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From: Ingo Molnar <mingo@elte.hu>
To: "Kok, Auke" <auke-jan.h.kok@intel.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
	Miklos Szeredi <miklos@szeredi.hu>,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [BUG] long freezes on thinkpad t60
Date: Fri, 25 May 2007 08:58:58 +0200	[thread overview]
Message-ID: <20070525065858.GA4257@elte.hu> (raw)
In-Reply-To: <46560E04.2090500@intel.com>


* Kok, Auke <auke-jan.h.kok@intel.com> wrote:

> Henrique de Moraes Holschuh wrote:
> >On Thu, 24 May 2007, Miklos Szeredi wrote:
> >>Tried nmi_watchdog=1, but then the machine locks up hard shortly after
> >>boot.
> >
> >NMIs in some thinkpads are bad trouble, they lock up the blasted IBM/Lenovo
> >SMBIOS if they happen to hit it while it is servicing a SMI, and thinkpads
> >do SMIs like crazy.
> 
> there's also a L1 ASPM issue with the e1000 chipset in the way (for 
> T60/X60 only). Make sure you are using 2.6.21 or newer. See netdev 
> archives for more on that.

Miklos is using latest -git and he has nmi_watchdog disabled - still the 
long pauses persist. (i've never seen that on my t60)

	Ingo

      reply	other threads:[~2007-05-25  6:59 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-24 12:04 [BUG] long freezes on thinkpad t60 Miklos Szeredi
2007-05-24 12:54 ` Ingo Molnar
2007-05-24 14:03   ` Miklos Szeredi
2007-05-24 14:10     ` Ingo Molnar
2007-05-24 14:28       ` Miklos Szeredi
2007-05-24 14:42         ` Ingo Molnar
2007-05-24 14:44         ` Ingo Molnar
2007-05-24 17:09           ` Miklos Szeredi
2007-05-24 21:01             ` Ingo Molnar
2007-05-25  9:51               ` Miklos Szeredi
2007-05-24 22:08 ` Henrique de Moraes Holschuh
2007-05-24 22:13   ` Kok, Auke
2007-05-25  6:58     ` Ingo Molnar [this message]

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