Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755280AbYHGX2r (ORCPT ); Thu, 7 Aug 2008 19:28:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752900AbYHGX2g (ORCPT ); Thu, 7 Aug 2008 19:28:36 -0400 Received: from mu-out-0910.google.com ([209.85.134.185]:35833 "EHLO mu-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752336AbYHGX2e (ORCPT ); Thu, 7 Aug 2008 19:28:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=jPui+Jswz5GD8ZrQ1yKwAeZIpHNh/E56PCp+W1nIFHhz4vWazlsiUBvBuoIwuorj/r 3DSgq2mVG5DxvkzD4YD+kDiVmzSIy2HLtnQatLC7QZQ4PNhyVVqADF80YXOF4tH0Bfax sB0gLkemhgu78r+OXXmjfaeFsRSXdbrrfEuKY= Date: Fri, 8 Aug 2008 02:28:20 +0300 From: "Michael S. Tsirkin" To: "Rafael J. Wysocki" , LKML , linux-pci@vger.kernel.org, matthew@wil.cx, jbarnes@virtuousgeek.org Subject: T60p not coming out of suspend to RAM since 2.6.27-rc1 Message-ID: <20080807232819.GA7984@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1364 Lines: 38 In both 2.6.27-rc1 and 2.6.27-rc2, my laptop won't come out of suspend to ram: it blinks the crescent one or twice, and hangs. It does resume fine under 2.6.26. I bisected the problem and got the following commit: commit ce6fce4295ba727b36fdc73040e444bd1aae64cd Author: Matthew Wilcox Date: Fri Jul 25 15:42:58 2008 -0600 PCI MSI: Don't disable MSIs if the mask bit isn't supported David Vrabel has a device which generates an interrupt storm on the INTx pin if we disable MSI interrupts altogether. Masking interrupts is only a performance optimisation, so we can ignore the request to mask the interrupt. Signed-off-by: Matthew Wilcox Signed-off-by: Jesse Barnes Reverting ce6fce4295ba727b36fdc73040e444bd1aae64cd fixes resume from suspend to RAM for me. Steps to reproduce: Press Fn-F4 to suspend, press Fn to resume. This works on 2.6.26, hangs on vanilla 2.6.27-rc1 and 2.6.27-rc2, works on 2.6.27-rc2 with reverted ce6fce.. Bug added to bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=11283 -- MST -- 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/