From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756331Ab3LHTWS (ORCPT ); Sun, 8 Dec 2013 14:22:18 -0500 Received: from mx1.redhat.com ([209.132.183.28]:13526 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751248Ab3LHTWQ (ORCPT ); Sun, 8 Dec 2013 14:22:16 -0500 Message-ID: <52A4C6D2.3020208@redhat.com> Date: Sun, 08 Dec 2013 20:21:54 +0100 From: Zdenek Kabelac Organization: Red Hat User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Paul Bolle CC: "Rafael J. Wysocki" , =?UTF-8?B?QmrDuHJuIE1vcms=?= , LKML , viresh.kumar@linaro.org, tianyu.lan@intel.com, jinchoi@broadcom.com Subject: Re: Regression with suspend resume 5a87182aa21d6d5d306840feab9321818dd3e2a3 References: <52A448F2.4010208@redhat.com> <1386501189.28599.5.camel@x220.thuisdomein> In-Reply-To: <1386501189.28599.5.camel@x220.thuisdomein> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dne 8.12.2013 12:13, Paul Bolle napsal(a): > On Sun, 2013-12-08 at 11:24 +0100, Zdenek Kabelac wrote: >> I'm testing recent 3.13-rc kernel - and I've notice my Lenovo T61 is not able >> to resume. After bisect I've found commit: >> >> 5a87182aa21d6d5d306840feab9321818dd3e2a3 > > That's "cpufreq: suspend governors on system suspend/hibernate". > >> When I just revert this commit with 374b105797c3d4f29c685f3be535c35f5689b30e >> (3.13-rc3) suspend/resume works again. >> (I'm using ondemand CPU governor) > > Rafael just asked Linus to pull a revert of that commit (see > https://lkml.org/lkml/2013/12/7/126 ). > > I'm not sure - but it also could be related with another warning I'm getting during resume: But possibly this is result in i915 update ? Zdenek PM: Syncing filesystems ... done. Freezing user space processes ... (elapsed 0.005 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. Suspending console(s) (use no_console_suspend to debug) sd 0:0:0:0: [sda] Synchronizing SCSI cache sd 0:0:0:0: [sda] Stopping disk ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2042 at drivers/gpu/drm/i915/intel_display.c:9948 intel_get_pipe_from_connector+0x49/0x50 [i915]() Modules linked in: i915 i2c_algo_bit drm_kms_helper drm ctr ccm ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp tun bridge stp llc ipv6 ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables bnep btusb bluetooth snd_hda_codec_analog iTCO_wdt iTCO_vendor_support arc4 coretemp kvm_intel kvm microcode iwl3945 iwlegacy psmouse serio_raw mac80211 i2c_i801 i2c_core sdhci_pci r852 sm_common sdhci nand cfg80211 nand_ecc snd_hda_intel nand_ids mmc_core mtd snd_hda_codec r592 snd_hwdep snd_seq memstick snd_seq_device snd_pcm lpc_ich mfd_core e1000e snd_page_alloc snd_timer ptp pps_core thinkpad_acpi wmi nvram snd soundcore evdev binfmt_misc nfsd auth_rpcgss oid_registry exportfs loop nfs_acl lockd sunrpc pcmcia sr_mod yenta_socket cdrom ehci_pci ehci_hcd uhci_hcd usbcore usb_common video backlight autofs4 CPU: 0 PID: 2042 Comm: kworker/u4:3 Tainted: G W 3.13.0-rc3-00006-gee4645c #186 Hardware name: LENOVO 6464CTO/6464CTO, BIOS 7LETC9WW (2.29 ) 03/18/2011 Workqueue: events_unbound async_run_entry_fn 0000000000000009 ffff88009ad21af8 ffffffff815a3bfe 0000000000000000 ffff88009ad21b30 ffffffff8104924d ffff8800b5f4fe00 ffff8800aa408000 ffffffffffffffff ffff8800b5f4fe00 ffff8800b5f4fe00 ffff88009ad21b40 Call Trace: [] dump_stack+0x4e/0x7a [] warn_slowpath_common+0x7d/0xa0 [] warn_slowpath_null+0x1a/0x20 [] intel_get_pipe_from_connector+0x49/0x50 [i915] [] intel_panel_disable_backlight+0x25/0x180 [i915] [] intel_disable_lvds+0x4d/0x180 [i915] [] i9xx_crtc_disable+0x28a/0x380 [i915] [] i915_drm_freeze+0xca/0x150 [i915] [] i915_pm_suspend+0x3d/0x90 [i915] [] pci_pm_suspend+0x6c/0x150 [] ? pci_pm_freeze+0xe0/0xe0 [] dpm_run_callback+0x49/0xa0 [] __device_suspend+0xdd/0x280 [] async_suspend+0x1f/0xa0 [] async_run_entry_fn+0x37/0x130 [] process_one_work+0x1fd/0x6d0 [] ? process_one_work+0x19b/0x6d0 [] worker_thread+0x121/0x3a0 [] ? process_one_work+0x6d0/0x6d0 [] kthread+0xf0/0x110 [] ? insert_kthread_work+0x70/0x70 [] ret_from_fork+0x7c/0xb0 [] ? insert_kthread_work+0x70/0x70 ---[ end trace 7517bdfd550790cc ]--- PM: suspend of devices complete after 797.599 msecs PM: late suspend of devices complete after 3.960 msecs