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Re: Kernel crash in / bcm1480 with 16k page size

To: David Daney <>
Subject: Re: Kernel crash in / bcm1480 with 16k page size
From: Ralf Baechle <>
Date: Fri, 29 Jan 2010 19:06:20 +0100
Cc: Guenter Roeck <>, "" <>
In-reply-to: <>
References: <> <> <> <>
User-agent: Mutt/1.5.20 (2009-08-17)
On Fri, Jan 29, 2010 at 09:11:46AM -0800, David Daney wrote:

> >So first question would be: Has anyone successfully loaded a 64
> >bit mips kernel with 2.6.32 and a page size of 16k or 64k ? This
> >would at least help me reducing the problem to sb1.
> Yes, I routinely run with both 64K and 16K page sizes on 2.6.32 and
> 2.6.33-rc*.  I have not seen any crashes that can not be easily
> explained.

I can reproduce it with today's 14b7baff3eb4b1b46a592630e6f85ded9264798a.
4K page size works ok, 16K without IPv6 works ok and 16K with IPv6 crashes.
Note, I was testing with a non-16K capable userland so ok means userland is

Either way, that's good enought to look into things.


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