From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: ehci_hcd related S3 lockup on ASUS laptops, again Date: Thu, 12 Apr 2012 12:52:21 -0400 Message-ID: <1334249541.23924.338.camel@gandalf.stny.rr.com> References: <20120412153750.GA12852@belkar.wrar.name> <20120412164903.GB12852@belkar.wrar.name> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120412164903.GB12852@belkar.wrar.name> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Andrey Rahmatullin Cc: jrnieder@gmail.com, Greg KH , linux-pm@lists.linux-foundation.org, USB list List-Id: linux-pm@vger.kernel.org On Thu, 2012-04-12 at 22:49 +0600, Andrey Rahmatullin wrote: > On Thu, Apr 12, 2012 at 12:09:00PM -0400, Alan Stern wrote: > > > > Here's a diagnostic patch that will give us a little more information. > > > > Keep the previous change (so that pci_prepare_to_sleep gets called > > > > whether ehci-hcd is bound or not) and let's see what it says. Try > > > > doing it both with and without ehci-hcd bound. Running this with "echo > > > > devices >/sys/power/pm_test" ought to be good enough. > > > I don't see that line with ehci_hcd both bound and unbound and both in > > > 'devices' test and in a real S3. > > > > You mean the new dev_info message did not appear at all? Is > > pci_prepare_to_sleep getting called properly? Or does the routine exit > > early because target_state is equal to PCI_POWER_ERROR? > Either dev_info is silenced on my system or pci_pm_suspend_noirq is not > called during the 'devices' pm test. > Did you undo the original change that removed the call to pci_prepare_to_sleep()? -- Steve