Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753679Ab3FYTFS (ORCPT ); Tue, 25 Jun 2013 15:05:18 -0400 Received: from mail-ve0-f172.google.com ([209.85.128.172]:62925 "EHLO mail-ve0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752473Ab3FYTFM (ORCPT ); Tue, 25 Jun 2013 15:05:12 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 25 Jun 2013 09:05:11 -1000 X-Google-Sender-Auth: pN0mZLbyBKNHB5ZDFb05WPv7UaM Message-ID: Subject: Re: Linux 3.10-rc7 From: Linus Torvalds To: Shuah Khan , Chris Wilson , Daniel Vetter Cc: Linux Kernel Mailing List , "shuahkhan@gmail.com" , Dave Airlie Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7520 Lines: 134 Adding the appropriate cc'd.. I'm not seeing why this would start happening now, but there's been a number of commits that touch the intel crtc 'active' state and hotplug logic, so I'm assuming one of them is to blame.. Lots of small changes around ironlake_crtc_mode_set() etc. This warning seems to imply that the pll activity count is buggered. Anybody? Chris/Daniel/Dave? Linus On Tue, Jun 25, 2013 at 5:28 AM, Shuah Khan wrote: > > I started seeing this message during suspend to disk in reboot mode test > back 3.10-rc6 and 3.10-rc7 has the same problem. I haven't started > debugging yet. Looking to see if this is a known issue. I don't see this > problem on 3.9.7. > > [ 2097.548150] WARNING: at drivers/gpu/drm/i915/intel_display.c:1656 > ironlake_crtc_disable+0x865/0x890 [i915]() > [ 2097.548177] Modules linked in: rfcomm bnep parport_pc ppdev arc4 > iwldvm mac80211 ext2 i915 joydev coretemp kvm_intel snd_hda_codec_hdmi > iwlwifi snd_hda_codec_realtek kvm snd_hda_intel snd_hda_codec cfg80211 > snd_hwdep snd_pcm drm_kms_helper btusb snd_seq_midi bluetooth drm > snd_rawmidi uvcvideo snd_seq_midi_event ghash_clmulni_intel snd_seq > aesni_intel ablk_helper videobuf2_core cryptd tpm_infineon videodev > snd_timer lrw gf128mul snd_seq_device glue_helper psmouse snd aes_x86_64 > media samsung_laptop videobuf2_vmalloc microcode videobuf2_memops > serio_raw soundcore tpm_tis snd_page_alloc i2c_algo_bit lpc_ich wmi > video mac_hid lp parport hid_generic usbhid hid r8169 > [ 2097.548180] CPU: 3 PID: 2736 Comm: kworker/u16:0 Not tainted > 3.10.0-rc7+ #2 > [ 2097.548181] Hardware name: SAMSUNG ELECTRONICS CO., LTD. > 900X3C/900X3D/900X4C/900X4D/SAMSUNG_NP1234567890, BIOS P03AAC 07/12/2012 > [ 2097.548186] Workqueue: events_unbound async_run_entry_fn > [ 2097.548189] 0000000000000009 ffff8803f05a5a58 ffffffff81690b04 > ffff8803f05a5a98 > [ 2097.548190] ffffffff81043880 ffff88040a978000 ffff8803f074e000 > ffff88040a978000 > [ 2097.548192] ffff88040a97a688 00000000000e0300 ffff88040af6e000 > ffff8803f05a5aa8 > [ 2097.548192] Call Trace: > [ 2097.548197] [] dump_stack+0x19/0x1b > [ 2097.548201] [] warn_slowpath_common+0x70/0xa0 > [ 2097.548203] [] warn_slowpath_null+0x1a/0x20 > [ 2097.548214] [] ironlake_crtc_disable+0x865/0x890 > [i915] > [ 2097.548223] [] __intel_set_mode+0x458/0xd00 [i915] > [ 2097.548232] [] > intel_modeset_setup_hw_state+0x679/0xa60 [i915] > [ 2097.548236] [] ? mutex_lock+0x1d/0x50 > [ 2097.548242] [] __i915_drm_thaw+0x137/0x1d0 [i915] > [ 2097.548249] [] i915_resume+0x7b/0xd0 [i915] > [ 2097.548255] [] i915_pm_resume+0x16/0x20 [i915] > [ 2097.548258] [] pci_pm_restore+0x73/0xd0 > [ 2097.548259] [] ? pci_pm_default_resume+0x50/0x50 > [ 2097.548261] [] ? pci_pm_default_resume+0x50/0x50 > [ 2097.548264] [] dpm_run_callback.isra.3+0x3b/0x70 > [ 2097.548265] [] device_resume+0xd4/0x1b0 > [ 2097.548267] [] async_resume+0x21/0x50 > [ 2097.548269] [] async_run_entry_fn+0x3b/0x140 > [ 2097.548272] [] process_one_work+0x16e/0x3f0 > [ 2097.548274] [] worker_thread+0x122/0x370 > [ 2097.548276] [] ? rescuer_thread+0x330/0x330 > [ 2097.548277] [] kthread+0xc0/0xd0 > [ 2097.548279] [] ? kthread_create_on_node+0x130/0x130 > [ 2097.548281] [] ret_from_fork+0x7c/0xb0 > [ 2097.548283] [] ? kthread_create_on_node+0x130/0x130 > [ 2097.548284] ---[ end trace 989c661118e428a8 ]--- > > [ 2097.548295] WARNING: at drivers/gpu/drm/i915/intel_display.c:1091 > assert_pch_pll+0x18f/0x1f0 [i915]() > [ 2097.548296] PCH PLL state for reg c6014 assertion failure (expected > off, current on), val=89086008 > [ 2097.548315] Modules linked in: rfcomm bnep parport_pc ppdev arc4 > iwldvm mac80211 ext2 i915 joydev coretemp kvm_intel snd_hda_codec_hdmi > iwlwifi snd_hda_codec_realtek kvm snd_hda_intel snd_hda_codec cfg80211 > snd_hwdep snd_pcm drm_kms_helper btusb snd_seq_midi bluetooth drm > snd_rawmidi uvcvideo snd_seq_midi_event ghash_clmulni_intel snd_seq > aesni_intel ablk_helper videobuf2_core cryptd tpm_infineon videodev > snd_timer lrw gf128mul snd_seq_device glue_helper psmouse snd aes_x86_64 > media samsung_laptop videobuf2_vmalloc microcode videobuf2_memops > serio_raw soundcore tpm_tis snd_page_alloc i2c_algo_bit lpc_ich wmi > video mac_hid lp parport hid_generic usbhid hid r8169 > [ 2097.548317] CPU: 3 PID: 2736 Comm: kworker/u16:0 Tainted: G W > 3.10.0-rc7+ #2 > [ 2097.548318] Hardware name: SAMSUNG ELECTRONICS CO., LTD. > 900X3C/900X3D/900X4C/900X4D/SAMSUNG_NP1234567890, BIOS P03AAC 07/12/2012 > [ 2097.548321] Workqueue: events_unbound async_run_entry_fn > [ 2097.548323] 0000000000000009 ffff8803f05a59b8 ffffffff81690b04 > ffff8803f05a59f8 > [ 2097.548324] ffffffff81043880 0000000000000009 ffff88040a978000 > ffff88040a97a688 > [ 2097.548325] 0000000000000000 0000000000000000 0000000089086008 > ffff8803f05a5a58 > [ 2097.548326] Call Trace: > [ 2097.548328] [] dump_stack+0x19/0x1b > [ 2097.548330] [] warn_slowpath_common+0x70/0xa0 > [ 2097.548332] [] warn_slowpath_fmt+0x46/0x50 > [ 2097.548360] [] assert_pch_pll+0x18f/0x1f0 [i915] > [ 2097.548382] [] ironlake_crtc_disable+0x5a9/0x890 > [i915] > [ 2097.548404] [] __intel_set_mode+0x458/0xd00 [i915] > [ 2097.548429] [] > intel_modeset_setup_hw_state+0x679/0xa60 [i915] > [ 2097.548438] [] ? mutex_lock+0x1d/0x50 > [ 2097.548454] [] __i915_drm_thaw+0x137/0x1d0 [i915] > [ 2097.548472] [] i915_resume+0x7b/0xd0 [i915] > [ 2097.548490] [] i915_pm_resume+0x16/0x20 [i915] > [ 2097.548496] [] pci_pm_restore+0x73/0xd0 > [ 2097.548500] [] ? pci_pm_default_resume+0x50/0x50 > [ 2097.548504] [] ? pci_pm_default_resume+0x50/0x50 > [ 2097.548509] [] dpm_run_callback.isra.3+0x3b/0x70 > [ 2097.548513] [] device_resume+0xd4/0x1b0 > [ 2097.548517] [] async_resume+0x21/0x50 > [ 2097.548524] [] async_run_entry_fn+0x3b/0x140 > [ 2097.548529] [] process_one_work+0x16e/0x3f0 > [ 2097.548534] [] worker_thread+0x122/0x370 > [ 2097.548540] [] ? rescuer_thread+0x330/0x330 > [ 2097.548544] [] kthread+0xc0/0xd0 > [ 2097.548549] [] ? kthread_create_on_node+0x130/0x130 > [ 2097.548553] [] ret_from_fork+0x7c/0xb0 > [ 2097.548558] [] ? kthread_create_on_node+0x130/0x130 > [ 2097.548560] ---[ end trace 989c661118e428a9 ]--- > > -- Shuah > > Shuah Khan, Linux Kernel Developer - Open Source Group Samsung Research > America (Silicon Valley) shuah.kh@samsung.com | (970) 672-0658 -- 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/