Jurgen, Raimond, On 02/13/2015 10:12 AM, 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? > >> >> 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. > > 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? Can you both apply this patch and let me know what it says the next time you get a risc error message? I just realized that important information was never logged, so with luck this might help me pinpoint the problem. Thanks, Hans diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index 1ad4994..b66b8d4 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -1628,7 +1628,7 @@ static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status) dprintk(7, " (VID_BC_MSK_OF 0x%08x)\n", VID_BC_MSK_OF); - printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name); + printk(KERN_ERR "%s: mpeg risc op code error %x %d\n", dev->name, status, port == &dev->ts2); cx_clear(port->reg_dma_ctl, port->dma_ctl_val); cx23885_sram_channel_dump(dev, -- 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