From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: WARNING: at drivers/gpu/drm/i915/intel_display.c:11375 [i915] in 3.19-rc2 Date: Fri, 02 Jan 2015 09:42:01 +0200 Message-ID: <87bnmh1vee.fsf@intel.com> References: <20150101142215.GA2570@yulia-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20150101142215.GA2570@yulia-desktop> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrey Skvortsov , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, David Airlie , Daniel Vetter List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCAwMSBKYW4gMjAxNSwgQW5kcmV5IFNrdm9ydHNvdiA8YW5kcmVqLnNrdm9ydHpvdkBn bWFpbC5jb20+IHdyb3RlOgo+IEhpLAo+Cj4gdGhpcyB3YXJuaW5nIGRvZXMgbm90IGV4aXN0IGlu IDMuMTktcmMxLCBidXQgaXQgaGFwcGVucyBldmVyeSBib290IGluCj4gMy4xOS1yYzIuIElmIHlv 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Skvortsov , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, David Airlie , Daniel Vetter Subject: Re: WARNING: at drivers/gpu/drm/i915/intel_display.c:11375 [i915] in 3.19-rc2 In-Reply-To: <20150101142215.GA2570@yulia-desktop> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20150101142215.GA2570@yulia-desktop> User-Agent: Notmuch/0.19~rc1+1~g08b4944 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Fri, 02 Jan 2015 09:42:01 +0200 Message-ID: <87bnmh1vee.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 01 Jan 2015, Andrey Skvortsov wrote: > Hi, > > this warning does not exist in 3.19-rc1, but it happens every boot in > 3.19-rc2. If you need any other information or data, I would be glad > to help to debug it. Hmm, at a glance I can't find a commit that could be the culprit. Can you bisect between rc1 and rc2 to find the bad commit? Thanks, Jani. > > [ 12.848428] ------------[ cut here ]------------ > [ 12.848479] WARNING: CPU: 1 PID: 328 at drivers/gpu/drm/i915/intel_display.c:11375 intel_crtc_set_config+0x3de/0xb36 [i915]() > [ 12.848482] WARN_ON(!set->fb && (set->num_connectors != 0)) > [ 12.848484] Modules linked in: i915(E) drm_kms_helper(E) drm(E) snd_hda_intel(E) snd_hda_controller(E) i2c_algo_bit(E) snd_hda_codec(E) i2c_core(E) xhci_pci(E) xhci_hcd(E) ehci_pci(E) ehci_hcd(E) usbcore(E) snd_hwdep(E) snd_pcm_oss(E) snd_mixer_oss(E) snd_pcm(E) snd_seq_midi(E) snd_rawmidi(E) snd_seq_midi_event(E) snd_seq(E) snd_timer(E) snd_seq_device(E) snd(E) video(E) battery(E) ppdev(E) parport_pc(E) usb_common(E) serio_raw(E) lpc_ich(E) evdev(E) mfd_core(E) soundcore(E) button(E) acpi_cpufreq(E) processor(E) coretemp(E) lp(E) parport(E) ext3(E) jbd(E) mbcache(E) sd_mod(E) ata_generic(E) btrfs(E) ata_piix(E) pata_via(E) libata(E) raid6_pq(E) thermal(E) scsi_mod(E) fan(E) thermal_sys(E) r8169(E) mii(E) xor(E) zlib_deflate(E) crc32c_generic(E) libcrc32c(E) > [ 12.848531] CPU: 1 PID: 328 Comm: plymouthd Tainted: G E 3.19.0-rc2-noiommu- #122 > [ 12.848532] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 3904 04/27/2013 > [ 12.848533] 0000000000000000 ffffffffa06b3002 ffffffff813c01df ffff8800378afcb8 > [ 12.848535] ffffffff8103f24b 0000000000000000 ffffffffa06685d8 ffff880000110880 > [ 12.848537] ffff8800c83c2d00 ffff8800c8ccb160 ffff8800376c1000 ffff88011a74e000 > [ 12.848539] Call Trace: > [ 12.848544] [] ? dump_stack+0x4a/0x74 > [ 12.848548] [] ? warn_slowpath_common+0x9e/0xb7 > [ 12.848566] [] ? intel_crtc_set_config+0x3de/0xb36 [i915] > [ 12.848568] [] ? warn_slowpath_fmt+0x4a/0x4f > [ 12.848584] [] ? intel_crtc_set_config+0x3de/0xb36 [i915] > [ 12.848586] [] ? __ww_mutex_lock+0x1c/0x91 > [ 12.848598] [] ? drm_mode_set_config_internal+0x53/0xd7 [drm] > [ 12.848604] [] ? restore_fbdev_mode+0xae/0xca [drm_kms_helper] > [ 12.848608] [] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x24/0x5a [drm_kms_helper] > [ 12.848627] [] ? intel_fbdev_restore_mode+0x1b/0x41 [i915] > [ 12.848632] [] ? drm_lastclose+0x3c/0x104 [drm] > [ 12.848637] [] ? drm_release+0x421/0x457 [drm] > [ 12.848639] [] ? __fput+0xdb/0x177 > [ 12.848642] [] ? task_work_run+0x8e/0xa3 > [ 12.848645] [] ? do_notify_resume+0x64/0x7a > [ 12.848647] [] ? int_signal+0x12/0x17 > [ 12.848649] ---[ end trace da6972fb56a05968 ]--- > > -- > Best regards, > Andrey Skvortsov > > Secure e-mail with gnupg: See http://www.gnupg.org/ > PGP Key ID: 0x57A3AEAD > > -- Jani Nikula, Intel Open Source Technology Center