On Thu, Feb 01, 2007 at 10:33:40AM +0800, Aubrey Li wrote: > On 2/1/07, Alan <alan@xxxxxxxxxxxxxxxxxxx> wrote: > >What code is running on that console at the time. Most likely that user > >code is also saving/restoring terminal settings so overwrite yours > > > > I implemented the serial driver by myself, :). See the attachment. > I didn't save/restore terminal setting in the my_set_termios(). > > I trace this back till tty_tioctl(..., unsigned long arg), everytime I > type "ENTER" key, > the argument "arg" passed into tty_ioctl() is the address of a termios > structure, which include wrong c_cflag. If userspace is issuing an ioctl to re-enable crtscts, and the kernel is obliging, how can this be a kernel bug? -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: - 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
