site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=zk8UeFGW8DzI02teUDrxzNQBKSw+ipJolDm9ZwYXhBA=; b=NH4pXP4Gg2vEbPEaY1AUhyvcadt1rhtY9W3mT9oWGSEKdbN7Cj+qP4OhfaDZ/EyJiM 2I/VWjj/E8VfSHYVwaiuJVlFl1U70x43XrOyb5XmouhHuQcJ5uWAILVrX9f4EBGpWugR iS+PPf5jIv3JrghUXDyyCT00nmlm0izfXjO/o= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=etfEa75s5FYpnfgVVhle+M2n5omAmB9ze+63nfpHjEBzfdbwXpJCYS4I1AepRcCwsd oBhwijZkD0WrBfv0V8mGic9+Oi1r2cPaYQFSlaxI3g5VMNlPSBhBGJLDkTtHkWn+Ncqq HjWnMiPzX/HuYkk7u5v+XwYr065R/rbjhvmNc= this is the same for 32-bit Windows this is not new it's just logic, the current state of macosx (leopard) is to be able to handle 64 bit instruction in a 32-bit mode Cheers! 2009/1/19 searockcliff <searockcliff@163.com>:

Do you mean this is a bug of the kernel of Mac OS X? Do you have some links?

在2009-01-19，"Michael Smith" <drivers@mu.org> 写道：

...

On Jan 18, 2009, at 7:28 PM, searockcliff wrote:

...

I find the line of code near the panic is memcpy(). But the parameters are fine.

One important thing: The kernel panic only occurs on Mac Pro with memory larger than 2GB, like 3GB, 4GB,9GB and so on. If I reduce the memory used to 2GB by boot-args, the kernel panic disappears.

So my question is: Can the Mac OS X kernel NOT handle large memory (>2GB) well?

Ask yourself this simple question:

Of all the folks writing code for MacOS X, are you *really* the only one that has discovered this mysterious flaw?

...

Or the memcpy() function fails sometime on large memory?

See above.

= Mike

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