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Date:      Fri, 27 Nov 2015 16:39:03 -0600
From:      Karl Denninger <karl@denninger.net>
To:        "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: Raspberry Pi2 kernel warnings
Message-ID:  <5658DB87.5010308@denninger.net>
In-Reply-To: <CAFHCsPUYYs3Kbfi4-tpAz-iah49s-nPyAX-akc71_4s-YMgQbQ@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>

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Hmmm... or maybe not.

"espeak" (speech synthesizer) hangs in a "S" state with this change in.=20
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> wr=
ote:
>> The patch still looks good -- it ran overnight without any warnings an=
d
>> 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.net>=
 wrote:
>>>>> I'm getting these on a fairly consistent basis on a Pi that is talk=
ing
>>>>> 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=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 t=
o 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 i=
t
>>>> 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]/

--=20
Karl Denninger
karl@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/

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