Re: Fails to boot with screen-card missing

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Jun 14 2000 - 12:38:50 EST


> In normally does not do I/O to the console. Unfortunately, It panics
> if it finds the screen-card missing.

It shouldnt have a video card dependancy. I run some boxes with no
video card fine.

> I have no I/O available except from a hardware debugger. There are
> no UARTs or anything else available for debugging on the target.
> The target is designed to run servos from flight dynamics so the
> only use for user I/O would be for diagnostics. It has been running
> for quite some time and passed all its bench-marks.
>
> >From the EIP I see it's waiting forever in panic(). That's all I can tell.
>
> Does anybody know how to prevent the panic() if the screen-card is
> missing?

Question 1 is what is the panic text. You might want to write yourself
a small console driver that instead of serial or screen writes to a
chunk of ram you can read with the debugger ?

Alan

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