From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752592AbbBXH72 (ORCPT ); Tue, 24 Feb 2015 02:59:28 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:27644 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751253AbbBXH7Z (ORCPT ); Tue, 24 Feb 2015 02:59:25 -0500 X-AuditID: cbfec7f4-b7f126d000001e9a-b4-54ec2eca2323 Message-id: <1424764762.2877.3.camel@AMDC1943> Subject: Re: [RESEND PATCH] ARM: EXYNOS: Fix failed second suspend on Exynos4 From: Krzysztof Kozlowski To: Chanwoo Choi Cc: Kukjin Kim , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Kyungmin Park , Marek Szyprowski , stable@vger.kernel.org Date: Tue, 24 Feb 2015 08:59:22 +0100 In-reply-to: <54EBE43C.1020901@samsung.com> References: <1424256325-16659-1-git-send-email-k.kozlowski@samsung.com> <54EBE43C.1020901@samsung.com> Content-type: text/plain; charset=UTF-8 X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-version: 1.0 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDLMWRmVeSWpSXmKPExsVy+t/xy7qn9N6EGHROtbC4/uU5q0X/49fM Fmeb3rBbbHp8jdXi8q45bBYzzu9jslh75C67xYKNjxgdODw2repk89i8pN6jb8sqRo/Pm+QC WKK4bFJSczLLUov07RK4Mv5cXMFe8Ji1YtLWNawNjNdYuhg5OSQETCR27l/CCmGLSVy4t56t i5GLQ0hgKaNEx9GZYAkhgc+MEl1z+UBsXgE9ibZL15hBbGEBX4knt5rBBrEJGEtsXr6EDcQW EdCQmPn3CiPIIGaBf4wSX+buYwRJsAioSkx9PQ9sKKeAtsS21x+gFmRIvD96DKyGWUBdYtK8 RUALOIAuUpZo7HeD2Cso8WPyPRaIEnmJzWveMk9gFJiFpGMWkrJZSMoWMDKvYhRNLU0uKE5K zzXUK07MLS7NS9dLzs/dxAgJ8S87GBcfszrEKMDBqMTD+6DsVYgQa2JZcWXuIUYJDmYlEd60 p69DhHhTEiurUovy44tKc1KLDzEycXBKNTDGLHq5q8q2SrxapFb0oWsr96NlO77G35e++5H/ 6V+fo3eS5KNd+G51qqbGHoicvr00ql7Cc67TPferuv5PVvmvq5V3W3Gscbp3TUZp24v0s3ru XL+3nG+s/yPiyC3xuOJT6urdH+bm7ZKevJN7r2MQq8wXrXY+u58Ca5522v5/0ifkE6C27qsS S3FGoqEWc1FxIgA963J2TwIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On wto, 2015-02-24 at 11:38 +0900, Chanwoo Choi wrote: > Hi Krzysztof, > > I tested this patch for suspend-to-ram on Exynos4412-based trats2 board. > When I tested suspend-to-ram repetitively, I faced on hang issue of > suspend-to-ram for Exynos4 as before. > > Could you send .config file for test? I am testing on exynos_defconfig with some stuff enabled (nothing special: regulators, chargers, PM_ADVANCED_DEBUG, extcon etc.). However sometimes I also see hangs related to MMC. But I believe this issue is present for some time and is not related to my DELAYED_RESET_ASSERTION changes. Maybe you could try to boot with "no_console_suspend loglevel=7" and see when the suspend fails? Best regards, Krzysztof