>-----Original Message-----
quoted text
>From: Andi Kleen [mailto:ak@muc.de] 
>Sent: Wednesday, January 16, 2008 2:02 PM
>To: Pallipadi, Venkatesh
>Cc: Andreas Herrmann; ebiederm@xmission.com; 
>rdreier@cisco.com; torvalds@linux-foundation.org; 
>gregkh@suse.de; airlied@skynet.ie; davej@redhat.com; 
>mingo@elte.hu; tglx@linutronix.de; hpa@zytor.com; 
>akpm@linux-foundation.org; arjan@infradead.org; Barnes, Jesse; 
>davem@davemloft.net; linux-kernel@vger.kernel.org; Siddha, Suresh B
>Subject: Re: [patch 0/4] x86: PAT followup - Incremental 
>changes and bug fixes
>
>> This ioremap failing seems to be the real problem. This can be due to
>> new tracking of ioremaps introduced by PAT patches. We do not allow
>> conflicting ioremaps to same region. Probably that is happening
>
>Normally if there is a conflict there should be a printk (or 
>at least it was
>so in the original mattr code if you haven't changed it)
>

Yes. Printks are there. But are with KERN_DEBUG now. We should change
them to WARNING atleast.

Thanks,
Venki
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