From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lan Tianyu Subject: Re: Question about runtime pm status issue Date: Mon, 29 Oct 2012 22:52:15 +0800 Message-ID: <508E981F.1030706@gmail.com> References: <508E889C.6070009@gmail.com> <508E95FA.5070906@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:65220 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753071Ab2J2Owm (ORCPT ); Mon, 29 Oct 2012 10:52:42 -0400 Received: by mail-pb0-f46.google.com with SMTP id rr4so4313081pbb.19 for ; Mon, 29 Oct 2012 07:52:42 -0700 (PDT) In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Ming Lei Cc: Alan Stern , "Rafael J. Wysocki" , Linux-pm mailing list On 2012=E5=B9=B410=E6=9C=8829=E6=97=A5 22:50:37, Ming Lei wrote: > On Mon, Oct 29, 2012 at 10:43 PM, Lan Tianyu wrote: > >> I have umount the disk and there is no user of the device since its >> usage_count >> become zero. > > Looks runtime PM of usb mass storage works well on my box with > 3.7.0-rc3-next-20121029, maybe you can enable trace event on > runtime PM to see what happened. > Ok. Thanks. > > Thanks -- Best regards Tianyu Lan