Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751052Ab1F1VJv (ORCPT ); Tue, 28 Jun 2011 17:09:51 -0400 Received: from mailout-de.gmx.net ([213.165.64.22]:57305 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750774Ab1F1VJs (ORCPT ); Tue, 28 Jun 2011 17:09:48 -0400 X-Authenticated: #12510340 X-Provags-ID: V01U2FsdGVkX18+jcMuQbE+Ifg+h9ac0TmZeaTLQwORxC3w/I74iz tttAWHFOyvic+W Message-ID: <4E0A4319.6040309@gmx.net> Date: Tue, 28 Jun 2011 23:09:45 +0200 From: Olaf Freyer User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110623 Lightning/1.0b3pre Thunderbird/3.1.11 MIME-Version: 1.0 To: Jesse Barnes CC: Florian Mickler , linux-kernel@vger.kernel.org, Chris Wilson , Keith Packard , dri-devel@lists.freedesktop.org Subject: Re: Erroneous package power limit notification since kernel 2.6.39 References: <4DD9092A.4080507@gmx.net> <20110626182725.3f2eac8d@schatten.dmk.lab> <4E0A3DB1.8000202@gmx.net> <20110628135936.297293b4@jbarnes-desktop> In-Reply-To: <20110628135936.297293b4@jbarnes-desktop> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3994 Lines: 90 Am 28.06.2011 22:59, schrieb Jesse Barnes: > On Tue, 28 Jun 2011 22:46:41 +0200 > Olaf Freyer wrote: > >> Am 26.06.2011 18:27, schrieb Florian Mickler: >>>> Both of my bisection attempts ended near the same set of drm/i915 changes that >>>> resulted in non-bootable kernels. Considering I'm using a Intel(R) Core(TM) >>>> i7-2720QM with some Intel Sandybridge Chipset graphics those might sound >>>> somewhat plausible to someone knowing the internals, but don't help me at all. >>> There are 2 untested commits left. But they don't seem to be relevant. >>> Guessing on those gives me: >>> >>> The first bad commit could be any of: >>> b0b544cd37c060e261afb2cf486296983fcb56da >>> f67a559daaa0e2ba616bfe9438f202bc57bc8c72 >>> 18b2190ca5bd3f19717421b1591c79c9b0372428 >>> 6f06ce184c765fd8d50669a8d12fdd566c920859 >>> 0fc932b8ec36116bb759105ce910b0475e63112a >>> 311bd68e024f9006db66cbadc3bd9f62fd663f4b >>> 040484af3a4efa65786b6e107fbe74747679e17c >>> ccab5c82759e2ace74b2e84f82d1e0eedd932571 >>> aa9b500ddf1a6318e7cf8b1754696edddae86db9 >>> d9b6cb568bc6eca8db88357bf8bbb92d42a91b1e >>> 92f2584a083986c05fc811bbdf380c3fa7c12296 >>> 9a4114ffa7b6f5f4635e3745a8dc051d15d4596a >>> 633f2ea26665d37bb3c8ae30799aa14988622653 >>> 63d7bbe9ded4146e3f78e5742b119fa1fdb52665 >>> 417ae1476de3ae9689a374d70565f41b3474641e >>> ea0760cfc00b9e534423fdaf630d1c8ce7a5ede0 >>> b24e71798871089da1a4ab049db2800afc1aac0c >>> fe4402931e43e81a4129eba41d05cf8907603af5 >>> 65993d64a31844ad444694efb2d159eb9c883e49 >>> c0c06bd244179f754d68684fd87674585a153e40 >>> 01fe9dbde19a1a27b8ee63e2d964562962e1eb78 >>> a37f2f87edc1b6e5932becf6e51535d36b690f2a >>> bdd92c9ad287e03a2ec52f5a89c470cd5caae1c2 >>> >>> >>> >>> I'd guess ccab5c82759e2ace74b2e84f82d1e0eedd932571 could be the >>> cause. Can you check if the appended revert of that commit makes >>> things disappear? >> It seems like you guessed perfectly correct - reverting the commit makes >> those notifications go away at once. >> > Without this reverted you see messages? I missed the earlier stuff, > what message are you seeing? > Since 2.6.39 I saw those as soon as I start up the xserver: May 22 14:41:34 localhost kernel: [ 57.525844] CPU4: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525848] CPU0: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525851] CPU1: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525854] CPU2: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525856] CPU5: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525859] CPU3: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525861] Disabling lock debugging due to kernel taint May 22 14:41:34 localhost kernel: [ 57.525869] CPU6: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.525872] CPU7: Package power limit notification (total events = 1) May 22 14:41:34 localhost kernel: [ 57.536890] CPU1: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536893] CPU4: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536896] CPU2: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536899] CPU3: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536901] CPU5: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536904] CPU0: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536915] CPU6: Package power limit normal May 22 14:41:34 localhost kernel: [ 57.536918] CPU7: Package power limit normal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/