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Re: oops in futex_init()

To: Manuel Lauss <>
Subject: Re: oops in futex_init()
From: "Kevin D. Kissell" <>
Date: Thu, 30 Apr 2009 13:14:46 +0200
Cc: Ralf Baechle <>, Linux-MIPS <>
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <> <> <> <> <> <>
User-agent: Thunderbird (Windows/20090302)
Manuel Lauss wrote:
> Hi,
> This is really embarrassing:  The oops is what happens when you
> ioremap(0x10) and write 0xffffffff at the resulting address (0xa0000010).
This pretty much implies that _CACHE_UNCACHED was passed in the flags
value to ioremap, so it simply returned the kseg1 address.  By any
chance is physical page zero also referenced somewhere as cacheable?

          Kevin K.

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