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Date:      Thu, 26 Nov 2015 23:06:14 -0600
From:      Karl Denninger <karl@denninger.net>
To:        "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: Raspberry Pi2 kernel warnings
Message-ID:  <5657E4C6.9020609@denninger.net>
In-Reply-To: <CAFHCsPW4p9f4aGRffhAgFVgcYTixoJQVR707hhXZmB9B7U9v-A@mail.gmail.com>
References:  <56575896.70105@denninger.net> <CAFHCsPW4p9f4aGRffhAgFVgcYTixoJQVR707hhXZmB9B7U9v-A@mail.gmail.com>
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[-- Attachment #1 --]

On 11/26/2015 15:20, Svatopluk Kraus wrote:
> 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
>

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]/

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