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Date: Thu, 21 Mar 2002 21:23:36 -0800 (PST)
From: Andre Hedrick <andre@linux-ide.org>
To: Stephen Williams <mrsteve@midsouth.rr.com>
cc: linux-kernel@vger.kernel.org
Subject: Re: Linux-2.4.19pre3-ac5
In-Reply-To: <1016734453.1017.11.camel@swilliam.home.net>
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On 21 Mar 2002, Stephen Williams wrote:

> I can compile ac-5 fine but when trying to boot I get the following
> error:
> 
> kernel BUG at ide-cd.c:790!
> invalid operand: 0000
> 
> I am running 2.4.19pre3 without a problem.  I didn't have a way (as far
> as I know) to get the full panic output but I can copy by hand and post
> here if needed.
> 
> Have a good one,
> Steve

It is a BUG() check to see if there are cases where the interrupt handler
is being set (re armed) while it is currently set for another event.

if (HWGROUP(drive)->handler != NULL)
     BUG();
ide_set_handler(drive, handler, timeout, expirey);

If we are reloading the handler but it was set but something else , never
called during a completion, and/or is dangling.  It is a typo my bad :-(

Edit and change it from "==" to "!="

Apology for the typo folks.

Cheers,

Andre Hedrick
LAD Storage Consulting Group

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