From mboxrd@z Thu Jan 1 00:00:00 1970 From: Larry Finger Subject: WARNING in 3.17-rc1 for i915 Date: Tue, 19 Aug 2014 16:41:11 -0500 Message-ID: <53F3C477.7070004@lwfinger.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter , Jani Nikula Cc: intel-gfx@lists.freedesktop.org, LKML , DRI List-Id: intel-gfx@lists.freedesktop.org My Toshiba A50 with graphics adapter described by 00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) gets the following warning on 3.17-rc1: [ 1271.563533] ------------[ cut here ]------------ [ 1271.563568] WARNING: CPU: 1 PID: 1050 at drivers/gpu/drm/i915/intel_display.c:1234 assert_cursor.constprop.79+0x99/0xa0 [i915]() [ 1271.563571] cursor on pipe A assertion failure (expected off, current on) [ 1271.563573] Modules linked in: ctr ccm fuse nfs bnep bluetooth af_packet fscache arc4 x86_pkg_temp_thermal kvm_intel iwlmvm kvm mac80211 crct10dif_pclmul crc32_pclmul crc32c_intel snd_hda_codec_generic i915 snd_hda_intel ghash_clmulni_intel aesni_intel aes_x86_64 snd_hda_controller lrw gf128mul snd_hda_codec glue_helper iwlwifi ablk_helper rtsx_pci_sdmmc cryptd snd_hwdep snd_pcm rtsx_pci_ms memstick mmc_core snd_seq acpi_cpufreq cfg80211 drm_kms_helper processor drm microcode pcspkr serio_raw thermal video thermal_sys sr_mod cdrom lpc_ich snd_seq_device snd_timer rfkill rtsx_pci mfd_core snd soundcore e1000e i2c_algo_bit hwmon ptp pps_core wmi xhci_hcd ac battery button sg dm_mod autofs4 [ 1271.563659] CPU: 1 PID: 1050 Comm: Xorg Not tainted 3.17.0-rc1+ #9 [ 1271.563661] Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.20 04/17/2014 [ 1271.563664] 0000000000000009 ffff8800c72f7aa8 ffffffff816a009b ffff8800c72f7af0 [ 1271.563670] ffff8800c72f7ae0 ffffffff8105bdfd 0000000000000000 0000000000000000 [ 1271.563675] 0000000000000003 ffff8800c6741000 ffff8800c6741000 ffff8800c72f7b40 [ 1271.563681] Call Trace: [ 1271.563688] [] dump_stack+0x4d/0x6f [ 1271.563695] [] warn_slowpath_common+0x7d/0xa0 [ 1271.563699] [] warn_slowpath_fmt+0x4c/0x50 [ 1271.563720] [] assert_cursor.constprop.79+0x99/0xa0 [i915] [ 1271.563737] [] intel_enable_pipe+0x49/0x1f0 [i915] [ 1271.563757] [] haswell_crtc_enable+0x486/0xa80 [i915] [ 1271.563774] [] __intel_set_mode+0x822/0xac0 [i915] [ 1271.563793] [] intel_set_mode+0x16/0x30 [i915] [ 1271.563811] [] intel_crtc_set_config+0x92c/0xe70 [i915] [ 1271.563828] [] drm_mode_set_config_internal+0x67/0xf0 [drm] [ 1271.563843] [] drm_mode_setcrtc+0xdc/0x590 [drm] [ 1271.563855] [] drm_ioctl+0x1a6/0x640 [drm] [ 1271.563862] [] ? __fget+0x5/0xe0 [ 1271.563867] [] do_vfs_ioctl+0x300/0x520 [ 1271.563871] [] ? __fget+0xad/0xe0 [ 1271.563876] [] ? __fget+0x5/0xe0 [ 1271.563880] [] SyS_ioctl+0x81/0xa0 [ 1271.563887] [] system_call_fastpath+0x16/0x1b [ 1271.563889] ---[ end trace 2327ac1a479ad52b ]--- Larry