Re: 2.6.9-rc2-mm4

Bill Davidsen
2004-09-30T16:47:53Z

Gene Heskett wrote:
> On Tuesday 28 September 2004 06:33, Ingo Molnar wrote:
>
>>* Gene Heskett <gene.heskett@verizon.net> wrote:
>>
>>>>what i use is serial logging to another machine. A digital camera
>>>>is fine too, if the problem area is still visible on the screen.
>>>>(Netconsole is useful too for other type of hangs but it's not
>>>>active at such an early stage yet.)
>>>>
>>>>Ingo
>>>
>>>Unforch, I don't have a spare seriel port Ingo. One is running my
>>>x10
>>
>>fortunately with the patch applied your box works now (so does mine)
>>so the bug appears to be fixed.
>
>
> I just built a kernel with that latest stack-fix patch in it too, but
> haven't rebooted to it yet. I read that as being moderately
> important in some cases although I don't think I've encountered that
> particular case yet. Was this in fact a good idea for me?
>
>
>>early-bootup debugging was never easy, and breakage there doesnt
>>happen all that often. Hopefully this was the last one related to
>>remove-BKL.
>>
>>(If such a early-bootup lockup happens in the future then you sure
>>could temporarily unplug the ups serial connection and use that as
>>the serial console - for the narrow and temporary purpose of
>>debugging that boot-time hang.)
>
>
> That would I assume need a null modem cable, and what do I run on the
> firewall? Minicom? Or is there something better that can just grab
> and log without being interactive? Its a rh7.3 box with a 2.4.18 era
> kernel. I'd update that, but its not broken. :)

I use Kermit, it will do about everything you could ask and gives a
single interface for serial and network console connections.

--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me