmaW5lCUJDTV9ETUFfQ0hfRkFTVDEJMgorI2RlZmluZQlCQ01fRE1BX0NIX0ZBU1Qy 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