Hi Laurent, On Saturday 10 December 2011 14:36:17 Alex Gershgorin wrote: > > Hi Sakari, > > > > Thank you for your quick response and sorry for stupid question. > > Yes CONFIG_OMAP_IOMMU and CONFIG_OMAP_IOVMM enabled, > > because OMAP 3 camera controller depends on the CONFIG_OMAP_IOVMM and > > CONFIG_OMAP_IOMMU. Please tell me how I can use dmabuf instead of the > > IOMMU/IOVMM API. > > > >Unfortunately that real fix isn't available yet and won't be for some > >time. Still, it should be fully functional currently. > > > >Looking at the backtrace again, it seems to crash in > >driver_find_device(). That looks fishy. > > > >Do you have the ISP driver compiled into the kernel? I might try it as a > >module, albeit it of course should work when it's linked to the kernel > >as well. > > Yes ISP driver compiled into kernel, but if I back to previos version of > the Linux kernel 3.0.0, that works well. Here part of kernel boot > message... > > > [ 2.063354] Linux media interface: v0.10 > > [ 2.068298] Linux video capture interface: v2.00 > > [ 2.075561] omap3isp omap3isp: Revision 2.0 found > > [ 2.080932] omap-iommu omap-iommu.0: isp: version 1.1 > > [ 2.099365] Camera Video probed > > [ 2.115997] vivi-000: V4L2 device registered as video7 > > Now I plan to start using a newer version of the Linux kernel 3.2.0-rc4, > but unfortunately faced with the problem. That suggest? >I'm quite surprised. I've just tested 3.2-rc2 here, and got no oops when >loading the omap3-isp driver. I've tried compiling the driver in the kernel >and as a module, and both succeeded. I've pushed my code to >http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp- >sensors-board if you want to give it a try. >Thanks Laurent, >Tomorrow I'll try to test on Hardware that I have with using kernel 3.2-rc2 >and Tell you about my results. >Regards, >Alex Gershgorin Present result is much better, I tested it on kernel 3.2.0-rc5 and the registration is successful. Here part of my boot message: [ 1.926635] Linux video capture interface: v2.00 [ 1.936553] OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec [ 1.959472] omap-iommu omap-iommu.0: isp registered ******* ******* ******* [ 2.043945] omap_i2c omap_i2c.3: bus 3 rev1.3.12 at 400 kHz [ 2.056945] omap3isp omap3isp: Revision 2.0 found [ 2.062622] omap-iommu omap-iommu.0: isp: version 1.1 [ 2.082092] camera 3-0057: Probing CAMERA at address 0x57 [ 2.088439] camera 3-0057: CAMERA detected at address 0x57 I honestly didn't understand where's the catch . Many thanks to all. Regards, Alex Gershgorin -- 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
