From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755941AbZEDMKi (ORCPT ); Mon, 4 May 2009 08:10:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753840AbZEDMK3 (ORCPT ); Mon, 4 May 2009 08:10:29 -0400 Received: from mail-ew0-f224.google.com ([209.85.219.224]:57295 "EHLO mail-ew0-f224.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753291AbZEDMK2 convert rfc822-to-8bit (ORCPT ); Mon, 4 May 2009 08:10:28 -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=WO6lWKQ8dV6614EnVQ6zaV6CxGH0ri0xis+t7Aop+vlP9ACzIcTtcPYQHRVUtVMel2 ihEmjWttGt5TB+SKhETQWA6zn6bM2O06CsJ23YlWWgjm/ZxZ+1ARzCTHeOUKIC44ao9u WAEJEcctzHsoZoM4D4bnOz2FnBAhBE+pgKO64= MIME-Version: 1.0 In-Reply-To: <208cbae30904300154n447deedbucbd7c56d2cc90079@mail.gmail.com> References: <208cbae30904190953t58105f13p6e11efca6d6f5322@mail.gmail.com> <200904272335.33060.rjw@sisk.pl> <208cbae30904290621m1fbf7bc5x27fa410a23ada3dc@mail.gmail.com> <200904292147.02441.rjw@sisk.pl> <208cbae30904300154n447deedbucbd7c56d2cc90079@mail.gmail.com> Date: Mon, 4 May 2009 14:10:27 +0200 Message-ID: Subject: Re: [warn_once] warning: at kernel/hrtimer.c:625 hres_timers_resume+0x24/0x38() From: Fabio Comolli To: Alexey Klimov Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Andrew Morton Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: > > > -- > 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/ >