From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752603Ab3LMQHO (ORCPT ); Fri, 13 Dec 2013 11:07:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:4883 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751584Ab3LMQHM (ORCPT ); Fri, 13 Dec 2013 11:07:12 -0500 Date: Fri, 13 Dec 2013 10:09:59 -0500 From: Dave Jones To: daniel.vetter@ffwll.ch Cc: intel-gfx@lists.freedesktop.org, Linux Kernel Subject: 'power well on' trace in Linus current tree. Message-ID: <20131213150959.GA28763@redhat.com> Mail-Followup-To: Dave Jones , daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, Linux Kernel MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I left this on overnight, and this morning this was in the log. Dave WARNING: CPU: 1 PID: 131 at drivers/gpu/drm/i915/intel_display.c:6309 hsw_enable_pc8_work+0x6a9/0x6d0() Power well on Modules linked in: tun hidp bnep rfcomm can_raw can_bcm caif_socket caif phonet af_rxrpc bluetooth can llc2 pppoe pppox ppp_generic slhc af_key rose netrom snd_seq_dummy ipt_ULOG nfnetlink nfc af_802154 irda crc_ccitt rds scsi_transport_iscsi x25 atm appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill snd_hda_codec_hdmi xfs snd_hda_codec_realtek snd_hda_intel snd_hda_codec coretemp snd_hwdep hwmon snd_seq snd_seq_device x86_pkg_temp_thermal snd_pcm libcrc32c snd_page_alloc e1000e snd_timer snd kvm_intel kvm crct10dif_pclmul crc32c_intel ghash_clmulni_intel shpchp serio_raw pcspkr ptp usb_debug soundcore microcode pps_core CPU: 1 PID: 131 Comm: kworker/1:2 Not tainted 3.13.0-rc3+ #3 Workqueue: events hsw_enable_pc8_work ffffffff81a98b80 ffff88023d185c98 ffffffff8174cfd8 ffff88023d185ce0 ffff88023d185cd0 ffffffff8105414d ffff88023e28d5f8 ffff88023e288000 ffff88024155ef50 ffff88024155ef58 0000000000000080 ffff88023d185d30 Call Trace: [] dump_stack+0x4e/0x7a [] warn_slowpath_common+0x7d/0xa0 [] warn_slowpath_fmt+0x4c/0x50 [] hsw_enable_pc8_work+0x6a9/0x6d0 [] process_one_work+0x211/0x6f0 [] ? process_one_work+0x1a5/0x6f0 [] worker_thread+0x11b/0x3a0 [] ? process_one_work+0x6f0/0x6f0 [] kthread+0xff/0x120 [] ? insert_kthread_work+0x80/0x80 [] ret_from_fork+0x7c/0xb0 [] ? insert_kthread_work+0x80/0x80 ---[ end trace 23d69c0f014b7eb8 ]--- 00:02.0 8086:0412 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)