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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html