From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Fisher Subject: PM: resume devices took 9.176 seconds Date: Mon, 06 Jul 2009 18:21:15 +0200 Message-ID: <4A52247B.4040204@fisher-privat.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Linux Kernel Mailing List , Kernel Testers List , David Brownell , Ingo Molnar Hallo all, it testing a lot git tree especially suspend and resume. With my new Intel DG45ID board i get always this trace: ============================================ [ 176.763922] PM: resume devices took 9.176 seconds [ 176.763924] ------------[ cut here ]------------ [ 176.763930] WARNING: at kernel/power/suspend_test.c:52 suspend_test_finish+0x7c/0x80() [ 176.763932] Hardware name: [ 176.763933] Component: resume devices [ 176.763934] Modules linked in: binfmt_misc kvm_intel kvm snd_hda_codec_intelhdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd psmouse iTCO_wdt iTCO_vendor_support serio_raw e1000e soundcore snd_page_alloc [ 176.763952] Pid: 4180, comm: bash Not tainted 2.6.31-rc1-25446-g1ae8c0a-dirty #3 [ 176.763953] Call Trace: [ 176.763958] [] warn_slowpath_common+0x78/0xb0 [ 176.763961] [] warn_slowpath_fmt+0x3c/0x40 [ 176.763964] [] suspend_test_finish+0x7c/0x80 [ 176.763966] [] suspend_devices_and_enter+0xb1/0x210 [ 176.763969] [] enter_state+0x12a/0x150 [ 176.763971] [] state_store+0x91/0x100 [ 176.763974] [] kobj_attr_store+0x17/0x20 [ 176.763978] [] sysfs_write_file+0xe0/0x160 [ 176.763981] [] vfs_write+0xb8/0x1a0 [ 176.763984] [] ? filp_close+0x58/0x90 [ 176.763987] [] sys_write+0x4c/0x80 [ 176.763991] [] system_call_fastpath+0x16/0x1b [ 176.763993] ---[ end trace 50ea4941e30c27fd ]--- [ 176.766367] PM: Finishing wakeup. [ 176.766369] Restarting tasks ... done. ============================================================ this is related with the commit: commit 77437fd4e61f87cc94d9314baa5cbf50e3ccdf54 Author: David Brownell Date: Wed Jul 23 21:28:33 2008 -0700 probobly it's depend on this message: [ 173.076075] ata1: link is slow to respond, please be patient (ready=0) so it's looks normal for this board and harddrive. I think it should be some way to change default TEST_SUSPEND_SECONDS by .config or kernel-parameter. I changed default settings to 10 in kernel/power/suspend_test.c but this is not the way it should be done. Thenks Alexey