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From: Andi Kleen <andi@firstfloor.org>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: the arch/x86 maintainers <x86@kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0()
Date: Wed, 20 Aug 2008 03:39:30 +0200	[thread overview]
Message-ID: <20080820013930.GN9807@one.firstfloor.org> (raw)
In-Reply-To: <19f34abd0808191251x4eb61c50n13ecf7c90f0f3d9f@mail.gmail.com>

On Tue, Aug 19, 2008 at 09:51:44PM +0200, Vegard Nossum wrote:
> Hi,
> 
> With latest -git (1fca25427482387689fa27594c992a961d98768f), I got
> this on reading from /dev/cpu/*/* while hot-unplugging cpu1.

It's generally known the oprofile doesn't support CPU hotplug well.
Someone needs to make a project out of fixing it properly. Right now
it's just a "don't do that when it hurts"

-Andi


  reply	other threads:[~2008-08-20  1:37 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-19 19:51 latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0() Vegard Nossum
2008-08-20  1:39 ` Andi Kleen [this message]
2008-08-20  6:26   ` Vegard Nossum
2008-08-22  0:36     ` Dave Jones
2008-08-22  2:13       ` H. Peter Anvin
2008-08-22  2:28         ` Andi Kleen
2008-08-22  6:24           ` H. Peter Anvin
2008-08-22  9:35             ` Andi Kleen
2008-08-22 16:41               ` H. Peter Anvin
2008-08-23  6:42                 ` Jeremy Fitzhardinge
2008-08-23  6:44                   ` H. Peter Anvin
2008-08-22 11:13           ` adobriyan
2008-08-24  9:20         ` Vegard Nossum
2008-08-24 16:43           ` H. Peter Anvin
2008-08-24 17:17           ` H. Peter Anvin
2008-08-24 17:22             ` Vegard Nossum
2008-08-24 17:45               ` Vegard Nossum
2008-08-24 17:59                 ` H. Peter Anvin
2008-08-24 18:13                 ` Dave Jones
2008-08-25 18:31                   ` Vegard Nossum
2008-08-25 18:38                     ` Dave Jones
2008-08-25 18:36                   ` Andi Kleen
2008-08-25 18:54                     ` Dave Jones
2008-08-25 19:39                       ` Andi Kleen
2008-08-25 19:50                         ` Dave Jones
2008-08-25 20:36                           ` Andi Kleen
2008-08-25 20:47                             ` Dave Jones
2008-08-25 21:24                               ` Arjan van de Ven
2008-08-25 19:08                     ` H. Peter Anvin
2008-08-25 19:13                       ` Dave Jones

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