On 02/13/2015 05:14 PM, Jurgen Kramer wrote:
> Hi,
>
> On Fri, 2015-02-13 at 10:12 +0100, Hans Verkuil wrote:
>> Hi Jurgen,
>>
>> On 02/04/2015 06:21 PM, Jurgen Kramer wrote:
>>> On Wed, 2015-02-04 at 17:19 +0100, Hans Verkuil wrote:
>>>> On 02/04/2015 05:06 PM, Jurgen Kramer wrote:
>>>>> Hi Hans,
>>>>>
>>>>> On Mon, 2015-02-02 at 10:36 +0100, Hans Verkuil wrote:
>>>>>> Raimonds and Jurgen,
>>>>>>
>>>>>> Can you both test with the following patch applied to the driver:
>>>>>
>>>>> Unfortunately the mpeg error is not (completely) gone:
>>>>
>>>> OK, I suspected that might be the case. Is the UNBALANCED warning
>>>> gone with my vb2 patch?
>>
>>>> When you see this risc error, does anything
>>>> break (broken up video) or crash, or does it just keep on streaming?
>>
>> Can you comment on this question?
> I still get the risc errors at regular intervals. I am not sure what the real
> impact is.
> I do get the occasional failed recording (dreaded 0 byte recoderings).
Did you get those failed recordings in the past (i.e. before the 'convert
to vb2' commit) as well? Or are these new since that commit?
>>>
>>> The UNBALANCED warnings have not reappeared (so far).
>>
>> And they are still gone? If that's the case, then I'll merge the patch
>> fixing this for 3.20.
> No, these are gone.
Ah, good news.
>>
>> With respect to the risc error: the only reason I can think of is that it
>> is a race condition when the risc program is updated. I'll see if I can
>> spend some time on this today or on Monday. Can you give me an indication
>> how often you see this risc error message?
>
> dmesg |grep "risc op code error"
> [ 1267.999719] cx23885[1]: mpeg risc op code error
> [17830.312766] cx23885[2]: mpeg risc op code error
> [37820.312372] cx23885[2]: mpeg risc op code error
> [48973.897721] cx23885[2]: mpeg risc op code error
> [126673.151447] cx23885[0]: mpeg risc op code error
> [208262.607584] cx23885[2]: mpeg risc op code error
> [212564.803499] cx23885[2]: mpeg risc op code error
> [288834.700570] cx23885[1]: mpeg risc op code error
> [298753.789105] cx23885[2]: mpeg risc op code error
> [341900.746719] cx23885[2]: mpeg risc op code error
> [346513.849946] cx23885[1]: mpeg risc op code error
> [359267.169552] cx23885[2]: mpeg risc op code error
> [370728.293458] cx23885[1]: mpeg risc op code error
> [423626.314834] cx23885[1]: mpeg risc op code error
> uptime:
> 17:14:03 up 4 days, 22:22, 2 users, load average: 0.19, 0.39, 0.34
I understand that you record continuously? Or only at specific times?
Sorry for all these questions, but they help me locate the problem.
Regards,
Hans
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