Re: [regression] Re: [Linux-v4.2-10463-g9a9952bbd76a] i915: WARNING: intel_display.c:1377 assert_planes_disabled

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On Wed, Sep 23, 2015 at 9:18 AM, Daniel Vetter <daniel@xxxxxxxx> wrote:
> Adding Jairo to track this regression.

Hi,

commit 721a09f7393de6c28a07516dccd654c6e995944a
"drm/i915: Add primary plane to mask if it's visible"

...pending in drm-intel.git#drm-intel-fixes fixes the issue here.

- sed@ -

[1] http://cgit.freedesktop.org/drm-intel/commit/?h=drm-intel-fixes&id=721a09f7393de6c28a07516dccd654c6e995944a

> -Daniel
>
> On Wed, Sep 23, 2015 at 08:23:04AM +0200, Sedat Dilek wrote:
>> On Sun, Sep 13, 2015 at 9:06 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>> > On Wed, Sep 9, 2015 at 4:42 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>> >> [ TO INTEL DRM DRIVERS maintainers ]
>> >>
>> >> Hi,
>> >>
>> >> out of curiosity and to play with the new bindeb-pkg make-target I
>> >> built pre-v4.3-rc1 (git-describe says v4.2-10463-g9a9952bbd76a)
>> >> Debian-kernel packages.
>> >>
>> >> I see several bugs and call-traces.
>> >>
>> >> Two hit a warning in i915 (one snippet here, full dmesg-log and
>> >> kernel-config are attached).
>> >>
>> >> [   20.920943] ------------[ cut here ]------------
>> >> [   20.920982] WARNING: CPU: 0 PID: 114 at
>> >> drivers/gpu/drm/i915/intel_display.c:1377
>> >> assert_planes_disabled+0xe4/0x150 [i915]()
>> >> [   20.920983] plane A assertion failure, should be disabled but not
>> >> [   20.921023] Modules linked in: i915 mac80211 snd_hda_codec_hdmi
>> >> snd_hda_codec_realtek snd_hda_codec_generic uvcvideo snd_hda_intel
>> >> snd_hda_codec videobuf2_vmalloc videobuf2_memops videobuf2_core rfcomm
>> >> joydev bnep v4l2_common snd_hwdep iwlwifi videodev usb_storage
>> >> kvm_intel snd_hda_core parport_pc cfg80211 btusb i2c_algo_bit
>> >> drm_kms_helper ppdev btrtl btbcm snd_pcm btintel kvm bluetooth
>> >> snd_seq_midi psmouse snd_seq_midi_event snd_rawmidi syscopyarea
>> >> snd_seq sysfillrect sysimgblt fb_sys_fops drm snd_timer snd_seq_device
>> >> serio_raw samsung_laptop snd lpc_ich video soundcore wmi intel_rst
>> >> mac_hid lp parport binfmt_misc hid_generic usbhid hid r8169 mii
>> >> [   20.921026] CPU: 0 PID: 114 Comm: kworker/u16:5 Not tainted
>> >> 4.2.0-10463.1-iniza-small #1
>> >> [   20.921027] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
>> >> 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
>> >> [   20.921033] Workqueue: events_unbound async_run_entry_fn
>> >> [   20.921037]  ffffffffa06a9d60 ffff8800378af718 ffffffff813df89b
>> >> ffff8800378af760
>> >> [   20.921039]  ffff8800378af750 ffffffff8107cdc6 ffff8800c2000000
>> >> 0000000000000000
>> >> [   20.921042]  0000000000000000 ffff8800bf90b000 ffff8800bf90b000
>> >> ffff8800378af7b0
>> >> [   20.921043] Call Trace:
>> >> [   20.921046]  [<ffffffff813df89b>] dump_stack+0x4b/0x70
>> >> [   20.921050]  [<ffffffff8107cdc6>] warn_slowpath_common+0x86/0xc0
>> >> [   20.921052]  [<ffffffff8107ce4c>] warn_slowpath_fmt+0x4c/0x50
>> >> [   20.921081]  [<ffffffffa0634af4>] assert_planes_disabled+0xe4/0x150 [i915]
>> >> [   20.921106]  [<ffffffffa063e8bf>] intel_disable_pipe+0x4f/0x2d0 [i915]
>> >> [   20.921129]  [<ffffffffa063eeb5>] ironlake_crtc_disable+0x85/0x7d0 [i915]
>> >> [   20.921151]  [<ffffffffa063a9ce>] ?
>> >> intel_crtc_disable_planes+0xde/0xf0 [i915]
>> >> [   20.921176]  [<ffffffffa0647a58>] intel_atomic_commit+0x108/0x1370 [i915]
>> >> [   20.921192]  [<ffffffffa00f1957>] ? drm_atomic_check_only+0x1d7/0x5a0 [drm]
>> >> [   20.921205]  [<ffffffffa00f15c9>] ?
>> >> drm_atomic_get_connector_state+0x49/0x110 [drm]
>> >> [   20.921216]  [<ffffffffa00f1d57>] drm_atomic_commit+0x37/0x60 [drm]
>> >> [   20.921223]  [<ffffffffa02138aa>]
>> >> drm_atomic_helper_set_config+0x1ca/0x430 [drm_kms_helper]
>> >> [   20.921234]  [<ffffffffa00e13c5>]
>> >> drm_mode_set_config_internal+0x65/0x110 [drm]
>> >> [   20.921240]  [<ffffffffa021674e>] restore_fbdev_mode+0xbe/0xe0
>> >> [drm_kms_helper]
>> >> [   20.921246]  [<ffffffffa0218615>]
>> >> drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>> >> [   20.921251]  [<ffffffffa021868d>] drm_fb_helper_set_par+0x2d/0x50
>> >> [drm_kms_helper]
>> >> [   20.921280]  [<ffffffffa065dfba>] intel_fbdev_set_par+0x1a/0x60 [i915]
>> >> [   20.921283]  [<ffffffff8144e12e>] fbcon_init+0x53e/0x5d0
>> >> [   20.921286]  [<ffffffff814d32ca>] visual_init+0xca/0x130
>> >> [   20.921289]  [<ffffffff814d5877>] do_bind_con_driver+0x167/0x3a0
>> >> [   20.921292]  [<ffffffff814d5d5c>] do_take_over_console+0xac/0x1d0
>> >> [   20.921294]  [<ffffffff81449e27>] do_fbcon_takeover+0x57/0xb0
>> >> [   20.921296]  [<ffffffff8144ecd2>] fbcon_event_notify+0x752/0x860
>> >> [   20.921299]  [<ffffffff810a2ce5>] ? __blocking_notifier_call_chain+0x35/0x70
>> >> [   20.921301]  [<ffffffff810a2aed>] notifier_call_chain+0x5d/0x80
>> >> [   20.921304]  [<ffffffff810a2cfd>] __blocking_notifier_call_chain+0x4d/0x70
>> >> [   20.921306]  [<ffffffff810a2d36>] blocking_notifier_call_chain+0x16/0x20
>> >> [   20.921308]  [<ffffffff8145162b>] fb_notifier_call_chain+0x1b/0x20
>> >> [   20.921311]  [<ffffffff81453854>] register_framebuffer+0x204/0x330
>> >> [   20.921317]  [<ffffffffa02188e4>]
>> >> drm_fb_helper_initial_config+0x234/0x3b0 [drm_kms_helper]
>> >> [   20.921344]  [<ffffffffa065f15b>] intel_fbdev_initial_config+0x1b/0x20 [i915]
>> >> [   20.921346]  [<ffffffff810a4807>] async_run_entry_fn+0x37/0xe0
>> >> [   20.921349]  [<ffffffff8109a8b1>] process_one_work+0x1e1/0x620
>> >> [   20.921352]  [<ffffffff8109a826>] ? process_one_work+0x156/0x620
>> >> [   20.921353]  [<ffffffff8109b589>] worker_thread+0x69/0x480
>> >> [   20.921355]  [<ffffffff8109b520>] ? cancel_delayed_work_sync+0x20/0x20
>> >> [   20.921357]  [<ffffffff810a17ea>] kthread+0x10a/0x120
>> >> [   20.921360]  [<ffffffff810a16e0>] ? kthread_create_on_node+0x200/0x200
>> >> [   20.921364]  [<ffffffff817badef>] ret_from_fork+0x3f/0x70
>> >> [   20.921366]  [<ffffffff810a16e0>] ? kthread_create_on_node+0x200/0x200
>> >> [   20.921367] ---[ end trace 85fce5c152ff4528 ]---
>> >>
>> >> Some intelgfx hardware infos (see attached Xorg.0.log)...
>> >>
>> >> [    27.487] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD
>> >> Graphics 3000
>> >> [    27.565] (II) intel(0): SNA initialized with Sandybridge (gen6, gt2) backend
>> >>
>> >> Please have a look at it.
>> >>
>> >> If this is a known issue, please let me know and kindly point me to a
>> >> patch (patchwork preferred) or commit-id in drm-intel Git.
>> >> ( Sorry, I have not checked any mailing-lists or patchwork. )
>> >>
>> >> If you need more infos, logs and/or debug material please let me know
>> >> and give clear instructions (especially for debugging).
>> >>
>> >>
>> >
>> > I still see this issue with Linux v4.3-rc1.
>> >
>>
>> Hi Daniel,
>>
>> any progress with this reported issue?
>>
>> I looked into drm-intel.git#drm-intel-fixes, but see only a kernel-doc fix.
>> ( I tried also some drm-intel-nightly, not the latest - and still saw
>> the issue. )
>>
>> This issue is still alive in Linux v4.3-rc2.
>>
>> What can I do to help?
>>
>> Please, take care of this.
>>
>> Thanks!.
>>
>> Regards,
>> - Sedat -
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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