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Re: Memory corruption

To: Ralf Baechle <ralf@uni-koblenz.de>
Subject: Re: Memory corruption
From: Harald Koerfgen <Harald.Koerfgen@home.ivm.de>
Date: Wed, 07 Jul 1999 23:08:57 +0200 (MEST)
Cc: linux-mips@vger.rutgers.edu, linux-mips@fnet.fr, linux@engr.sgi.com, Ulf Carlsson <ulfc@thepuffingroup.com>, "William J. Earl" <wje@fir.engr.sgi.com>
In-reply-to: <19990706150549.A28849@uni-koblenz.de>
Organization: none
Reply-to: "Harald Koerfgen" <Harald.Koerfgen@home.ivm.de>
Sender: harry@franz.no.dom
On 06-Jul-99 Ralf Baechle wrote:
> I've received a report from some person who is working on his own R3081
> port.  He also observes data corruption and suspects reading of swapped
> pages is causing that.

That's definitely true for R3k DECstations, and no, flushing the icache in
flush_tlb_page() does not help. I have added cacheflushing to all tlb routines,
copy_page and even rw_swap_page_base() and swap_after_unlock_page() without
success.

Any ideas?
---
Regards,
Harald

P.S.: I'll be on vacation until July 18th so this has twait a little bit :-)

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