Mailing List Archive: Q about Sun Alternate Break

HI All,

Currently I am running `conserver.com version 7.2.7' & using Cyclades
ACS Console Servers to connected to the Sun Box Console & the
following is the version of this server:

Linux version 2.6.11 (gcc version 3.3.1 (MontaVista
3.3.1-3.0.10.0300532 2003-12-24)) #1 Tue Mar 28 13:31:20 PST 2006
AlterPath-ACS48-Linux V_2.6.1 (Mar/28/2006)

The alternate break sequence is being enabled in the Sun Box.

However, it is noticed that the default break sequence 2 is not
function properly to beak the attached Sun box to OBP.

0 `\z'
1 `\z'
2 `\r~^b'
3 `#.reset -x\r'

But, it is noticed that such break sequence is working for the CISCO
Console server. So, do you got any clue on it?

Thanks & Regards
Paul
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On Thu, Aug 31, 2006 at 09:53:15PM +0800, Paul Liong wrote:
> The alternate break sequence is being enabled in the Sun Box.

so, if you type <return>,~,ctrl-b you can make it break, right?

if that's the case, then it's all a factor of how much delay there is
between characters. i believe they added a requirement that there was
some amount of delay between characters so that you could still send
data over a modem, for example, and not cause a machine to break. the
assumption being that a human wouldn't be able to type it quickly.

i was going to say "just add the \d option to the sequence", but that
doesn't feature isn't in the 7.2.7 code. i don't know if there's any
way for you to upgrade to the latest version, but if so, that would fix
your issue. i'm not even sure if cyclades has modified the 7.2.7 code
at all to work on their boxes. if not, you could just put in a usleep()
call in the DoBreakWork() subroutine of conserver/group.c (not sure
where exactly...but it gets you close, at least) and rebuild the
program (i think cyclades provide a development environment or
something).

the last thing you could do is run 8.1.14 on another host and not use
the cyclades local version of conserver. quite a radical shift, and
possibly not one you'd want to do - i understand, but it is an option.

those are really the only things i can think of at this point. if
typing the escape sequence by hand doesn't cause a break, well then,
double-check your sun setup. ;-)

Bryan
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