We have a few new WARN spews from snd-hda causing some grief in i915 CI. This one happens on ILK and BYT. Looks like it happens 100% of the time on driver load: [ 18.809850] ------------[ cut here ]------------ [ 18.809866] WARNING: CPU: 0 PID: 39 at sound/hda/hdac_i915.c:129 pin2port+0x25/0x30 [snd_hda_core]() [ 18.809869] Modules linked in: ax88179_178a usbnet mii intel_powerclamp coretemp crct10dif_pclmul i915 snd_hda_codec_hdmi snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm mei_me mei lpc_ich sdhci_pci sdhci mmc_core e1000e ptp pps_core [ 18.809903] CPU: 0 PID: 39 Comm: kworker/0:1 Not tainted 4.5.0-gfxbench+ #1 [ 18.809905] Hardware name: Hewlett-Packard HP EliteBook 8440p/172A, BIOS 68CCU Ver. F.24 09/13/2013 [ 18.809912] Workqueue: events azx_probe_work [snd_hda_intel] [ 18.809915] 0000000000000000 ffff8800b646b9e8 ffffffff813fef15 0000000000000000 [ 18.809920] ffffffffa00f277c ffff8800b646ba20 ffffffff81078a21 ffff8800b2436000 [ 18.809924] ffff8800b24755e8 ffff8800b24755f0 0000000000000100 ffff8800aed08330 [ 18.809929] Call Trace: [ 18.809936] [<ffffffff813fef15>] dump_stack+0x67/0x92 [ 18.809942] [<ffffffff81078a21>] warn_slowpath_common+0x81/0xc0 [ 18.809945] [<ffffffff81078b15>] warn_slowpath_null+0x15/0x20 [ 18.809953] [<ffffffffa00f12d5>] pin2port+0x25/0x30 [snd_hda_core] [ 18.809960] [<ffffffffa00f1378>] snd_hdac_acomp_get_eld+0x38/0x70 [snd_hda_core] [ 18.809966] [<ffffffffa017da52>] hdmi_present_sense+0x92/0x370 [snd_hda_codec_hdmi] [ 18.809971] [<ffffffffa017e0ff>] generic_hdmi_build_controls+0x11f/0x200 [snd_hda_codec_hdmi] [ 18.809985] [<ffffffffa01105b1>] snd_hda_codec_build_controls+0x191/0x1d0 [snd_hda_codec] [ 18.809993] [<ffffffffa0110881>] ? snd_hda_codec_build_pcms+0xe1/0x1a0 [snd_hda_codec] [ 18.809999] [<ffffffffa010b442>] hda_codec_driver_probe+0x82/0x100 [snd_hda_codec] [ 18.810005] [<ffffffff8153d729>] driver_probe_device+0x229/0x450 [ 18.810008] [<ffffffff8153da7d>] __device_attach_driver+0x6d/0x80 [ 18.810011] [<ffffffff8153da10>] ? driver_allows_async_probing+0x30/0x30 [ 18.810015] [<ffffffff8153b4b8>] bus_for_each_drv+0x58/0x90 [ 18.810018] [<ffffffff8153d3c8>] __device_attach+0xb8/0x130 [ 18.810022] [<ffffffff8153dc0e>] device_initial_probe+0xe/0x10 [ 18.810025] [<ffffffff8153c76e>] bus_probe_device+0x9e/0xb0 [ 18.810028] [<ffffffff8153a5a1>] device_add+0x421/0x5f0 [ 18.810035] [<ffffffff817c2599>] ? mutex_unlock+0x9/0x10 [ 18.810041] [<ffffffffa00eba7f>] snd_hdac_device_register+0xf/0x40 [snd_hda_core] [ 18.810048] [<ffffffffa010b1f6>] snd_hda_codec_configure+0x36/0x180 [snd_hda_codec] [ 18.810057] [<ffffffffa01150c3>] azx_codec_configure+0x23/0x40 [snd_hda_codec] [ 18.810062] [<ffffffffa0134707>] azx_probe_work+0x567/0x870 [snd_hda_intel] [ 18.810067] [<ffffffff81093c8b>] process_one_work+0x1cb/0x680 [ 18.810070] [<ffffffff81093c06>] ? process_one_work+0x146/0x680 [ 18.810073] [<ffffffff81094189>] worker_thread+0x49/0x490 [ 18.810076] [<ffffffff81094140>] ? process_one_work+0x680/0x680 [ 18.810081] [<ffffffff8109a87a>] kthread+0xea/0x100 [ 18.810085] [<ffffffff817c5407>] ? _raw_spin_unlock_irq+0x27/0x50 [ 18.810090] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0 [ 18.810093] [<ffffffff817c60bf>] ret_from_fork+0x3f/0x70 [ 18.810097] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0 [ 18.810277] ---[ end trace 2d4983bcfed2cd4b ]--- This other one was seen at least on on SKL: [ 124.808525] ------------[ cut here ]------------ [ 124.808545] WARNING: CPU: 3 PID: 173 at sound/hda/hdac_i915.c:91 snd_hdac_display_power+0xf1/0x110 [snd_hda_core]() [ 124.808551] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp i915 crct10dif_pclmul snd_hda_intel crc32_pclmul snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core snd_pcm mei_me mei i2c_hid sdhci_pci e1000e ptp sdhci pps_core mmc_core [ 124.808603] CPU: 3 PID: 173 Comm: kworker/3:2 Tainted: G W 4.5.0-gfxbench+ #1 [ 124.808608] Hardware name: /NUC6i5SYB, BIOS SYSKLi35.86A.0028.2015.1112.1822 11/12/2015 [ 124.808616] Workqueue: pm pm_runtime_work [ 124.808639] 0000000000000000 ffff88026423fbb8 ffffffff813fef15 0000000000000000 [ 124.808644] ffffffffa00f877c ffff88026423fbf0 ffffffff81078a21 0000000000000000 [ 124.808648] ffff880085a11148 ffff880085586ab8 ffff8800861b8000 0000000000000000 [ 124.808652] Call Trace: [ 124.808656] [<ffffffff813fef15>] dump_stack+0x67/0x92 [ 124.808660] [<ffffffff81078a21>] warn_slowpath_common+0x81/0xc0 [ 124.808662] [<ffffffff81078b15>] warn_slowpath_null+0x15/0x20 [ 124.808668] [<ffffffffa00f77e1>] snd_hdac_display_power+0xf1/0x110 [snd_hda_core] [ 124.808673] [<ffffffffa015039d>] azx_intel_link_power+0xd/0x10 [snd_hda_intel] [ 124.808680] [<ffffffffa011e32a>] azx_link_power+0x1a/0x30 [snd_hda_codec] [ 124.808684] [<ffffffffa00f21f9>] snd_hdac_link_power+0x29/0x40 [snd_hda_core] [ 124.808690] [<ffffffffa01192a6>] hda_codec_runtime_suspend+0x76/0xa0 [snd_hda_codec] [ 124.808697] [<ffffffffa0119230>] ? hda_codec_runtime_resume+0x50/0x50 [snd_hda_codec] [ 124.808701] [<ffffffff8154719d>] __rpm_callback+0x2d/0x70 [ 124.808704] [<ffffffff815471ff>] rpm_callback+0x1f/0x80 [ 124.808710] [<ffffffffa0119230>] ? hda_codec_runtime_resume+0x50/0x50 [snd_hda_codec] [ 124.808713] [<ffffffff81547764>] rpm_suspend+0x134/0x7f0 [ 124.808716] [<ffffffff810c80a9>] ? __lock_is_held+0x49/0x70 [ 124.808719] [<ffffffff81548129>] rpm_idle+0x209/0x530 [ 124.808722] [<ffffffff815494f9>] pm_runtime_work+0xa9/0xc0 [ 124.808725] [<ffffffff81093c8b>] process_one_work+0x1cb/0x680 [ 124.808728] [<ffffffff81093c06>] ? process_one_work+0x146/0x680 [ 124.808731] [<ffffffff81094189>] worker_thread+0x49/0x490 [ 124.808733] [<ffffffff81094140>] ? process_one_work+0x680/0x680 [ 124.808735] [<ffffffff81094140>] ? process_one_work+0x680/0x680 [ 124.808738] [<ffffffff8109a87a>] kthread+0xea/0x100 [ 124.808742] [<ffffffff817c53d7>] ? _raw_spin_unlock_irq+0x27/0x50 [ 124.808745] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0 [ 124.808749] [<ffffffff817c607f>] ret_from_fork+0x3f/0x70 [ 124.808752] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0 [ 124.808755] ---[ end trace 2b97e417eb08d213 ]--- -- Ville Syrjälä Intel OTC _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
