Re: omap3-isp segfault

[Neil MacMunn <neil@gumstix.com>]

Thanks Laurent.

I've appended console output to the commands you've suggested.

On 11-01-27 04:28 AM, Laurent Pinchart wrote:
> Hi again,
>
> On Thursday 27 January 2011 02:43:15 Neil MacMunn wrote:
>> Ok I solved the segfault problem by updating some of my v4l2 files
>> (specifically v4l2-common.c). Now I only get nice sounding console
>> messages.
>>
>>       Linux media interface: v0.10
>>       Linux video capture interface: v2.00
>>       omap3isp omap3isp: Revision 2.0 found
>>       omap-iommu omap-iommu.0: isp: version 1.1
>>       omap3isp omap3isp: hist: DMA channel = 4
>>       mt9v032 3-005c: Probing MT9V032 at address 0x5c
>>       omap3isp omap3isp: isp_set_xclk(): cam_xclka set to 28800000 Hz
>>       omap3isp omap3isp: isp_set_xclk(): cam_xclka set to 0 Hz
>>       mt9v032 3-005c: MT9V032 detected at address 0x5c
>
> As you're using an MT9V032 sensor, I can help you with the pipeline setup. You
> can run the following commands to capture 5 raw images.
>
> ./media-ctl -r -l '"mt9v032 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'
ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'
Resetting all links to inactive
Setting up link 16:0 -> 5:0 [1]
Setting up link 5:1 -> 6:0 [1]

> ./media-ctl -f '"mt9v032 2-005c":0[SGRBG10 752x480], "OMAP3 ISP CCDC":1[SGRBG10 752x480]'
CCDC":1[SGRBG10 752x480]'
Setting up format SGRBG10 752x480 on pad mt9v032 3-005c/0
Format set: SGRBG10 752x480
Setting up format SGRBG10 752x480 on pad OMAP3 ISP CCDC/0
Format set: SGRBG10 752x480
Setting up format SGRBG10 752x480 on pad OMAP3 ISP CCDC/1
Format set: SGRBG10 752x480

> ./yavta -p -f SGRBG10 -s 752x480 -n 4 --capture=5 --skip 4 -F $(./media-ctl -e "OMAP3 ISP CCDC output")
$(./media-ctl -e "OMAP3 ISP CCDC output")
Device /dev/video2 opened: OMAP3isp_video_pix_to_mbus: mbus->code=0x0000
  ISP CCDC output (media).
isp_video_mbus_to_pix: mbus->code=0x300A
Video format set: width: 752 height: 480 buffer size: 721920
Video format: BA10 (30314142) 752x480
4 buffers requested.
length: 721920 offset: 0
Buffer 0 mapped at address 0x402e6000.
length: 721920 offset: 724992
Buffer 1 mapped at address 0x40427000.
length: 721920 offset: 1449984
Buffer 2 mapped at address 0x405bc000.
length: 721920 offset: 2174976
Buffer 3 mapped at address 0x40704000.
Press enter to start capture

isp_video_mbus_to_pix: mbus->code=0x300A

And then it hangs. I'm trying to run a bt but I think mbus->code=0x0000 
is the problem. Not sure where it stems from though. Thoughts?

-- 
Neil