Re: Update to 2.3.28's serial driver

Miquel van Smoorenburg (miquels@cistron.nl)
17 Nov 1999 23:56:53 +0100


In article <cistron.19991117154513.D916@lappy.djj.state.va.us>,
Ben Collins <bcollins@debian.org> wrote:
>On Wed, Nov 17, 1999 at 03:19:03PM -0500, tytso@mit.edu wrote:
>>
>> * Add support for using the magic sysreq feature when using a
>> serial console; it is accessed using by an RS-232 break
>> signal.
>
>That's a little conflicting. On sparcs, a break signal on a serial
>console gets you to the PROM prompt (this is hardware handling).

This only works on systems with PC-style serial ports anyway,
which doesn't include the Sparc so that shouldn't really matter.

Think of BREAK as a last resort to get some control over the hardware
when the system has locked up. Whether that is by magic sysrq or
getting you to a PROM prompt is irrelevant

Mike.

-- 
First things first, but not necessarily in that order.

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/