From: Jun Sun <jsun@mvista.com>
To: Carsten Langgaard <carstenl@mips.com>
Cc: "Kevin D. Kissell" <kevink@mips.com>,
linux-mips@linux-mips.org, jsun@mvista.com
Subject: Re: possible Malta 4Kc cache problem ...
Date: Wed, 4 Dec 2002 14:19:00 -0800 [thread overview]
Message-ID: <20021204141900.U4363@mvista.com> (raw)
In-Reply-To: <3DEDD414.3854664F@mips.com>; from carstenl@mips.com on Wed, Dec 04, 2002 at 11:08:20AM +0100
On Wed, Dec 04, 2002 at 11:08:20AM +0100, Carsten Langgaard wrote:
> I have just tried your test on a 4Kc and I see no problems.
> However I'm running on our internal kernel sources, and as Kevin mention we have
> changed a fixed a few things in this area.
> As Kevin also mention it sure look more like a I-cache invalidation problem,
> rather than a D-cache flush problem, as the 4Kc has a write-through cache.
> One think you could try, is our latest kernel release. You can find it here:
> ftp://ftp.mips.com/pub/linux/mips/kernel/2.4/images/
>
Yes, the problem still exists with this kernel.
Try to move the source tree to /root/, rename top dir to "try18",
re-make the binary, and try again.
This problem is tricky to reproduce. The location of the tree
definitely matters. I am testing 32bit LE version. Have not
tried BE.
I think I have pinned down the problem. See my other follow-up posting.
Jun
next prev parent reply other threads:[~2002-12-04 22:19 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-04 6:45 possible Malta 4Kc cache problem Jun Sun
2002-12-04 9:38 ` Kevin D. Kissell
2002-12-04 9:38 ` Kevin D. Kissell
2002-12-04 9:46 ` Kevin D. Kissell
2002-12-04 9:46 ` Kevin D. Kissell
2002-12-04 10:08 ` Carsten Langgaard
2002-12-04 11:21 ` Carsten Langgaard
2002-12-04 13:06 ` Kevin D. Kissell
2002-12-04 13:06 ` Kevin D. Kissell
2002-12-04 13:14 ` Carsten Langgaard
2002-12-04 13:28 ` Carsten Langgaard
2002-12-04 17:08 ` Kevin D. Kissell
2002-12-04 17:08 ` Kevin D. Kissell
2002-12-04 17:32 ` Daniel Jacobowitz
2002-12-04 20:28 ` Carsten Langgaard
2002-12-04 22:58 ` Jun Sun
2002-12-05 9:38 ` Carsten Langgaard
2002-12-06 16:42 ` Maciej W. Rozycki
2002-12-06 22:24 ` Hartvig Ekner
2002-12-06 22:24 ` Hartvig Ekner
2002-12-09 10:51 ` Dominic Sweetman
2002-12-09 10:51 ` Dominic Sweetman
2002-12-04 22:19 ` Jun Sun [this message]
2002-12-05 9:27 ` Kevin D. Kissell
2002-12-05 9:27 ` Kevin D. Kissell
2002-12-04 21:59 ` Jun Sun
2002-12-04 23:14 ` Kevin D. Kissell
2002-12-04 23:14 ` Kevin D. Kissell
2002-12-04 22:53 ` Jun Sun
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