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Date: Mon, 14 Sep 2015 19:11:33 -0600 From: Shuah Khan <shuahkh@....samsung.com> To: Linus Torvalds <torvalds@...ux-foundation.org>, airlied@...ux.ie, daniel.vetter@...el.com, jani.nikula@...ux.intel.com, Shuah Khan <shuahkh@....samsung.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Linux 4.3-rc1 I am seeing the following new warning on my test system. Haven't had a chance to bisect yet. Please let me know if you like more information. I haven't seen this on 4.2 and all of 4.2-rc releases. thanks, -- Shuah ------------[ cut here ]------------ WARNING: CPU: 3 PID: 24 at drivers/gpu/drm/i915/intel_display.c:1377 assert_plan es_disabled+0xe4/0x150 [i915]() plane A assertion failure, should be disabled but not Modules linked in: i915 mac80211 x86_pkg_temp_thermal iwlwifi snd_hda_codec_real tek intel_powerclamp snd_hda_codec_generic coretemp drm_kms_helper kvm_intel kvm snd_hda_intel snd_hda_codec eeepc_wmi asus_wmi sparse_keymap snd_hda_core drm c fg80211 snd_hwdep snd_pcm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_ seq_midi snd_seq_midi_event snd_rawmidi aesni_intel snd_seq aes_x86_64 lrw dm_mu ltipath gf128mul glue_helper ablk_helper cryptd mei_me snd_seq_device mei snd_ti mer microcode snd serio_raw i2c_algo_bit fb_sys_fops lpc_ich syscopyarea sysfill rect sysimgblt soundcore shpchp video wmi mac_hid parport_pc ppdev lp parport au tofs4 btrfs xor hid_generic usbhid hid raid6_pq r8169 psmouse ahci dm_mirror dm_ region_hash libahci mii dm_log CPU: 3 PID: 24 Comm: kworker/3:0 Not tainted 4.3.0-rc1+ #1 Hardware name: System76, Inc. Wild Dog Performance/H87-PLUS, BIOS 0705 12/05/201 3 Workqueue: events output_poll_execute [drm_kms_helper] ffffffffa076b658 ffff88040cfd7a78 ffffffff8137fef4 ffff88040cfd7ac0 ffff88040cfd7ab0 ffffffff81072296 ffff8803f1490000 0000000000000000 0000000000000000 ffff8803f2b9a000 ffff88040bb87348 ffff88040cfd7b10 Call Trace: [<ffffffff8137fef4>] dump_stack+0x44/0x60 [<ffffffff81072296>] warn_slowpath_common+0x86/0xc0 [<ffffffff8107231c>] warn_slowpath_fmt+0x4c/0x50 [<ffffffffa06f7974>] assert_planes_disabled+0xe4/0x150 [i915] [<ffffffffa0701b9f>] intel_disable_pipe+0x4f/0x2d0 [i915] [<ffffffffa0701eaa>] haswell_crtc_disable+0x8a/0x2f0 [i915] [<ffffffffa070a638>] intel_atomic_commit+0x108/0x1370 [i915] [<ffffffffa0475944>] ? drm_atomic_check_only+0x1d4/0x590 [drm] [<ffffffffa04755b9>] ? drm_atomic_get_connector_state+0x49/0x110 [drm] [<ffffffffa0475d37>] drm_atomic_commit+0x37/0x60 [drm] [<ffffffffa06826e4>] drm_atomic_helper_set_config+0x1c4/0x430 [drm_kms_helper] [<ffffffffa0465d62>] drm_mode_set_config_internal+0x62/0x100 [drm] [<ffffffffa068550e>] restore_fbdev_mode+0xbe/0xe0 [drm_kms_helper] [<ffffffffa06873c5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper] [<ffffffffa068743d>] drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper] [<ffffffffa068734f>] drm_fb_helper_hotplug_event+0x8f/0xe0 [drm_kms_helper] [<ffffffffa072198e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915] [<ffffffffa067b5e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper] [<ffffffffa067b7e9>] output_poll_execute+0x199/0x1e0 [drm_kms_helper] [<ffffffff81089b57>] process_one_work+0x157/0x3e0 [<ffffffff8108a53e>] worker_thread+0x4e/0x470 [<ffffffff8108a4f0>] ? rescuer_thread+0x300/0x300 [<ffffffff8108f7c9>] kthread+0xc9/0xe0 [<ffffffff8108f700>] ? kthread_park+0x60/0x60 [<ffffffff81754a4f>] ret_from_fork+0x3f/0x70 [<ffffffff8108f700>] ? kthread_park+0x60/0x60 ---[ end trace b44349788b4df142 ]--- ------------[ cut here ]------------ WARNING: CPU: 3 PID: 24 at drivers/gpu/drm/i915/intel_display.c:1377 assert_planes_disabled+0xe4/0x150 [i915]() plane A assertion failure, should be disabled but not Modules linked in: iwlmvm(+) i915 mac80211 x86_pkg_temp_thermal iwlwifi snd_hda_codec_realtek intel_powerclamp snd_hda_codec_generic coretemp drm_kms_helper kvm_intel kvm snd_hda_intel snd_hda_codec eeepc_wmi asus_wmi sparse_keymap snd_hda_core drm cfg80211 snd_hwdep snd_pcm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_midi snd_seq_midi_event snd_rawmidi aesni_intel snd_seq aes_x86_64 lrw dm_multipath gf128mul glue_helper ablk_helper cryptd mei_me snd_seq_device mei snd_timer microcode snd serio_raw i2c_algo_bit fb_sys_fops lpc_ich syscopyarea sysfillrect sysimgblt soundcore shpchp video wmi mac_hid parport_pc ppdev lp parport autofs4 btrfs xor hid_generic usbhid hid raid6_pq r8169 psmouse ahci dm_mirror dm_region_hash libahci mii dm_log CPU: 3 PID: 24 Comm: kworker/3:0 Tainted: G W 4.3.0-rc1+ #1 Hardware name: System76, Inc. Wild Dog Performance/H87-PLUS, BIOS 0705 12/05/2013 Workqueue: events output_poll_execute [drm_kms_helper] ffffffffa076b658 ffff88040cfd7a50 ffffffff8137fef4 ffff88040cfd7a98 ffff88040cfd7a88 ffffffff81072296 ffff8803f1490000 0000000000000000 0000000000000000 ffff8803f1490000 ffff8803f2b9a000 ffff88040cfd7ae8 Call Trace: [<ffffffff8137fef4>] dump_stack+0x44/0x60 [<ffffffff81072296>] warn_slowpath_common+0x86/0xc0 [<ffffffff8107231c>] warn_slowpath_fmt+0x4c/0x50 [<ffffffffa06f7974>] assert_planes_disabled+0xe4/0x150 [i915] [<ffffffffa07040b4>] intel_enable_pipe+0x54/0x250 [i915] [<ffffffffa070ec94>] haswell_crtc_enable+0x484/0xbe0 [i915] [<ffffffffa06b595d>] ? intel_display_power_put+0xed/0x160 [i915] [<ffffffffa070a8ab>] intel_atomic_commit+0x37b/0x1370 [i915] [<ffffffffa0475944>] ? drm_atomic_check_only+0x1d4/0x590 [drm] [<ffffffffa04755b9>] ? drm_atomic_get_connector_state+0x49/0x110 [drm] [<ffffffffa0475d37>] drm_atomic_commit+0x37/0x60 [drm] [<ffffffffa06826e4>] drm_atomic_helper_set_config+0x1c4/0x430 [drm_kms_helper] [<ffffffffa0465d62>] drm_mode_set_config_internal+0x62/0x100 [drm] [<ffffffffa068550e>] restore_fbdev_mode+0xbe/0xe0 [drm_kms_helper] [<ffffffffa06873c5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper] [<ffffffffa068743d>] drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper] [<ffffffffa068734f>] drm_fb_helper_hotplug_event+0x8f/0xe0 [drm_kms_helper] [<ffffffffa072198e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915] [<ffffffffa067b5e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper] [<ffffffffa067b7e9>] output_poll_execute+0x199/0x1e0 [drm_kms_helper] [<ffffffff81089b57>] process_one_work+0x157/0x3e0 [<ffffffff8108a53e>] worker_thread+0x4e/0x470 [<ffffffff8108a4f0>] ? rescuer_thread+0x300/0x300 [<ffffffff8108f7c9>] kthread+0xc9/0xe0 [<ffffffff8108f700>] ? kthread_park+0x60/0x60 [<ffffffff81754a4f>] ret_from_fork+0x3f/0x70 [<ffffffff8108f700>] ? kthread_park+0x60/0x60 ---[ end trace b44349788b4df143 ]--- -- Shuah Khan Sr. Linux Kernel Developer Open Source Innovation Group Samsung Research America (Silicon Valley) shuahkh@....samsung.com | (970) 217-8978 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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