From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753615AbbGNLkp (ORCPT ); Tue, 14 Jul 2015 07:40:45 -0400 Received: from mail-pd0-f170.google.com ([209.85.192.170]:34760 "EHLO mail-pd0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752406AbbGNLkl (ORCPT ); Tue, 14 Jul 2015 07:40:41 -0400 Date: Tue, 14 Jul 2015 20:39:50 +0900 From: Sergey Senozhatsky To: Sergey Senozhatsky , David Airlie , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [Intel-gfx] [-next] WARNING at i915_gem_track_fb Message-ID: <20150714113950.GA389@swordfish> References: <20150713125139.GA562@swordfish> <20150713143549.GM3736@phenom.ffwll.local> <20150713144415.GA27052@swordfish> <20150713150506.GW3736@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150713150506.GW3736@phenom.ffwll.local> User-Agent: Mutt/1.5.23+102 (2ca89bed6448) (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (07/13/15 17:05), Daniel Vetter wrote: > It goes boom somewhere from the cursor ioctl code, which means X is > probably involved. Usual suspects are vt-switching, suspend/resume or > cursor vs. DPMS. You can force a DPMS off from within X with > > $ xset dpms force off > that helped. seems to be working only on -next. [ 42.409154] ------------[ cut here ]------------ [ 42.409234] WARNING: CPU: 0 PID: 359 at drivers/gpu/drm/i915/i915_gem.c:5368 i915_gem_track_fb+0xdc/0x106 [i915]() [ 42.409239] WARN_ON(new->frontbuffer_bits & frontbuffer_bits) [ 42.409243] Modules linked in: [ 42.409248] sha256_ssse3 sha256_generic hmac drbg ctr ccm mousedev arc4 nls_iso8859_1 nls_cp437 coretemp vfat hwmon iwlmvm fat intel_powerclamp crc32c_intel i915 mac80211 psmouse i2c_i801 cfbfillrect cfbimgblt iwlwifi i2c_algo_bit serio_raw cfbcopyarea ie31200_edac lpc_ich atkbd r8169 libps2 mfd_core drm_kms_helper cfg80211 mii drm edac_core thermal mxm_wmi i8042 video serio backlight wmi evdev processor ext4 crc16 mbcache jbd2 sd_mod ehci_pci ehci_hcd ahci libahci libata xhci_pci xhci_hcd scsi_mod usbcore usb_common [ 42.409364] CPU: 0 PID: 359 Comm: Xorg Not tainted 4.2.0-rc2-next-20150713-dbg-00017-g16b87ed-dirty #183 [ 42.409369] 0000000000000009 ffff88041ce139d8 ffffffff813a19ac ffffffff81077163 [ 42.409379] ffff88041ce13a28 ffff88041ce13a18 ffffffff8103b5d9 ffff88041ce139f8 [ 42.409388] ffffffffa054b273 0000000000000002 ffff88041a938240 ffff88041a938240 [ 42.409397] Call Trace: [ 42.409414] [] dump_stack+0x4c/0x65 [ 42.409425] [] ? up+0x39/0x3e [ 42.409433] [] warn_slowpath_common+0x9b/0xb5 [ 42.409486] [] ? i915_gem_track_fb+0xdc/0x106 [i915] [ 42.409492] [] warn_slowpath_fmt+0x46/0x48 [ 42.409540] [] i915_gem_track_fb+0xdc/0x106 [i915] [ 42.409611] [] intel_prepare_plane_fb+0xb1/0x101 [i915] [ 42.409632] [] drm_atomic_helper_prepare_planes+0x5b/0xb8 [drm_kms_helper] [ 42.409700] [] intel_atomic_commit+0x46/0xc0 [i915] [ 42.409750] [] drm_atomic_commit+0x4d/0x52 [drm] [ 42.409769] [] drm_atomic_helper_update_plane+0xca/0x119 [drm_kms_helper] [ 42.409811] [] __setplane_internal+0x24e/0x2ae [drm] [ 42.409846] [] drm_mode_cursor_universal+0x149/0x197 [drm] [ 42.409880] [] ? drm_mode_setcrtc+0x428/0x428 [drm] [ 42.409910] [] drm_mode_cursor_common+0xb5/0x156 [drm] [ 42.409939] [] drm_mode_cursor_ioctl+0x37/0x39 [drm] [ 42.409967] [] drm_ioctl+0x287/0x415 [drm] [ 42.409975] [] ? __lock_is_held+0x3c/0x57 [ 42.409983] [] ? __fget+0x170/0x1a1 [ 42.409991] [] do_vfs_ioctl+0x455/0x4dd [ 42.409996] [] ? __fget_light+0x65/0x75 [ 42.410003] [] SyS_ioctl+0x44/0x63 [ 42.410010] [] entry_SYSCALL_64_fastpath+0x12/0x6f [ 42.410016] ---[ end trace 90f0a9050a7baa50 ]--- -ss > For suspend resume it occasionally matters whether you initiate it through > the gui or by closing the lid or through timeout (if you're not connected > to a wallplug). I hope this helps with figuring out a repro recipe. > > It could also be a race somewhere, in which case you won't be able to > consistently reproduce this. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Subject: Re: [Intel-gfx] [-next] WARNING at i915_gem_track_fb Date: Tue, 14 Jul 2015 20:39:50 +0900 Message-ID: <20150714113950.GA389@swordfish> References: <20150713125139.GA562@swordfish> <20150713143549.GM3736@phenom.ffwll.local> <20150713144415.GA27052@swordfish> <20150713150506.GW3736@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20150713150506.GW3736@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Sergey Senozhatsky , David Airlie , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gKDA3LzEzLzE1IDE3OjA1KSwgRGFuaWVsIFZldHRlciB3cm90ZToKPiBJdCBnb2VzIGJvb20g 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