Messages in this thread | | | Date | Thu, 1 Feb 2007 12:02:08 +0000 | From | Alan <> | Subject | Re: [BUG]: 2.6.19.2: Weird serial core issue |
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> I implemented the serial driver by myself, :). See the attachment. > I didn't save/restore terminal setting in the my_set_termios().
Driver looks fine.
> 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. It seems once the flag is > assigned by uart_set_options the first time, it's never changed. So > even userspace application changed the flag, it will be set back soon. > I'll dig into it. But I still think it's a bug.
Which application (see from current->pid) seems to be calling the tty_ioctl with the "wrong flag" ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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