From: Matt Porter <mporter@kernel•crashing.org>
To: Juergen Kienhoefer <juergen@kienhoefer•com>
Cc: linuxppc-dev@lists•linuxppc.org
Subject: Re: cache coherence problem
Date: Mon, 17 Nov 2003 19:36:31 -0700 [thread overview]
Message-ID: <20031117193631.A16808@home.com> (raw)
In-Reply-To: <3FB972E8.5090701@kienhoefer.com>; from juergen@kienhoefer.com on Mon, Nov 17, 2003 at 05:16:24PM -0800
On Mon, Nov 17, 2003 at 05:16:24PM -0800, Juergen Kienhoefer wrote:
> Guys,
> Look at the folloging test program. It mmaps memory, puts some
> instructions in it and executes it.
> Sometimes it works, sometimes it crashes with illegal instruction.
> This smells like cache problems.
> Should the kernel clean the instruction cache for these addresses
> in mmap system call?
What processor is this on?
-Matt
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-11-18 2:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-18 1:16 cache coherence problem Juergen Kienhoefer
2003-11-18 2:36 ` Matt Porter [this message]
2003-11-18 2:38 ` Michael R. Zucca
2003-11-19 22:35 ` linas
2003-11-18 3:02 ` Benjamin Herrenschmidt
2003-11-18 5:00 ` Juergen Kienhoefer
2003-11-18 5:22 ` Benjamin Herrenschmidt
2003-11-18 5:24 ` Benjamin Herrenschmidt
2003-11-18 17:40 ` cache coherence problem: FIXED Juergen Kienhoefer
2003-11-18 8:04 ` cache coherence problem Wolfgang Denk
2003-11-18 9:37 ` Gabriel Paubert
2003-11-19 0:35 ` Benjamin Herrenschmidt
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