Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757687AbZFCQn7 (ORCPT ); Wed, 3 Jun 2009 12:43:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755301AbZFCQnw (ORCPT ); Wed, 3 Jun 2009 12:43:52 -0400 Received: from an-out-0708.google.com ([209.85.132.240]:51567 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754301AbZFCQnv convert rfc822-to-8bit (ORCPT ); Wed, 3 Jun 2009 12:43:51 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=vrc9A0bbjYmGKsWotr+2s4ovw5CtdslDjpSD6YbqiD0viQhPZfNKc56Ipoo0x41mTF BAcPfgAYz31EMQ6LFCY2g7oL2kMa74z6nO937rkL1/JpnmtBXzlIl7KYNFqc5DrKG197 E3UrtJ5qcZWLCFkyHsus3irupfE0SD0eCr+zk= MIME-Version: 1.0 In-Reply-To: References: <208cbae30904190953t58105f13p6e11efca6d6f5322@mail.gmail.com> <200904272335.33060.rjw@sisk.pl> <208cbae30904290621m1fbf7bc5x27fa410a23ada3dc@mail.gmail.com> <200904292147.02441.rjw@sisk.pl> <208cbae30904300154n447deedbucbd7c56d2cc90079@mail.gmail.com> Date: Wed, 3 Jun 2009 20:43:52 +0400 Message-ID: <208cbae30906030943i7120fb4dq9df62b26f6ffc0b2@mail.gmail.com> Subject: Re: [warn_once] warning: at kernel/hrtimer.c:625 hres_timers_resume+0x24/0x38() From: Alexey Klimov To: Fabio Comolli Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Andrew Morton Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3185 Lines: 92 Hello, On Mon, May 4, 2009 at 4:10 PM, Fabio Comolli wrote: > I see the same message with 2.6.29.2 on a laptop with the same CPU > model also with cpufreq_ondemand. > > In my case the first hibernate attempt gives the message and succeeds. > The system resumes ok. > > A further hibernation/resume cycle results in a hang (power cycle required). > > It' probably a regression wrt 2.6.28.7 (I'm not sure because with the > version upgrade I ?also changed my DRI driver from fglrx to radeon and > also the X.org userspace). > > Regards, > Fabio > > On Thu, Apr 30, 2009 at 10:54 AM, Alexey Klimov wrote: >> Hello, Rafael >> >> On Wed, Apr 29, 2009 at 11:47 PM, Rafael J. Wysocki wrote: >>> On Wednesday 29 April 2009, Alexey Klimov wrote: >>>> Hello, >>>> >>>> On Tue, Apr 28, 2009 at 1:35 AM, Rafael J. Wysocki wrote: >>>> > On Sunday 19 April 2009, Alexey Klimov wrote: >>>> >> Hello all >>>> >> When testing behaviour of radio-mr800 drvier when doing suspend/resume >>>> >> to disk, using echo disk > /sys/power/state i have such warning in >>>> >> dmesg(see below please). >>>> >> Kernel is 30-rc2, up-to-date. If you need more information, feel free to ask. >>>> > >>>> > Can you please retest with the appended patch applied and report back? >>>> >>>> Of course. I applied your patch against up-to-date sources (30-rc3), >>>> and have more messages after resume: >>> >>> Thanks! >>> >>>> ACPI: Preparing to enter system sleep state S4 >>>> PM: Saving platform NVS memory >>>> ------------[ cut here ]------------ >>>> WARNING: at drivers/base/sys.c:405 sysdev_suspend+0xb6/0x21c() >>>> Hardware name: TravelMate 2350 >>>> Interrupts enabled after cpufreq_suspend+0x0/0x113 >>> >>> Well, it looks like cpufreq_suspend() left us with interrupts enabled and >>> that caused the other warnings to be printed. ?Not nice. >>> >>> What CPU is there in your box? >>> >>> Rafael >> >> Yes, cpufreq_ondemand enabled. It's 1.7 GHz pentium-m. The lowest >> frequency is 600 MHz. >> Here is my /proc/cpuinfo: >> >> processor ? ? ? : 0 >> vendor_id ? ? ? : GenuineIntel >> cpu family ? ? ?: 6 >> model ? ? ? ? ? : 13 >> model name ? ? ?: Intel(R) Pentium(R) M processor 1.70GHz >> stepping ? ? ? ?: 6 >> cpu MHz ? ? ? ? : 600.000 >> cache size ? ? ?: 2048 KB >> fdiv_bug ? ? ? ?: no >> hlt_bug ? ? ? ? : no >> f00f_bug ? ? ? ?: no >> coma_bug ? ? ? ?: no >> fpu ? ? ? ? ? ? : yes >> fpu_exception ? : yes >> cpuid level ? ? : 2 >> wp ? ? ? ? ? ? ?: yes >> flags ? ? ? ? ? : fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca >> cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe bts est tm2 >> bogomips ? ? ? ?: 1198.79 >> clflush size ? ?: 64 >> power management: FYI: This warning still present in latest 2.6.30-rc8. I tried to find the problem but failed. Probably, someone experienced developer can help here and find the problem. -- Best regards, Klimov Alexey -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/