From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Subject: Re: 3.0.0-1-rt-amd64: Suspend hangs Date: Thu, 29 Sep 2011 21:31:18 +0200 Message-ID: <20110929193118.GJ6949@pengutronix.de> References: <20110930010128.ede515e66ed1a331ad625a2a@johnohagan.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-rt-users@vger.kernel.org, Jonathan Nieder To: johnohagan Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:42182 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757381Ab1I2TbV (ORCPT ); Thu, 29 Sep 2011 15:31:21 -0400 Content-Disposition: inline In-Reply-To: <20110930010128.ede515e66ed1a331ad625a2a@johnohagan.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, Sep 30, 2011 at 01:01:28AM +1000, johnohagan wrote: > Running Debian testing on an HP Mini 5102 with non-RT kernel, suspend > to ram, suspend to disk and resume work as expected. With the RT > kernels from both testing and Sid, attempting to suspend may result i= n =46or the people not running Debian: wheezy aka testing currently has 3.0.2 + 3.0.1-rt11 sid aka unstable currently has 3.0.4-rt14 > a lock-up, with a blank screen and high fan operation. Keyboard and > Sysrq keys are unresponsive and a hard shutdown is necessary. This > happens randomly AFAIKT, of the order of half the time, possibly more > often if larger programs are running, but still occurs in single-user > mode. >=20 > I ran the tests using /sys/power/pm_test described here: > https://raw.github.com/torvalds/linux/master/Documentation/power/basi= c-pm-debugging.txt >=20 > The freeze occurs with pm_test set to "processors", but not with "pla= tform".=20 >=20 > With "single no_console_suspend" on the kernel command-line and tryin= g > STD, the screen messages are normal up to the point of saving the > image, and remain there after the freeze. For STR the screen is blank > when the freeze happens. >=20 > There is one tainted module on my system, brcmsmac, which I > blacklisted for the testing. >=20 > I've submitted this as Debian bug #643301, and am sending this summar= y > here on the advice of Debian maintainers. I asked for a kernel log on a serial console (don't know if that is possible for John to provide). If you have other tips to debug that ... Best regards Uwe --=20 Pengutronix e.K. | Uwe Kleine-K=F6nig = | Industrial Linux Solutions | http://www.pengutronix.de/= | -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html