Am Dienstag, 19. Oktober 2010, 18:12:52 schrieb Alan Stern: > The problem is that usb-skeleton calls usb_free_coherent() in its > skel_write_bulk_callback() routine. That indirectly calls > dma_pool_free(), which for some strange reason doesn't like to run > in_interrupt. I suppose it needs to do IPIs and wait for answers. > usb-skeleton probably should not use a coherent buffer. There's no > good reason for it. Among other things it should be an example. If this is easy to get wrong, we should come up with a correct solution. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
