From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: William Lee Irwin III <wli@holomorphy.com>, linux-kernel@vger.kernel.org
Subject: Re: further IO-APIC oddities
Date: Thu, 08 Aug 2002 10:56:28 -0700 [thread overview]
Message-ID: <70720000.1028829388@flay> (raw)
In-Reply-To: <20020808162856.GD6256@holomorphy.com>
> Strange thing happened when I booted the latest x86 discontigmem stuff.
> The stuff where the IO-APIC ID's showed up as zeroed out went away,
> and io_apic.c just bitched about the MPC table entries because it
> doesn't realize that physid's of IO-APIC's mean squat on this box.
>
> *AND* whatever was scribbling over that table & zeroing it out went
> away. That bug is reproducible on more garden variety machines too.
> If someone who knows how to read the IO-APIC map dumps is around,
> I've included the boot log below.
I can kind of read them if I really squint, but what are you trying to see / fix?
> ... from another run, with a printk in apic.c re: mapping the IO-APICs
> turned on:
>
> mapped IOAPIC to ffffd000 (fe800000)
> mapped IOAPIC to ffffc000 (fe801000)
> mapped IOAPIC to ffffb000 (fe840000)
> mapped IOAPIC to ffffa000 (fe841000)
> mapped IOAPIC to ffff9000 (fe880000)
> mapped IOAPIC to ffff8000 (fe881000)
> mapped IOAPIC to ffff7000 (fe8c0000)
> mapped IOAPIC to ffff6000 (fe8c1000)
Looks fine to me ... ?
M.
next prev parent reply other threads:[~2002-08-08 17:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-08 16:28 further IO-APIC oddities William Lee Irwin III
2002-08-08 17:13 ` William Lee Irwin III
2002-08-08 17:56 ` Martin J. Bligh [this message]
2002-08-08 18:07 ` William Lee Irwin III
2002-08-08 18:14 ` Martin J. Bligh
2002-08-08 19:18 ` William Lee Irwin III
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