From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [linux-pm] ehci_hcd related S3 lockup on ASUS laptops, again Date: Thu, 19 Apr 2012 12:22:55 -0400 Message-ID: <1334852575.28106.62.camel@gandalf.stny.rr.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alan Stern Cc: Andrey Rahmatullin , jrnieder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, USB list List-Id: linux-pm@vger.kernel.org On Thu, 2012-04-19 at 09:43 -0400, Alan Stern wrote: > On Wed, 18 Apr 2012, Alan Stern wrote: > > > Tomorrow we can try to figure out the appropriate workaround. > > Below is a patch that will prevent any PCI device from being put into > D3 during suspend. (This is meant to be used without any of the > earlier diagnostic patches.) Obviously it's not the final solution; > the test in the "if" statement needs to be more discriminating. :-) > > But before going any farther, I'd like to test if USB wakeup works. > So after booting with this patch, make sure that the power/wakeup file > says "enabled" in the sysfs path for each controller as well as the > usb1, usb2, 1-2, and 2-2 paths under /sys/bus/usb/devices/. > > Then suspend the computer without using the script, and while it is > asleep try plugging in a new USB device. That should cause the > computer to wake up, if everything is working properly. > I removed all previous patches and added this one. But without the script, it locks up again in suspend. I'll rebuild again just to make sure I didn't screw something up. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html