Re: Help, my printer port is on fire!!!

[Wesley Leonard <marshall@xxxxxxxxxxxx>]

I've heard of this one... I think it means there's some unknown error.

I read about this a while ago but I can't remember where...

AHA!  Here we go:

> From: "Marko Siladin" <msiladin@athos.mas.vcu.edu>
> Date: Mon, 18 Nov 1996 21:01:21 -0500 (EST)
> Subject: Re: Printer on fire - I feel like an idiot
> 
> > 
> > In article <9611172030.AA16550@athos.mas.vcu.edu>,
> > "Marko Siladin" <msiladin@athos.mas.vcu.edu> writes:
> > >
> > >Sorry guys I really must appolagize to post something to this mailinglist
> > >without enough investigation. Anyway the reason I got that strange kernel 
> > >error message was that the "Pause" button on my printer was pressed. 
> > >The front of my printer is hidden under my desk so I don't see it (
> > >it's an Epson LQ-570 btw). . Anyway to cut the story short pressing
> > >the pause butten solved the problem. Maybe there should be some 
> > >better messageing - like not on-line?? Sorry again for
> > >the unnecessary posting. 
> > >Regards and happy linuxing
> > >-- 
> > 
> > `lp0 on fire' is a age-old UNIX joke. It was in the earliest kernels
> > of UNIX. Linux is just trying to conform ;)
> > 
> > Seriously, it's for unknown errors - off line is reported when the 
> > printer is off-line, out of paper is reported when the printer is out
> > of paper, on fire is reported when the kernel doesn't know.
> > 
> > See .../linux/drivers/char/lp.c at around line 250 (assuming 2.0.24;
> > I expect it's about the same for other versions but I don't know)
> > 
> But the problem is that my printer was - off-line and that the driver
> did not detect that. Now I understand that there are many printers out
> there and that it is not easy to write an universal driver. But the
> point is that lp did not recognize that my printer was off-line.
> The pause button on the printer is the closest thing I
> can see to an off-line (except the power switch :) )
> 
> - -- 
> ...Marko
-- 

Wesley Leonard
marshall@pacdemon.org

http://www.pacdemon.org
"...I want Linux to be on the cutting edge, and even a bit past the
edge, because what's past the edge today is what's on your desktop
tomorrow."
	--Linus Torvalds


Bruce Smith wrote:
> 
> Can someone explain the last line from /var/log/messages?
> 
> Jun 25 12:20:43 pc1h kernel: parport0: PC-style at 0x378 (0x778) [SPP,ECP,ECPPS2]
> Jun 25 12:20:43 pc1h kernel: parport0: detected irq 7; use procfs to enable interrupt-driven operation.
> Jun 25 12:20:43 pc1h kernel: parport0: no IEEE-1284 device present.
> Jun 25 12:20:43 pc1h kernel: lp0: using parport0 (polling).
> Jun 25 12:20:47 pc1h kernel: lp0 on fire
> 
> P.S.  My printer seems to be working fine,
>       and my smoke alarm hasn't went off yet.
> 
> --------------------------------------------
> Bruce Smith                bruce@armintl.com
> System Administrator / Network Administrator
> Armstrong International, Inc.
> Three Rivers, Michigan  49093  USA
> http://www.armstrong-intl.com/
> --------------------------------------------