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From: Greg KH <greg@kroah.com>
To: "Kevin P. Fleming" <lkml@kpfleming.us>,
	Jan Beulich <jbeulich@novell.com>, Alan Cox <alan@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: drivers/pci/probe.c patch in 2.6.20.4 causes 'cannot adjust BAR0 (not I/O)' on NVidia MCP51
Date: Sun, 25 Mar 2007 09:11:44 -0700	[thread overview]
Message-ID: <20070325161144.GA12155@kroah.com> (raw)
In-Reply-To: <460693EB.9080203@kpfleming.us>

On Sun, Mar 25, 2007 at 08:23:23AM -0700, Kevin P. Fleming wrote:
> I just upgraded from 2.6.20.2 to 2.6.20.4 on my Compaq V6000 laptop,
> which has an NVidia core chipset. It has the MCP51 and uses it for PATA
> and SATA.
> 
> Booting the 2.6.20.4 kernel causes two messages (and a kernel lockup)
> like this:
> 
> 0000:00:0d.0: cannot adjust BAR0 (not I/O)
> 0000:00:0d.0: cannot adjust BAR1 (not I/O)
> 
> Booting without ACPI, without APIC, without LAPIC makes no usable
> difference (although sometimes I will also receive a message about BAR2).
> 
> This patch:
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ed8ccee0918ad063a4741c0656fda783e02df627;hp=9e5755bce00bb563739aeb0f09932a1907521167
> 
> is the cause... backing it out results in a working 2.6.20.4 kernel on
> my laptop.
> 
> I'll be happy to provide any assistance I can debugging this problem.

Jan, any thoughts about this?

Should this be backed out of the -stable releases?

Kevin, does 2.6.21-rc4 work properly for you?

thanks,

greg k-h

  reply	other threads:[~2007-03-25 16:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-25 15:23 Kevin P. Fleming
2007-03-25 16:11 ` Greg KH [this message]
2007-03-25 17:22   ` Kevin P. Fleming
2007-03-25 20:08   ` Alan Cox
2007-03-25 19:21     ` Adrian Bunk
2007-03-26  2:25       ` Kevin P. Fleming
2007-03-26  3:08         ` Adrian Bunk
2007-03-26  6:58   ` Jan Beulich
2007-03-26 10:55     ` Alan Cox
2007-03-25 16:43 ` Gabriel C
2007-03-25 18:13   ` Torsten Kaiser
2007-03-25 19:09     ` Grzegorz Chwesewicz

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