linux-kernel - Warning in i915/intel

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Date:   Fri, 15 Dec 2017 17:08:13 +0530
From:   Jaswinder Singh Rajput <jaswinder@...fectintelligent.com>
To:     linux-kernel@...r.kernel.org, mika.kahola@...el.com,
        ville.syrjala@...ux.intel.com, ramalingam.c@...el.com,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, intel-gfx@...ts.freedesktop.org
Subject: Warning in i915/intel_audio.c

Hello friends,

I am getting multiple warnings in i915/intel_audio.c . I am attaching 
dmesg, config and lsmod for your reference.


[    0.390606] WARN_ON(pipe >= intel_info((dev_priv))->num_pipes)
[    0.390619] WARNING: CPU: 1 PID: 1051 at 
drivers/gpu/drm/i915/intel_audio.c:757 get_saved_enc+0x74/0x80
[    0.390620] Modules linked in:
[    0.390621] CPU: 1 PID: 1051 Comm: kworker/1:2 Not tainted 
4.15.0-rc3+ #13
[    0.390622] Hardware name: Gigabyte Technology Co., Ltd. 
H81M-S/H81M-S, BIOS F2 08/19/2015
[    0.390624] Workqueue: events azx_probe_work
[    0.390625] RIP: 0010:get_saved_enc+0x74/0x80
[    0.390626] RSP: 0018:ffff9b650061fba8 EFLAGS: 00010292
[    0.390627] RAX: 0000000000000032 RBX: ffff888e17384cb8 RCX: 
0000000000000000
[    0.390627] RDX: 0000000000000001 RSI: 0000000000000002 RDI: 
ffffffff97032bb0
[    0.390627] RBP: ffff888e17380000 R08: 0000000000000032 R09: 
0000000000000032
[    0.390628] R10: ffff888e19cc3840 R11: 00000000000344e0 R12: 
0000000000000100
[    0.390628] R13: 0000000000000001 R14: ffff888e168fba08 R15: 
ffff888e168fba10
[    0.390629] FS:  0000000000000000(0000) GS:ffff888e1f300000(0000) 
knlGS:0000000000000000
[    0.390629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.390630] CR2: 00007f7dd01c6914 CR3: 000000003da0a001 CR4: 
00000000000606e0
[    0.390630] Call Trace:
[    0.390633]  i915_audio_component_get_eld+0x43/0xe0
[    0.390635]  hdmi_present_sense+0x95/0x330
[    0.390636]  generic_hdmi_build_controls+0x143/0x1e0
[    0.390638]  snd_hda_codec_build_controls+0x178/0x1c0
[    0.390639]  ? snd_hda_codec_build_pcms+0x14f/0x1a0
[    0.390641]  hda_codec_driver_probe+0x76/0x100
[    0.390644]  driver_probe_device+0x27d/0x310
[    0.390645]  ? __driver_attach+0xa0/0xa0
[    0.390646]  bus_for_each_drv+0x50/0x80
[    0.390647]  __device_attach+0xb0/0x110
[    0.390649]  bus_probe_device+0x82/0x90
[    0.390650]  device_add+0x2dc/0x570
[    0.390652]  snd_hdac_device_register+0xd/0x40
[    0.390654]  snd_hda_codec_configure+0x32/0x120
[    0.390655]  azx_codec_configure+0x2a/0x60
[    0.390656]  azx_probe_work+0x40c/0x860
[    0.390659]  process_one_work+0x1d2/0x3c0
[    0.390660]  worker_thread+0x42/0x3e0
[    0.390661]  kthread+0xf0/0x130
[    0.390663]  ? trace_event_raw_event_workqueue_work+0x80/0x80
[    0.390664]  ? kthread_create_worker_on_cpu+0x40/0x40
[    0.390665]  ? call_usermodehelper_exec_async+0x11c/0x120
[    0.390667]  ret_from_fork+0x1f/0x30
[    0.390668] Code: 83 c2 01 39 d1 7f e0 31 c0 c3 83 78 70 0b 74 f9 31 
c0 85 d2 74 cb eb f1 48 c7 c6 d0 c0 df 96 48 c7 c7 57 dd db 96 e8 9c 2d 
bf ff <0f> ff 31 c0 c3 0f 1f 80 00 00 00 00 41 57 4d 89 c7 41 56 49 89
[    0.390679] ---[ end trace 9a14f34c58dc94ff ]---


Thanks,
--
Jaswinder Singh Rajput


View attachment "lsmod_duo_3" of type "text/plain" (190 bytes)

View attachment "dmesg_duo_3" of type "text/plain" (89759 bytes)

View attachment "config-duo_3" of type "text/plain" (106944 bytes)