[syslinux] feedback/help request

[Jim Wright]

configure your bios, lilo and/or syslinux, and the kernel to send
output to the serial port.  then use another system to capture the
output and to interact with the system.  extremely useful.  also
saves transcribing things off the screen of a dead system.


On Tue, 20 Aug 2002, Stephen Brown wrote:

> On Tue, 20 Aug 2002, H. Peter Anvin wrote:
> 
> > Near the beginning of the kernel boot messages it should print the
> > kernel command line, as it sees it.
> >
> Any ideas how to stop the scrolling while the kernel is having it's way
> with the hardware?  Ctrl-S/Q (tried both, can never remember which
> starts/stops) had no effect (at least not with my reflexes), and
> ScrollLock caused a kernel NULL pointer dereference.  Once the system
> locks (a matter of less than a second, it seems) the canonical
> Shift-PageUp has no effect, Alt-Fn won't give other terminals (probably
> still in single-user mode anyway) so no way to look at the log file
> being written to RAMdisk....
> 
> > No escaping, in fact, no escaping or quoting is *ALLOWED*.
> 
> Some of your other syslinux subscribers passed that along as well,
> thanks again for the quick and helpful advice.  The only reason I asked
> was the need for LILO to get the parameter list as a single quoted
> string in it's config file, but then I realized it is because of the
> multiple equal signs that would confuse a parser:
> append="par1=arg1,2,3 par2=arg4"
> Figured that if the command line params were getting passed through
> multiple programs, that quoting might make the difference between
> several variables and one long string variable with embedded spaces, and
> that that might be significant.  I stand enlightened.
> 
> This evening, I methodically passed parameters (I hope) to the kernel,
> both from the command line, and editing syslinux.cfg -- hand copying the
> tail of the messages where the system hangs, if anyone is interested in
> an exercise in futility.  Looks like it is time to head off to the
> Linux kernel lists.
> 
> Steve Brown
> sbrown7 at umbc.edu
> 
> 
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Jim Wright, Senior Engineer
Tel: 415-358-2609   Fax: 415-358-2646   Toll Free: 888-PENGUIN
PENGUIN COMPUTING - www.penguincomputing.com