From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@osdl.org>
Cc: Miroslaw Mieszczak <mirek@mieszczak.com.pl>,
linux-kernel@vger.kernel.org,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Seth, Rohit" <rohit.seth@intel.com>
Subject: Re: [2.6] Problem with PDC20265 on system with I865 chipset and PIV HT
Date: Sat, 14 Jan 2006 07:48:36 +0100 [thread overview]
Message-ID: <20060114064836.GB9699@elte.hu> (raw)
In-Reply-To: <20060113001618.66821fcb.akpm@osdl.org>
* Andrew Morton <akpm@osdl.org> wrote:
> That's oopsing when trying to write to the APIC:
>
> apic_write_around(APIC_EOI, 0);
>
> <cc's x86 people>
>
> Is there any sane way in which APIC accesses can fault, or does this
> indicate bad hardware?
no - the local APIC in that context is like ordinary memory. If there's
fault, it must be the pagetables.
perhaps the "data corruption and system crash" mentioned in the report
corrupted kernel pagetables?
Ingo
prev parent reply other threads:[~2006-01-14 6:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 22:39 [2.6] Problem with PDC20265 on system with I865 chipset and PIV HT Miroslaw Mieszczak
2006-01-13 8:16 ` Andrew Morton
2006-01-13 17:14 ` Zwane Mwaikambo
2006-01-15 19:18 ` Miroslaw Mieszczak
2006-01-14 6:48 ` Ingo Molnar [this message]
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