On Wed, Jan 17, 2007 at 03:56:54PM -0800, Brian Beattie wrote: > I'm trying to do a SYSRQ over a serial console. As I understand it a > break will do that, but I'm not seeing the SYSRQ. In looking at > uart_handle_break() in drivers/serial/8250.c it looks like the code will > toggle port->sysrq, rather than just setting it when the port is a > console. I think the correct code would be to move the "port->sysrq = > 0;" to follow the closing brace on the next line, or am I missing > something.
Thereby preventing the action of <break> (which may be to cause a SAK event, which would be rather important on a console to ensure that you're really logging in rather than typing your password into another users program which just looks like a login program.) Note that the sequence for sysrq is: (non-break characters or nothing) <break> <sysrq-char> -- 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-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/