Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756696Ab1FPJio (ORCPT ); Thu, 16 Jun 2011 05:38:44 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:53789 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751696Ab1FPJin convert rfc822-to-8bit (ORCPT ); Thu, 16 Jun 2011 05:38:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=WkpYD98opLSqvqb+mWdWQ/zadCoX+avWl4cdJS3ZHE+tUoBCs+1/QoQFlvoEtBWYN5 aCA1CL0O8VryJ1VCKy/sxGNiTfUUcKKqPKQ7rdStyhxlDt/9F9Fyv77JTAzeTzouSa8i BRst73y43iQSqs/24kaf+0Y27DFbEvvzng7rI= MIME-Version: 1.0 In-Reply-To: References: <20110616110256.0890dd37@susi.home.s3e.de> Date: Thu, 16 Jun 2011 11:38:41 +0200 Message-ID: Subject: Re: 3.0-rc2: mei breaks suspend From: Maarten Lankhorst To: Stefan Seyfried Cc: linux-kernel@vger.kernel.org, Oren Weil Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1280 Lines: 34 2011/6/16 Maarten Lankhorst : > Hi Stefan, > > 2011/6/16 Stefan Seyfried : >> Hi, >> >> having the "mei" driver loaded, which happened automatically on my >> ThinkPad X200s, successfully prevents any suspend efforts: >> >> [39736.728116] pci_pm_suspend(): mei_pci_suspend+0x0/0xc0 [mei] returns 9999 >> >> The code has not changed since 3.0-rc2, so I did not try compiling latest >> git. >> >> Jiri Slaby hinted that this code in drivers/staging/mei/wd.c is to blame: >> >> 169         ret = wait_event_interruptible_timeout(dev->wait_stop_wd, >> 170                                         dev->wd_stopped, 10 * HZ); >> >> I am, however, not familiar enough with timers and stuff to immediately >> spot the problem. >> >> Removing the module before suspend is a workaround. >> >> This could be considered a regression, as suspend worked very well before >> this driver was introduced :-) Nm, stupid suggestion. Adding the author to cc, maybe he knows. -- 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/