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Date: Mon, 23 Mar 2015 07:25:27 +0100
From: Sedat Dilek <sedat.dilek@...il.com>
To: Daniel Vetter <daniel.vetter@...ll.ch>,
Dave Airlie <airlied@...hat.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
intel-gfx <intel-gfx@...ts.freedesktop.org>
Subject: [Linux v4.0-rc5] Warnings in drm_framebuffer_reference() and drm_atomic_check_only()
Hi,
I did my weekly update of the Linux RC (here: v4.0-rc5) and fell over
some warning in the drm area.
Please have a look...
Trace #1:
[ 19.429883] ------------[ cut here ]------------
[ 19.429902] WARNING: CPU: 0 PID: 811 at include/linux/kref.h:47
drm_framebuffer_reference+0x7a/0x90 [drm]()
[ 19.429904] Modules linked in: mac80211 i915(+) snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic uvcvideo snd_hda_intel
snd_hda_controller videobuf2_vmalloc snd_hda_codec videobuf2_memops
rfcomm videobuf2_core bnep v4l2_common i2c_algo_bit cdc_ether
snd_hwdep iwlwifi joydev parport_pc ppdev option videodev snd_pcm
usb_wwan drm_kms_helper usbserial usbnet cfg80211 snd_seq_midi
snd_seq_midi_event btusb snd_rawmidi bluetooth snd_seq drm snd_timer
psmouse snd_seq_device snd serio_raw samsung_laptop video lpc_ich
soundcore intel_rst wmi mac_hid lp binfmt_misc parport hid_generic
usbhid hid r8169 mii usb_storage
[ 19.429947] CPU: 0 PID: 811 Comm: modprobe Not tainted
4.0.0-rc5-1-iniza-small #1
[ 19.429949] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
[ 19.429951] ffffffffa0131f44 ffff8800c8d036e8 ffffffff81769019
0000000000000000
[ 19.429955] 0000000000000000 ffff8800c8d03728 ffffffff810757ba
ffff8800c8d03718
[ 19.429958] ffff88011a3d11c0 ffff8800c82cf040 ffff8800c2310000
ffff8800c1a13000
[ 19.429962] Call Trace:
[ 19.429969] [<ffffffff81769019>] dump_stack+0x4c/0x65
[ 19.429973] [<ffffffff810757ba>] warn_slowpath_common+0x8a/0xc0
[ 19.429977] [<ffffffff810758aa>] warn_slowpath_null+0x1a/0x20
[ 19.429988] [<ffffffffa010c18a>] drm_framebuffer_reference+0x7a/0x90 [drm]
[ 19.430003] [<ffffffffa011e90d>] drm_atomic_set_fb_for_plane+0x2d/0x90 [drm]
[ 19.430037] [<ffffffffa0461b48>]
ironlake_get_initial_plane_config+0x288/0x390 [i915]
[ 19.430041] [<ffffffff810c494d>] ? trace_hardirqs_on+0xd/0x10
[ 19.430068] [<ffffffffa0472151>] intel_modeset_init+0x9d1/0x1a50 [i915]
[ 19.430091] [<ffffffffa0438d7a>] ?
ironlake_irq_postinstall+0xca/0x1b0 [i915]
[ 19.430101] [<ffffffffa0103a12>] ? drm_irq_install+0xc2/0x1a0 [drm]
[ 19.430130] [<ffffffffa04a682b>] i915_driver_load+0xf0b/0x1140 [i915]
[ 19.430134] [<ffffffff810c470d>] ? mark_held_locks+0x6d/0xa0
[ 19.430137] [<ffffffff8176fe7e>] ? __mutex_unlock_slowpath+0xce/0x220
[ 19.430140] [<ffffffff810c470d>] ? mark_held_locks+0x6d/0xa0
[ 19.430143] [<ffffffff81772476>] ? _raw_spin_unlock_irqrestore+0x36/0x70
[ 19.430147] [<ffffffff810c489d>] ? trace_hardirqs_on_caller+0x15d/0x200
[ 19.430151] [<ffffffff810c494d>] ? trace_hardirqs_on+0xd/0x10
[ 19.430161] [<ffffffffa0106975>] drm_dev_register+0xb5/0x110 [drm]
[ 19.430172] [<ffffffffa0109a6d>] drm_get_pci_dev+0x8d/0x200 [drm]
[ 19.430192] [<ffffffffa03fe22b>] i915_pci_probe+0x3b/0x60 [i915]
[ 19.430196] [<ffffffff813ec7b5>] local_pci_probe+0x45/0xa0
[ 19.430199] [<ffffffff813edb65>] ? pci_match_device+0xe5/0x110
[ 19.430202] [<ffffffff813edca9>] pci_device_probe+0xd9/0x130
[ 19.430206] [<ffffffff814eb25f>] driver_probe_device+0x7f/0x260
[ 19.430209] [<ffffffff814eb523>] __driver_attach+0xa3/0xb0
[ 19.430211] [<ffffffff814eb480>] ? __device_attach+0x40/0x40
[ 19.430215] [<ffffffff814e9193>] bus_for_each_dev+0x73/0xb0
[ 19.430218] [<ffffffff814ead6e>] driver_attach+0x1e/0x20
[ 19.430220] [<ffffffff814ea9a8>] bus_add_driver+0x178/0x230
[ 19.430223] [<ffffffff814ebd94>] driver_register+0x64/0xf0
[ 19.430226] [<ffffffff813ec014>] __pci_register_driver+0x64/0x70
[ 19.430237] [<ffffffffa0109cda>] drm_pci_init+0xfa/0x130 [drm]
[ 19.430240] [<ffffffffa0506000>] ? 0xffffffffa0506000
[ 19.430258] [<ffffffffa05060a0>] i915_init+0xa0/0xa8 [i915]
[ 19.430262] [<ffffffff810020fc>] do_one_initcall+0x8c/0x1d0
[ 19.430266] [<ffffffff81767308>] ? do_init_module+0x28/0x1ce
[ 19.430269] [<ffffffff81767341>] do_init_module+0x61/0x1ce
[ 19.430273] [<ffffffff8110746c>] load_module+0x1f6c/0x24b0
[ 19.430276] [<ffffffff81103ae0>] ? __symbol_put+0x40/0x40
[ 19.430281] [<ffffffff81107a66>] SyS_init_module+0xb6/0xe0
[ 19.430285] [<ffffffff81772f4d>] system_call_fastpath+0x16/0x1b
[ 19.430287] ---[ end trace a75358bf753fdfc1 ]---
Trace #2:
[ 19.451698] ------------[ cut here ]------------
[ 19.451723] WARNING: CPU: 3 PID: 80 at
drivers/gpu/drm/drm_atomic.c:482 drm_atomic_check_only+0x33d/0x500
[drm]()
[ 19.451780] Modules linked in: mac80211 i915 snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic uvcvideo snd_hda_intel
snd_hda_controller videobuf2_vmalloc snd_hda_codec videobuf2_memops
rfcomm videobuf2_core bnep v4l2_common i2c_algo_bit cdc_ether
snd_hwdep iwlwifi joydev parport_pc ppdev option videodev snd_pcm
usb_wwan drm_kms_helper usbserial usbnet cfg80211 snd_seq_midi
snd_seq_midi_event btusb snd_rawmidi bluetooth snd_seq drm snd_timer
psmouse snd_seq_device snd serio_raw samsung_laptop video lpc_ich
soundcore intel_rst wmi mac_hid lp binfmt_misc parport hid_generic
usbhid hid r8169 mii usb_storage
[ 19.451784] CPU: 3 PID: 80 Comm: kworker/u16:5 Tainted: G W
4.0.0-rc5-1-iniza-small #1
[ 19.451786] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
[ 19.451793] Workqueue: events_unbound async_run_entry_fn
[ 19.451799] ffffffffa0132b4b ffff8800d43cb7d8 ffffffff81769019
0000000000000000
[ 19.451802] 0000000000000000 ffff8800d43cb818 ffffffff810757ba
2222222222222222
[ 19.451805] 0000000000000030 ffff8800c8c50640 ffff8800c4853140
ffff8800cc10f400
[ 19.451806] Call Trace:
[ 19.451812] [<ffffffff81769019>] dump_stack+0x4c/0x65
[ 19.451815] [<ffffffff810757ba>] warn_slowpath_common+0x8a/0xc0
[ 19.451818] [<ffffffff810758aa>] warn_slowpath_null+0x1a/0x20
[ 19.451832] [<ffffffffa011e33d>] drm_atomic_check_only+0x33d/0x500 [drm]
[ 19.451836] [<ffffffff811a1676>] ? kmemdup+0x36/0x50
[ 19.451849] [<ffffffffa011e517>] drm_atomic_commit+0x17/0x60 [drm]
[ 19.451856] [<ffffffffa029556d>]
drm_atomic_helper_plane_set_property+0x8d/0xd0 [drm_kms_helper]
[ 19.451867] [<ffffffffa010c78d>] drm_mode_plane_set_obj_prop+0x2d/0x90 [drm]
[ 19.451873] [<ffffffffa029736b>] restore_fbdev_mode+0x6b/0xf0
[drm_kms_helper]
[ 19.451879] [<ffffffffa0299449>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[ 19.451884] [<ffffffffa02994c2>] drm_fb_helper_set_par+0x22/0x50
[drm_kms_helper]
[ 19.451917] [<ffffffffa047ef0a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[ 19.451920] [<ffffffff8141d298>] fbcon_init+0x588/0x610
[ 19.451924] [<ffffffff814a276c>] visual_init+0xbc/0x120
[ 19.451926] [<ffffffff814a503e>] do_bind_con_driver+0x17e/0x3b0
[ 19.451929] [<ffffffff814a57c4>] do_take_over_console+0xb4/0x1e0
[ 19.451932] [<ffffffff814183e3>] do_fbcon_takeover+0x63/0xd0
[ 19.451935] [<ffffffff8141deed>] fbcon_event_notify+0x7ed/0x8f0
[ 19.451938] [<ffffffff8109794f>] notifier_call_chain+0x4f/0x80
[ 19.451941] [<ffffffff81097c31>] __blocking_notifier_call_chain+0x51/0x70
[ 19.451943] [<ffffffff81097c66>] blocking_notifier_call_chain+0x16/0x20
[ 19.451946] [<ffffffff8142019b>] fb_notifier_call_chain+0x1b/0x20
[ 19.451948] [<ffffffff8142243c>] register_framebuffer+0x20c/0x350
[ 19.451954] [<ffffffffa029974c>]
drm_fb_helper_initial_config+0x25c/0x3b0 [drm_kms_helper]
[ 19.451979] [<ffffffffa04801fb>] intel_fbdev_initial_config+0x1b/0x20 [i915]
[ 19.451982] [<ffffffff810995cb>] async_run_entry_fn+0x3b/0x100
[ 19.451984] [<ffffffff81090dcd>] process_one_work+0x1cd/0x550
[ 19.451986] [<ffffffff81090d56>] ? process_one_work+0x156/0x550
[ 19.451988] [<ffffffff8109150b>] worker_thread+0x6b/0x4a0
[ 19.451990] [<ffffffff810914a0>] ? rescuer_thread+0x350/0x350
[ 19.451993] [<ffffffff810967aa>] kthread+0x10a/0x120
[ 19.451995] [<ffffffff817724e0>] ? _raw_spin_unlock_irq+0x30/0x50
[ 19.451998] [<ffffffff810966a0>] ? kthread_create_on_node+0x220/0x220
[ 19.452001] [<ffffffff81772e98>] ret_from_fork+0x58/0x90
[ 19.452003] [<ffffffff810966a0>] ? kthread_create_on_node+0x220/0x220
[ 19.452004] ---[ end trace a75358bf753fdfc2 ]---
If you need more details and informations, please let me know.
Attached are my kernel-config and dmesg output.
Regards,
- Sedat -
View attachment "dmesg_4.0.0-rc5-1-iniza-small.txt" of type "text/plain" (66322 bytes)
Download attachment "config-4.0.0-rc5-1-iniza-small" of type "application/octet-stream" (125161 bytes)
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