On Sat, 3 Oct 2009, Matti Aarnio wrote: > These have been happening in my boot kernels now for some time. > Perhaps somebody should rethink of how the ftdi_sio is initialized ? > Or maybe to remove this warning to begin with? > > > > Oct 3 02:19:58 mea kernel: WARNING: at lib/dma-debug.c:860 check_for_stack+0xa9/0xe8() (Not tainted) ... > Oct 3 02:19:58 mea kernel: Call Trace: ... > Oct 3 02:19:58 mea kernel: [<ffffffff813b60fb>] usb_control_msg+0x10c/0x144 > Oct 3 02:19:58 mea kernel: [<ffffffffa02e254f>] ftdi_sio_port_probe+0x596/0x67f [ftdi_sio] Has anybody tried to count the number of places where ftdi_sio.c does DMA to the stack? There are a lot. Does the maintainer care to fix them, or would he prefer to delegate this task? :-) Alan Stern -- 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
