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Re: ptrace induced instruction cache bug?

To: Nathan Field <ndf@ghs.com>
Subject: Re: ptrace induced instruction cache bug?
From: Daniel Jacobowitz <dan@debian.org>
Date: Tue, 13 Jan 2004 15:58:58 -0500
Cc: linux-mips@linux-mips.org
In-reply-to: <Pine.LNX.4.44.0401131029410.1969-100000@zcar.ghs.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20040113150108.GA7144@nevyn.them.org> <Pine.LNX.4.44.0401131029410.1969-100000@zcar.ghs.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.1i
On Tue, Jan 13, 2004 at 10:35:04AM -0800, Nathan Field wrote:
> > It sounds reasonable.  I've encountered this problem in the past also,
> > but never with the Pro 2.1 / MIPS release which is what you're using.  
> > I don't see anything obviously wrong with your test code, either.
>       So... is there a fix for this?

Usually a missing cache flush, as you surmised :)  But I don't know of
any that were missing in that version.

> > Yes, you will need a newer toolchain.  Honestly, I'm baffled as to why a
> > Pro 2.1 toolchain was available from our web site at all, unless you got
> > it via an old product subscription... it should have been Pro 3.0, which
> > uses GCC 3.2 and a more recent binutils.  But I don't have any control
> > over these things :)
>       I downloaded it about 5 days ago from:
> http://www.mvista.com/previewkit/index.html
> 
> Could I get a preview kit of your 3.0 release for a Malta 4Kc board?

Let me inquire as to why we're distributing old ones.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer

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