[Bug 89958] New: [IVB Macbook] WARNING: CPU: 0 PID: 6 at drivers/gpu/drm/i915/intel_audio.c:294 ilk_audio_codec_disable

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 8 11:29:24 PDT 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=89958

            Bug ID: 89958
           Summary: [IVB Macbook] WARNING: CPU: 0 PID: 6 at
                    drivers/gpu/drm/i915/intel_audio.c:294
                    ilk_audio_codec_disable
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: chris.bainbridge at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 114967
  --> https://bugs.freedesktop.org/attachment.cgi?id=114967&action=edit
log with drm.debug=0xe

Linux version 4.0.0-rc7

Apr 08 19:22:44 debian kernel: ------------[ cut here ]------------
Apr 08 19:22:44 debian kernel: WARNING: CPU: 0 PID: 6 at
drivers/gpu/drm/i915/intel_audio.c:294 ilk_audio_codec_disable+0x170/0x1b0()
Apr 08 19:22:44 debian kernel: WARN_ON(!port)
Apr 08 19:22:44 debian kernel: Modules linked in:
Apr 08 19:22:44 debian kernel: CPU: 0 PID: 6 Comm: kworker/u16:0 Not tainted
4.0.0-rc7 #48
Apr 08 19:22:44 debian kernel: Hardware name: Apple Inc.
MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B07.1501071215
01/07/2015
Apr 08 19:22:44 debian kernel: Workqueue: events_unbound async_run_entry_fn
Apr 08 19:22:44 debian kernel:  ffffffff81c02f78 ffff880265a57638
ffffffff8184b86e 000000000000a4a4
Apr 08 19:22:44 debian kernel:  ffff880265a57688 ffff880265a57678
ffffffff8104f2e5 ffff880265a57680
Apr 08 19:22:44 debian kernel:  ffff880263cb0000 00000000fffffeee
0000000030000000 00000000000e50c0
Apr 08 19:22:44 debian kernel: Call Trace:
Apr 08 19:22:44 debian kernel:  [<ffffffff8184b86e>] dump_stack+0x45/0x57
Apr 08 19:22:44 debian kernel:  [<ffffffff8104f2e5>]
warn_slowpath_common+0x85/0xc0
Apr 08 19:22:44 debian kernel:  [<ffffffff8104f361>]
warn_slowpath_fmt+0x41/0x50
Apr 08 19:22:44 debian kernel:  [<ffffffff814bcb50>]
ilk_audio_codec_disable+0x170/0x1b0
Apr 08 19:22:44 debian kernel:  [<ffffffff814bd559>]
intel_audio_codec_disable+0x19/0x20
Apr 08 19:22:44 debian kernel:  [<ffffffff814f6dcd>] intel_disable_dp+0x9d/0xe0
Apr 08 19:22:44 debian kernel:  [<ffffffff814d0762>]
ironlake_crtc_disable+0x162/0x7f0
Apr 08 19:22:44 debian kernel:  [<ffffffff814d1cb1>]
__intel_set_mode+0x951/0xb10
Apr 08 19:22:44 debian kernel:  [<ffffffff814d8da3>]
intel_crtc_set_config+0xc13/0xfe0
Apr 08 19:22:44 debian kernel:  [<ffffffff81465600>] ?
drm_atomic_state_free+0x50/0x60
Apr 08 19:22:44 debian kernel:  [<ffffffff81441f05>] ?
drm_atomic_helper_plane_set_property+0x85/0xd0
Apr 08 19:22:44 debian kernel:  [<ffffffff81456176>]
drm_mode_set_config_internal+0x66/0x100
Apr 08 19:22:44 debian kernel:  [<ffffffff81443858>]
restore_fbdev_mode+0xc8/0xf0
Apr 08 19:22:44 debian kernel:  [<ffffffff81445864>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x24/0x70
Apr 08 19:22:44 debian kernel:  [<ffffffff814458cd>]
drm_fb_helper_set_par+0x1d/0x40
Apr 08 19:22:44 debian kernel:  [<ffffffff814e76d5>]
intel_fbdev_set_par+0x15/0x60
Apr 08 19:22:44 debian kernel:  [<ffffffff813a8fc8>] fbcon_init+0x568/0x5f0
Apr 08 19:22:44 debian kernel:  [<ffffffff81406f07>] visual_init+0xb7/0x120
Apr 08 19:22:44 debian kernel:  [<ffffffff81409546>]
do_bind_con_driver+0x176/0x3b0
Apr 08 19:22:44 debian kernel:  [<ffffffff81409cd4>]
do_take_over_console+0xb4/0x1e0
Apr 08 19:22:44 debian kernel:  [<ffffffff813a424b>]
do_fbcon_takeover+0x5b/0xc0
Apr 08 19:22:44 debian kernel:  [<ffffffff813a9bfd>]
fbcon_event_notify+0x7dd/0x8e0
Apr 08 19:22:44 debian kernel:  [<ffffffff8106bf1f>]
notifier_call_chain+0x4f/0x80
Apr 08 19:22:44 debian kernel:  [<ffffffff8106c236>]
__blocking_notifier_call_chain+0x46/0x70
Apr 08 19:22:44 debian kernel:  [<ffffffff8106c271>]
blocking_notifier_call_chain+0x11/0x20
Apr 08 19:22:44 debian kernel:  [<ffffffff813abf16>]
fb_notifier_call_chain+0x16/0x20
Apr 08 19:22:44 debian kernel:  [<ffffffff813ae1ce>]
register_framebuffer+0x1fe/0x340
Apr 08 19:22:44 debian kernel:  [<ffffffff81445b44>]
drm_fb_helper_initial_config+0x254/0x3a0
Apr 08 19:22:44 debian kernel:  [<ffffffff814e8976>]
intel_fbdev_initial_config+0x16/0x20
Apr 08 19:22:44 debian kernel:  [<ffffffff8106d8d6>]
async_run_entry_fn+0x36/0xf0
Apr 08 19:22:44 debian kernel:  [<ffffffff810661a0>]
process_one_work+0x150/0x420
Apr 08 19:22:44 debian kernel:  [<ffffffff810667cb>] worker_thread+0x6b/0x480
Apr 08 19:22:44 debian kernel:  [<ffffffff81066760>] ?
rescuer_thread+0x2f0/0x2f0
Apr 08 19:22:44 debian kernel:  [<ffffffff8106b116>] kthread+0xd6/0xf0
Apr 08 19:22:44 debian kernel:  [<ffffffff8106b040>] ?
kthread_create_on_node+0x180/0x180
Apr 08 19:22:44 debian kernel:  [<ffffffff81853b88>] ret_from_fork+0x58/0x90
Apr 08 19:22:44 debian kernel:  [<ffffffff8106b040>] ?
kthread_create_on_node+0x180/0x180
Apr 08 19:22:44 debian kernel: ---[ end trace 072ac885e95a39f4 ]---

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