Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752119AbbEGAlD (ORCPT ); Wed, 6 May 2015 20:41:03 -0400 Received: from mga02.intel.com ([134.134.136.20]:44604 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751578AbbEGAlA convert rfc822-to-8bit (ORCPT ); Wed, 6 May 2015 20:41:00 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,381,1427785200"; d="scan'208";a="706418463" From: "Konduru, Chandra" To: Daniel Vetter , Sergey Senozhatsky CC: David Airlie , "Vetter, Daniel" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: RE: [i915]] *ERROR* mismatch in scaler_state.scaler_id Thread-Topic: [i915]] *ERROR* mismatch in scaler_state.scaler_id Thread-Index: AQHQh+zOhZddpc4bL0yM24pp4dYDNp1vqu2w Date: Thu, 7 May 2015 00:40:57 +0000 Message-ID: <76A9B330A4D78C4D99CB292C4CC06C0E36FC7604@fmsmsx101.amr.corp.intel.com> References: <20150502010542.GA418@swordfish> <20150506110923.GV30184@phenom.ffwll.local> In-Reply-To: <20150506110923.GV30184@phenom.ffwll.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.200.106] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5040 Lines: 103 Hi, This error happens when crtc_state in driver not matching with hardware registers. On skylake board that I have, I am not able to reproduce the issue. Can you send the system configuration and steps to reproduce the issue? Also can you send the full dmesg.log file? -Chandra > -----Original Message----- > From: Daniel Vetter [mailto:daniel.vetter@ffwll.ch] On Behalf Of Daniel Vetter > Sent: Wednesday, May 06, 2015 4:09 AM > To: Sergey Senozhatsky > Cc: David Airlie; Vetter, Daniel; intel-gfx@lists.freedesktop.org; dri- > devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; Konduru, Chandra > Subject: Re: [i915]] *ERROR* mismatch in scaler_state.scaler_id > > Adding Chandra, who's implemented skl scaler code. > -Daniel > > On Sat, May 02, 2015 at 10:05:42AM +0900, Sergey Senozhatsky wrote: > > Hi, > > > > linux-next 20150501 > > > > [ 1.968953] [drm:check_crtc_state [i915]] *ERROR* mismatch in > scaler_state.scaler_id (expected 0, found -1) > > [ 1.968953] ------------[ cut here ]------------ > > [ 1.968983] WARNING: CPU: 0 PID: 6 at > drivers/gpu/drm/i915/intel_display.c:12008 check_crtc_state+0xb15/0xb83 > [i915]() > > [ 1.968983] pipe state doesn't match! > > [..] > > [ 1.969005] CPU: 0 PID: 6 Comm: kworker/u16:0 Not tainted 4.1.0-rc1-next- > 20150501-dbg-00011-gbcb7bed-dirty #49 > > [ 1.969010] Workqueue: events_unbound async_run_entry_fn > > [ 1.969012] 0000000000000009 ffff88041d9eb448 ffffffff812e9753 > 0000000000005555 > > [ 1.969013] ffff88041d9eb498 ffff88041d9eb488 ffffffff81034c24 > ffff88041d9eb490 > > [ 1.969015] ffffffffa03a81dc ffff88041d123000 ffff88041cbbc800 > 0000000000000001 > > [ 1.969015] Call Trace: > > [ 1.969019] [] dump_stack+0x45/0x57 > > [ 1.969022] [] warn_slowpath_common+0x97/0xb1 > > [ 1.969050] [] ? check_crtc_state+0xb15/0xb83 [i915] > > [ 1.969052] [] warn_slowpath_fmt+0x41/0x43 > > [ 1.969080] [] check_crtc_state+0xb15/0xb83 [i915] > > [ 1.969082] [] ? update_curr+0x68/0xd1 > > [ 1.969112] [] intel_modeset_check_state+0x603/0xa3d > [i915] > > [ 1.969140] [] intel_crtc_set_config+0x8dc/0xc02 [i915] > > [ 1.969147] [] ? > drm_atomic_helper_plane_set_property+0x6c/0xa4 [drm_kms_helper] > > [ 1.969159] [] drm_mode_set_config_internal+0x57/0xe3 > [drm] > > [ 1.969164] [] restore_fbdev_mode+0xb5/0xcf > [drm_kms_helper] > > [ 1.969169] [] > drm_fb_helper_restore_fbdev_mode_unlocked+0x22/0x59 [drm_kms_helper] > > [ 1.969173] [] drm_fb_helper_set_par+0x31/0x35 > [drm_kms_helper] > > [ 1.969202] [] intel_fbdev_set_par+0x15/0x58 [i915] > > [ 1.969204] [] fbcon_init+0x323/0x431 > > [ 1.969206] [] visual_init+0xb7/0x10d > > [ 1.969208] [] do_bind_con_driver+0x1b1/0x2d8 > > [ 1.969209] [] do_take_over_console+0x15a/0x184 > > [ 1.969212] [] do_fbcon_takeover+0x5b/0x97 > > [ 1.969213] [] fbcon_event_notify+0x419/0x740 > > [ 1.969215] [] notifier_call_chain+0x3b/0x5f > > [ 1.969217] [] __blocking_notifier_call_chain+0x43/0x5f > > [ 1.969219] [] blocking_notifier_call_chain+0xf/0x11 > > [ 1.969220] [] fb_notifier_call_chain+0x16/0x18 > > [ 1.969222] [] register_framebuffer+0x28f/0x2c7 > > [ 1.969250] [] ? intelfb_create+0x2e7/0x38a [i915] > > [ 1.969256] [] drm_fb_helper_initial_config+0x297/0x3e1 > [drm_kms_helper] > > [ 1.969284] [] intel_fbdev_initial_config+0x16/0x18 > [i915] > > [ 1.969286] [] async_run_entry_fn+0x33/0xca > > [ 1.969288] [] process_one_work+0x192/0x2a8 > > [ 1.969290] [] worker_thread+0x266/0x34c > > [ 1.969291] [] ? rescuer_thread+0x276/0x276 > > [ 1.969293] [] kthread+0xcd/0xd5 > > [ 1.969294] [] ? kthread_worker_fn+0x130/0x130 > > [ 1.969296] [] ret_from_fork+0x42/0x70 > > [ 1.969297] [] ? kthread_worker_fn+0x130/0x130 > > [ 1.969298] ---[ end trace 7f37d8e5ab4ee0a8 ]--- > > > > -ss > > _______________________________________________ > > dri-devel mailing list > > dri-devel@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/dri-devel > > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch -- 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/