From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bn1lp0145.outbound.protection.outlook.com ([207.46.163.145]:40635 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752609AbaFYNCL (ORCPT ); Wed, 25 Jun 2014 09:02:11 -0400 Date: Wed, 25 Jun 2014 20:46:36 +0800 From: Shawn Guo To: Shawn Guo CC: Fabio Estevam , Richard Zhu , "linux-pci@vger.kernel.org" , Sascha Hauer , Bjorn Helgaas , "linux-arm-kernel@lists.infradead.org" , Lucas Stach , Stephen Warren Subject: Re: The imx6q suspend/resume is broken on 3.16-rc due to PCIe Message-ID: <20140625124635.GA6917@dragon> References: <20140624153559.GA5741@dragon> <20140625062243.GD3242@dragon> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <20140625062243.GD3242@dragon> Sender: linux-pci-owner@vger.kernel.org List-ID: On Wed, Jun 25, 2014 at 02:22:44PM +0800, Shawn Guo wrote: > On Tue, Jun 24, 2014 at 04:37:19PM -0300, Fabio Estevam wrote: > > On Tue, Jun 24, 2014 at 12:36 PM, Shawn Guo wrote: > > > Hi Lucas, > > > > > > I found that imx6q suspend/resume is broken on 3.16-rc, and it works > > > just fine if PCIe support is built out. However the issue was not > > > exposed on 3.15, so I suspect the PCIe driver change merged in 3.16 > > > is part of the cause. > > > > I have just tested this on linux-next and I see that suspend/resume > > fails even if I build a kernel without PCI support. > > Please test against v3.16-rc1 or -rc2. The breakage on linux-next > should be another issue. Yeah, the issue on linux-next is caused by commit 478850160636 (irq_work: Implement remote queueing). And Stephen reported the issue as below. https://lkml.org/lkml/2014/6/24/765 Shawn