--- Russell King <[email protected]> wrote:
> On Thu, Jan 18, 2007 at 05:39:15AM +0000, Seetharam
> Dharmosoth wrote:
> > I have one doubt in this regard.
> > 1) once we connected to the serial console we
> don't
> > want to login into the shell.
> > (without login into the shell we want to fire
> the
> > sysrq command like b, r m, etc.)
> >
> > for this I am doing like
> > grabing the serial console then
> > doing ctrl+]
> > so that getting
> > telnet>
> > now i want to give command like b, m ,r etc.
> >
> > but it is not accepting my commands until I do
> > telnet> send brk
> >
> > can you please explain me why like this behavior ?
>
> If it didn't require a break before hand, merely
> pressing 'b', 'm' or 'r'
> would trigger the sysrq command, which would make it
> absolutely impossible
> to login or type any normal command containing those
> characters.
>
> --
> Russell King
> Linux kernel 2.6 ARM Linux -
> http://www.arm.linux.org.uk/
> maintainer of:
>
Thanks.
I am not able to find the code path for
'send brk'
can you please let me know what would be the code path
when we do 'send brk' in linux.
I am interested about 8250 and uart serial driver.
currently using kernel 2.6.7.
Thanks
Seetharam
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