On Wed, Nov 27, 2013 at 10:54 AM, Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx> wrote: > On Tue, Nov 26, 2013 at 03:03:03PM -0800, Tim Kryger wrote: >> An external device may be keeping the UART busy and preventing LCR >> from being written. >> >> What device is attached to ttyS1? > > There's no device attached at ttyS1. I've just tested this in another > box and it seems the same error is obtained on each unused port: Do you know if your UART pins have pull up resistors? If you can, try attaching something to an unused port. -Tim -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
