From: Grant Grundler <grundler@cup.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Re: Boot hangs "Probing PCI hardware"
Date: Sat, 06 Apr 2002 01:12:04 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905400@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905390@msgid-missing>
=?iso-2022-jp?B?IhskQkRhQG4hIUMjTGkbKEIi?= wrote:
...
> In this case, the video device gets 64MB memory space from 0xFC000000 to
> 0xFFFFFFFF improperly, and it conflicts with System reserve region
> (0xFCxxxxxx - 0xFExxxxxx) for SAPIC interrupt messages. After that
> the video device reacts to an SAPIC interrupt improperly.
Martin, et al,
I also believe this is a problem.
I just haven't seen it because I'm always using serial console.
This problem might also exist on x86 Foster CPU as well.
The new x86 CPU also uses IO-xAPIC and Local xAPIC.
I don't have access to a physical memory map of such a box
to confirm it though.
I don't believe this is a problem on HP parisc (also uses
IO-SAPIC) because of how PCI address routing works.
grant
prev parent reply other threads:[~2002-04-06 1:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-05 10:36 [Linux-ia64] Re: Boot hangs "Probing PCI hardware" "鶴川 達也"
2002-04-06 1:12 ` Grant Grundler [this message]
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