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Message-ID: <54B270B4.60900@redhat.com> Date: Sun, 11 Jan 2015 13:46:44 +0100 From: Daniel Borkmann <dborkman@...hat.com> To: linux-kernel@...r.kernel.org CC: Daniel Vetter <daniel.vetter@...el.com>, Jani Nikula <jani.nikula@...ux.intel.com>, intel-gfx@...ts.freedesktop.org, David Airlie <airlied@...ux.ie> Subject: WARNING at drivers/gpu/drm/i915/intel_audio.c:291 ilk_audio_codec_disable I constantly get this warning triggered on bootup. Any ideas? ;) Thanks a lot, Daniel [...] [ 4.634728] [drm] Memory usable by graphics device = 2048M [ 4.636017] checking generic (90000000 420000) vs hw (90000000 10000000) [ 4.636020] fb: switching to inteldrmfb from EFI VGA [ 4.637030] Console: switching to colour dummy device 80x25 [ 4.637393] usb 4-1.8.1.1: new full-speed USB device number 6 using ehci-pci [ 4.638716] [drm] Replacing VGA console driver [ 4.687008] apple 0003:05AC:0249.0002: hidraw1: USB HID v1.11 Device [Apple Inc. Apple Internal Keyboard / Trackpad] on usb-0000:00:1d.0-1.8.2/input1 [ 4.691830] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 4.691836] [drm] Driver supports precise vblank timestamp query. [ 4.692334] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 4.714479] usb 4-1.8.1.1: New USB device found, idVendor=05ac, idProduct=820a [ 4.714490] usb 4-1.8.1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 4.716769] input: HID 05ac:820a as /devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.8/4-1.8.1/4-1.8.1.1/4-1.8.1.1:1.0/0003:05AC:820A.0003/input/input5 [ 4.742378] ACPI: Video Device [IGPU] (multi-head: yes rom: no post: no) [ 4.743551] acpi device:06: registered as cooling_device4 [ 4.744023] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6 [ 4.768459] hid-generic 0003:05AC:820A.0003: input,hidraw2: USB HID v1.11 Keyboard [HID 05ac:820a] on usb-0000:00:1d.0-1.8.1.1/input0 [ 4.768810] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor 0 [ 4.801685] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2 [ 4.811196] fbcon: inteldrmfb (fb0) is primary device [ 4.811359] ------------[ cut here ]------------ [ 4.811387] WARNING: CPU: 0 PID: 96 at drivers/gpu/drm/i915/intel_audio.c:291 ilk_audio_codec_disable+0x166/0x1a0 [i915]() [ 4.811388] WARN_ON(!port) [ 4.811392] Modules linked in: i915 i2c_algo_bit drm_kms_helper drm i2c_core video [ 4.811394] CPU: 0 PID: 96 Comm: kworker/u16:6 Not tainted 3.19.0-rc2+ #81 [ 4.811395] Hardware name: Apple Inc. MacBookAir5,1/Mac-66F35F19FE2A0D05, BIOS MBA51.88Z.00EF.B02.1211271028 11/27/2012 [ 4.811400] Workqueue: events_unbound async_run_entry_fn [ 4.811402] ffffffffa0164018 ffff880261baf608 ffffffff8174e91c ffff880265785a00 [ 4.811404] ffff880261baf658 ffff880261baf648 ffffffff810913ca 0000000000000282 [ 4.811407] ffff88025f500000 0000000000000111 00000000000e50c0 0000000000000000 [ 4.811407] Call Trace: [ 4.811412] [<ffffffff8174e91c>] dump_stack+0x4c/0x65 [ 4.811415] [<ffffffff810913ca>] warn_slowpath_common+0x8a/0xc0 [ 4.811417] [<ffffffff81091446>] warn_slowpath_fmt+0x46/0x50 [ 4.811435] [<ffffffffa00f7606>] ilk_audio_codec_disable+0x166/0x1a0 [i915] [ 4.811451] [<ffffffffa00f7ece>] intel_audio_codec_disable+0x1e/0x30 [i915] [ 4.811472] [<ffffffffa012f1b5>] intel_disable_dp+0x65/0x70 [i915] [ 4.811489] [<ffffffffa010a7ea>] ironlake_crtc_disable+0x16a/0x7c0 [i915] [ 4.811504] [<ffffffffa010be19>] __intel_set_mode+0xa69/0xc80 [i915] [ 4.811520] [<ffffffffa0112752>] intel_crtc_set_config+0x9f2/0xf80 [i915] [ 4.811530] [<ffffffffa00327a2>] drm_mode_set_config_internal+0x72/0x120 [drm] [ 4.811535] [<ffffffffa0092478>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper] [ 4.811539] [<ffffffffa0094359>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] [ 4.811542] [<ffffffffa00943d2>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] [ 4.811560] [<ffffffffa011fe7a>] intel_fbdev_set_par+0x1a/0x60 [i915] [ 4.811563] [<ffffffff813e5d14>] fbcon_init+0x4f4/0x580 [ 4.811565] [<ffffffff81460fcc>] visual_init+0xbc/0x120 [ 4.811567] [<ffffffff81463693>] do_bind_con_driver+0x163/0x330 [ 4.811569] [<ffffffff81463e14>] do_take_over_console+0x114/0x1c0 [ 4.811571] [<ffffffff813e13f3>] do_fbcon_takeover+0x63/0xd0 [ 4.811573] [<ffffffff813e67bd>] fbcon_event_notify+0x68d/0x7e0 [ 4.811575] [<ffffffff810b137c>] notifier_call_chain+0x4c/0x70 [ 4.811578] [<ffffffff810b1653>] __blocking_notifier_call_chain+0x53/0x70 [ 4.811580] [<ffffffff810b1686>] blocking_notifier_call_chain+0x16/0x20 [ 4.811582] [<ffffffff813ecc5b>] fb_notifier_call_chain+0x1b/0x20 [ 4.811584] [<ffffffff813eef3c>] register_framebuffer+0x1ec/0x330 [ 4.811588] [<ffffffffa009465c>] drm_fb_helper_initial_config+0x25c/0x3b0 [drm_kms_helper] [ 4.811604] [<ffffffffa01211ab>] intel_fbdev_initial_config+0x1b/0x20 [i915] [ 4.811616] [<ffffffff810b305a>] async_run_entry_fn+0x4a/0x140 [ 4.811618] [<ffffffff810aaa72>] process_one_work+0x1c2/0x4f0 [ 4.811620] [<ffffffff810aa9fb>] ? process_one_work+0x14b/0x4f0 [ 4.811622] [<ffffffff810aaebb>] worker_thread+0x11b/0x4a0 [ 4.811624] [<ffffffff810aada0>] ? process_one_work+0x4f0/0x4f0 [ 4.811626] [<ffffffff810b01ef>] kthread+0xef/0x110 [ 4.811628] [<ffffffff810b0100>] ? kthread_create_on_node+0x210/0x210 [ 4.811632] [<ffffffff81757dbc>] ret_from_fork+0x7c/0xb0 [ 4.811634] [<ffffffff810b0100>] ? kthread_create_on_node+0x210/0x210 [ 4.811635] ---[ end trace 14b371fe6863e3e5 ]--- [ 4.831049] usb 4-1.8.1.2: new full-speed USB device number 7 using ehci-pci [ 4.911944] usb 4-1.8.1.2: New USB device found, idVendor=05ac, idProduct=820b [ 4.911948] usb 4-1.8.1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [...] -- 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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