Date: Sat, 27 Apr 2002 01:01:34 +0200
From: Andrea Arcangeli <andrea@suse.de>
To: Petr Vandrovec <VANDROVE@vc.cvut.cz>
Cc: hgchewml@optusnet.com.au,
        "'Linux kernel mailing list'" <linux-kernel@vger.kernel.org>,
        riel@conectiva.com.br
Subject: Re: File corruption when running VMware.
Message-ID: <20020427010134.M19278@dualathlon.random>
In-Reply-To: <37A7BD60863@vcnet.vc.cvut.cz>
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On Fri, Apr 26, 2002 at 05:30:37PM +0200, Petr Vandrovec wrote:
> On 24 Apr 02 at 2:01, Rik van Riel wrote:
> > On Wed, 24 Apr 2002, Hong-Gunn Chew wrote:
> > 
> > > I have a repeatable problem when running VMware workstation 3.00 and
> > > 3.01.  The cause is still unknown, and could be VMware itself, the
> > > hardware or the kernel.
> > 
> > If you can reproduce it without VMware or with only the
> > open source part of VMware (ie without any of the binary
> > only parts) we might have a chance of debugging it.
> 
> Hi again,
>   one of 2.4.x kernel images available in SuSE's 8.0 has patched&enabled 
> support for page tables in high memory, and this quickly revealed
> incompatibility between VMware's vmmon page table handling and
> ptes above directly mapped range.
> 
>   So if you have >890MB of RAM and your kernel is compiled with support
> for pte in high memory, please stop using VMware, or reconfigure your 
> kernel to not use pte in high memory (4GB config without pte-in-highmem
> is OK). Using pte-in-highmem with vmmon will cause kernel oopses and/or 

passing to the kernel mem=850M in lilo at boot will be enough.

> memory corruption :-(
> 
>   If you do not have >890MB of memory, then reason for your memory corruption
> is still unknown to me.
>                                           Best regards,
>                                                     Petr Vandrovec
>                                                     vandrove@vc.cvut.cz
>                                                     
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Andrea
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