From: Ralf Baechle <ralf@linux-mips.org>
To: Rishabh@soc-soft.com
Cc: linux-mips@linux-mips.org, mel@skynet.ie, jbglaw@lug-owl.de
Subject: Re: HIGHMEM Query
Date: Thu, 17 Feb 2005 20:36:54 +0000 [thread overview]
Message-ID: <20050217203654.GA9671@linux-mips.org> (raw)
In-Reply-To: <4BF47D56A0DD2346A1B8D622C5C5902C53FAF5@soc-mail.soc-soft.com>
On Thu, Feb 17, 2005 at 10:40:22AM +0530, Rishabh@soc-soft.com wrote:
First, fix your mailer setup, it's littering emails with extra carriage
returns.
> I have been working on HIGHMEM fixation for 2.4.20 linux MVL kernel for
> MIPS architecture.
> I am getting DATA BUS ERROR(ADDR: 0xffffd000) exception when loading
> (copying the data received from ethernet to the kernel space in FIXADDR
> SPACE) "/sbin/init" from TARGET ROOT DIR (through NFS). I figured out
> that this is because there is no corresponding page table entry for the
> same.
That does not make sense. If you don't have a pagetable entry the CPU will
take a TLB reload exception. If the entry is invalid, the kernel will
die with an oops. A bus error has different causes.
Ralf
next prev parent reply other threads:[~2005-02-17 20:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-17 5:10 HIGHMEM Query Rishabh
2005-02-17 5:10 ` Rishabh
2005-02-17 20:36 ` Ralf Baechle [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-02-22 9:01 Rishabh
2005-02-22 9:01 ` Rishabh
2005-02-22 11:00 ` Ralf Baechle
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