Re: oops pauser.

[Josef Sipek <jsipek@fsl.cs.sunysb.edu>]

On Thu, Jan 05, 2006 at 05:24:01PM -0800, David Lang wrote:
> On Thu, 5 Jan 2006, Dave Jones wrote:
> 
> >> (*) If the oops is longer than 25 lines, ... you can't even use 
> >scrollback
> >> because scrollback is cleared when you change consoles. X runs by default
> >> on tty7, and the kernel dumps it somewhere else. (And even if it dumped 
> >to
> >> tty7 directly, you would not see it.)
> >
> >What to do about oopses whilst in X has been the subject of much
> >head-scratching for years now.  It's come up at least at the
> >last two kernel summits, and I'll hazard a guess it'll come up
> >again this year.  The amount of work necessary to make it all
> >work on both kernel side and X side isn't unsubstantial however,
> >so I wouldn't count on it working too soon.
> 
> hmm, if you can hope that someone will grab a camera to report an oops, 
> how about them grabbing a tape recorder/mp3 recorder to record audio from 
> the speaker. it's not fast, but you don't have that much data to output, 
> do it in morse (with the audio explination of what's going to happen 
> first)

There is a patch somewhere that uses the keyboard lights to "display" panics,
and a comment that the PC speaker implementation is left up to the reader :)

It shouldn't be hard do, then all you need is just one printk telling the user
to record it :)

Jeff.