From: Peter Zijlstra <peterz@infradead.org>
To: sedat.dilek@gmail.com
Cc: Don Zickus <dzickus@redhat.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86, perf, nmi: Disable perf if counters are not accessable
Date: Tue, 23 Nov 2010 19:27:07 +0100 [thread overview]
Message-ID: <1290536827.2072.417.camel@laptop> (raw)
In-Reply-To: <AANLkTimsz2XWQq7bJ4uhWXhoPuQw-fSJbCJ6D6Xo69XM@mail.gmail.com>
On Tue, 2010-11-23 at 19:21 +0100, Sedat Dilek wrote:
> Due to BIOS l(ocal)apic is not possible:
>
> # dmesg | grep -i apic
> [ 0.000000] Using APIC driver default
> [ 0.000000] Local APIC disabled by BIOS -- you can enable it with "lapic"
> [ 0.000000] APIC: disable apic facility
> [ 0.000000] APIC: switched to apic NOOP
> [ 0.008891] no APIC, boot with the "lapic" boot parameter to force-enable it.
> [ 0.036141] Local APIC not detected. Using dummy APIC emulation.
Have you tried booting with "lapic" as the second last msg suggests you
do?
next prev parent reply other threads:[~2010-11-23 18:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-23 15:15 [PATCH] x86, perf, nmi: Disable perf if counters are not accessable Sedat Dilek
2010-11-23 15:19 ` Peter Zijlstra
2010-11-23 16:56 ` Don Zickus
2010-11-23 18:21 ` Sedat Dilek
2010-11-23 18:27 ` Peter Zijlstra [this message]
2010-11-23 18:29 ` Sedat Dilek
2010-11-23 18:37 ` Sedat Dilek
2010-11-23 19:04 ` Cyrill Gorcunov
2010-11-23 19:07 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2010-11-23 19:18 Cyrill Gorcunov
2010-11-22 21:55 Don Zickus
2010-11-23 10:46 ` Peter Zijlstra
2010-11-23 14:13 ` Don Zickus
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