Hi Michael, On Tuesday 01 March 2011 17:41:01 Michael Jones wrote: > Hi all, > > I get a warning about a cache error with the following steps: > > 0. load omap3-isp > 1. set up media broken media pipeline. (e.g. set different formats on > opposite ends of a link, as will be the case for using the lane shifter) > 2. try to capture images. isp_video_streamon() returns -EPIPE from the > failed isp_video_validate_pipeline() call. > 3. unload omap3-isp module > > then I get the following from kmem_cache_destroy(): > > slab error in kmem_cache_destroy(): cache `iovm_area_cache': Can't free all > objects [<c0040318>] (unwind_backtrace+0x0/0xec) from [<c00bfe14>] > (kmem_cache_destroy+0x88/0xf4) [<c00bfe14>] (kmem_cache_destroy+0x88/0xf4) > from [<c00861f8>] (sys_delete_module+0x1c4/0x230) [<c00861f8>] > (sys_delete_module+0x1c4/0x230) from [<c003b680>] > (ret_fast_syscall+0x0/0x30) > > Then, when reloading the module: > SLAB: cache with size 32 has lost its name > > Can somebody else confirm that they also observe this behavior? I can't reproduce that (tried both 2.6.32 and 2.6.37). Could you give me some more details about your exact test procedure (such as how you configure the pipeline) ? -- Regards, Laurent Pinchart -- 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
