From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: More cpufreq breakage Date: Sat, 23 Mar 2013 14:45:42 +0100 Message-ID: <20130323134541.GA10811@pd.tnic> References: <20130319074953.C200811FB80@bugzilla.kernel.org> <3039053.c3U9fYsQRn@vostro.rjw.lan> <20130322151228.GH30807@pd.tnic> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1364046346; bh=rOexG8jnNJ12YZTFzQp3g0f6G0nBosXnxefqJH5mZmY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:In-Reply-To; b=ORCcQLzpfvRog86k0v6bOaUV7kYgFuoCxcoNmz PRwr/HXJjFkMqYvOpuPTCV8st1gtlFx8SWf0RLspsvWmI8h6EofwIPx/88KCQq3LdAS Wegk1uTdvg/SWgVi0WWt/g3C35ybDXYjfrDYQSB9QcnD2tzfA6I+dmYCc3n/yZO5AI= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1364046345; bh=rOexG8jnNJ12YZTFzQp3g0f6G0nBosXnxefqJH5mZmY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:In-Reply-To; b=bfQbzzr1m1uTSZaeRYSWhlCBcedZt8cN+mjj96 hWwHOUC6eFimv+hWMHrR1vq1FMZwNzlpdWQrlD4XQeCTwGeIx6J6ttcXagUji7ldcce GDfsXs2FrVeYVByu36ge77FmkuwWLN16+Ed7wa+VUrVzeDZKsjxtVvDJIXCBqmqGuA= Content-Disposition: inline In-Reply-To: Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Viresh Kumar Cc: "Rafael J. Wysocki" , bugzilla-daemon@bugzilla.kernel.org, Andre Przywara , 1i5t5.duncan@cox.net, cpufreq@vger.kernel.org, Lists linaro-kernel , Thomas Renninger On Fri, Mar 22, 2013 at 09:52:29PM +0530, Viresh Kumar wrote: > What does "?" mean before a functions name in trace? http://stackoverflow.com/questions/13113384/the-meaning-of-in-linux-kernel-panic-call-trace Here's what's in dmesg before that (basically the machine is hibernating): Mar 20 10:14:40 pd vmunix: [34172.600018] PM: Syncing filesystems ... done. Mar 20 10:14:40 pd vmunix: [34172.606180] Freezing user space processes ... (elapsed 0.01 seconds) done. Mar 20 10:14:40 pd vmunix: [34172.620559] PM: Preallocating image memory... done (allocated 573862 pages) Mar 20 10:14:40 pd vmunix: [34173.370592] PM: Allocated 2295448 kbytes in 0.75 seconds (3060.59 MB/s) Mar 20 10:14:40 pd vmunix: [34173.370615] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. Mar 20 10:14:40 pd vmunix: [34173.388082] serial 00:09: disabled Mar 20 10:14:40 pd vmunix: [34173.388117] serial 00:09: System wakeup disabled by ACPI Mar 20 10:14:40 pd vmunix: [34173.695941] PM: freeze of devices complete after 311.852 msecs Mar 20 10:14:40 pd vmunix: [34173.696673] PM: late freeze of devices complete after 0.722 msecs Mar 20 10:14:40 pd vmunix: [34173.698914] PM: noirq freeze of devices complete after 2.234 msecs Mar 20 10:14:40 pd vmunix: [34173.698932] Disabling non-boot CPUs ... Mar 20 10:14:40 pd vmunix: [34173.703351] smpboot: CPU 1 is now offline Mar 20 10:14:40 pd vmunix: [34173.708298] smpboot: CPU 2 is now offline Mar 20 10:14:40 pd vmunix: [34173.712056] smpboot: CPU 3 is now offline Mar 20 10:14:40 pd vmunix: [34173.717512] smpboot: CPU 4 is now offline Mar 20 10:14:40 pd vmunix: [34173.722044] smpboot: CPU 5 is now offline Mar 20 10:14:40 pd vmunix: [34173.728418] smpboot: CPU 6 is now offline Mar 20 10:14:40 pd vmunix: [34173.731577] smpboot: CPU 7 is now offline Mar 20 10:14:40 pd vmunix: [34173.732828] PM: Creating hibernation image: Mar 20 10:14:40 pd vmunix: [34174.371451] PM: Need to copy 596216 pages Mar 20 10:14:40 pd vmunix: [34173.879106] Enabling non-boot CPUs ... Mar 20 10:14:40 pd vmunix: [34173.879171] SMP alternatives: lockdep: fixing up alternatives Mar 20 10:14:40 pd vmunix: [34173.879182] smpboot: Booting Node 0 Processor 1 APIC 0x11 Mar 20 10:14:40 pd vmunix: [34173.890627] LVT offset 0 assigned for vector 0x400 Mar 20 10:14:40 pd vmunix: [34173.893305] ------------[ cut here ]------------ Mar 20 10:14:40 pd vmunix: [34173.893321] WARNING: at kernel/mutex.c:199 mutex_lock_nested+0x39c/0x3b0() Mar 20 10:14:40 pd vmunix: [34173.893328] Hardware name: To be filled by O.E.M. Mar 20 10:14:40 pd vmunix: [34173.893333] Modules linked in: nls_iso8859_15 nls_cp437 fuse tun cpufreq_powersave cpufreq_userspace cpufreq_stats cpufreq_conservative dm_crypt dm_mod ipv6 vfat fat acpi_cpufreq mperf kvm_amd kvm crc32_pclmul aesni_intel aes_x86_64 ablk_helper cryptd xts lrw gf128mul microcode radeon amd64_edac_mod edac_core k10temp fam15h_power drm_kms_helper ttm cfbfillrect cfbimgblt r8169 cfbcopyarea Mar 20 10:14:40 pd vmunix: [34173.893395] Pid: 15316, comm: kworker/0:0 Not tainted 3.9.0-rc3 #1 Mar 20 10:14:40 pd vmunix: [34173.893402] Call Trace: Mar 20 10:14:40 pd vmunix: [34173.893409] [] warn_slowpath_common+0x7f/0xc0 Mar 20 10:14:40 pd vmunix: [34173.893417] [] warn_slowpath_null+0x1a/0x20 Mar 20 10:14:40 pd vmunix: [34173.893424] [] mutex_lock_nested+0x39c/0x3b0 Mar 20 10:14:40 pd vmunix: [34173.893432] [] ? cpufreq_governor_dbs+0x3bd/0x560 Mar 20 10:14:40 pd vmunix: [34173.893441] [] ? __blocking_notifier_call_chain+0x7d/0xd0 Mar 20 10:14:40 pd vmunix: [34173.893449] [] ? cpufreq_governor_dbs+0x3bd/0x560 Mar 20 10:14:40 pd vmunix: [34173.893457] [] ? get_parent_ip+0x11/0x50 Mar 20 10:14:40 pd vmunix: [34173.893464] [] ? sub_preempt_count+0x79/0xd0 Mar 20 10:14:40 pd vmunix: [34173.893472] [] cpufreq_governor_dbs+0x3bd/0x560 Mar 20 10:14:40 pd vmunix: [34173.893480] [] od_cpufreq_governor_dbs+0x1a/0x20 Mar 20 10:14:40 pd vmunix: [34173.893487] [] __cpufreq_governor+0x53/0xf0 Mar 20 10:14:40 pd vmunix: [34173.893494] [] __cpufreq_set_policy+0x155/0x180 Mar 20 10:14:40 pd vmunix: [34173.893502] [] cpufreq_update_policy+0xf3/0x130 Mar 20 10:14:40 pd vmunix: [34173.893510] [] ? cpufreq_update_policy+0x130/0x130 Mar 20 10:14:40 pd vmunix: [34173.893519] [] handle_update+0x11/0x20 Mar 20 10:14:40 pd vmunix: [34173.893526] [] process_one_work+0x1f7/0x670 Mar 20 10:14:40 pd vmunix: [34173.893533] [] ? process_one_work+0x18c/0x670 Mar 20 10:14:40 pd vmunix: [34173.893541] [] worker_thread+0x10e/0x370 Mar 20 10:14:40 pd vmunix: [34173.893548] [] ? rescuer_thread+0x240/0x240 Mar 20 10:14:40 pd vmunix: [34173.893556] [] kthread+0xdb/0xe0 Mar 20 10:14:40 pd vmunix: [34173.893563] [] ? finish_task_switch+0x85/0x110 Mar 20 10:14:40 pd vmunix: [34173.893572] [] ? __init_kthread_worker+0x70/0x70 Mar 20 10:14:40 pd vmunix: [34173.893579] [] ret_from_fork+0x7c/0xb0 Mar 20 10:14:40 pd vmunix: [34173.893587] [] ? __init_kthread_worker+0x70/0x70 Mar 20 10:14:40 pd vmunix: [34173.893594] ---[ end trace 66f5addf492b41b2 ]--- HTH. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --