Subject: Re: Argh! panic on cvs checkout
To: None <Richard.Earnshaw@arm.com>
From: Gavan Fantom <gavan@coolfactor.org>
List: port-arm32
Date: 05/22/2001 15:06:51
On Tue, 22 May 2001, Richard Earnshaw wrote:

> The second bug is a much bigger problem and affects demand-paging.  This
> is caused by having a ldm ..,{...,pc} instruction as the last instruction
> in a page of memory.  The only known solution is to avoid such
> instructions in such locations, and the only practical way to achieve this
> is to patch binaries as the problem comes to light, but this can (in
> theory) corrupt the binary if what looks like an instruction is really
> data (I've never seen this happen in practice though).  There is a program
> that I wrote a while back that will do this for you, it can be downloaded
> from

What is the effect of an instruction here? Is the panic I'm seeing
consistent with this? Which binary should I be looking to patch? cvs? Or
the kernel?

-- 
Gillette - the best a man can forget