Seen when booting chromeos-4.14 on Samus.

2018-05-17T12:04:54.025145-07:00 DEBUG kernel: [    5.023417] acpi RT5677CE:00: GPIO: _DSD returned RT5677CE:00 0 0 0
2018-05-17T12:04:54.025221-07:00 WARNING kernel: [    5.023443] ------------[ cut here ]------------
2018-05-17T12:04:54.025224-07:00 WARNING kernel: [    5.023451] WARNING: CPU: 1 PID: 1787 at ../../../../../tmp/portage/sys-kernel/chromeos-kernel-4_14-4.14.40-r279/work/chromeos-kernel-4_14-4.14.40/drivers/gpio/gpiolib.c:2147 gpiod_free+0x3e/0x43
2018-05-17T12:04:54.025225-07:00 WARNING kernel: [    5.023453] Modules linked in: snd_soc_sst_bdw_rt5677_mach(+) iwlmvm(+) snd_soc_sst_haswell_pcm snd_soc_sst_dsp lzo snd_soc_sst_ipc lzo_compress snd_soc_sst_firmware iwl7000_mac80211 xt_nat zram iwlwifi acpi_als snd_hda_codec_hdmi bridge stp llc snd_seq_dummy snd_hda_intel snd_soc_sst_acpi snd_soc_acpi_intel_match snd_hda_codec snd_soc_acpi snd_hwdep snd_hda_core snd_soc_rt5677 snd_soc_rt5677_spi snd_seq snd_soc_rl6231 snd_seq_device ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat xt_mark fuse cfg80211 iio_trig_sysfs cros_ec_sensors_ring cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio ip6table_filter btusb btrtl btbcm btintel uvcvideo bluetooth videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 ecdh_generic videobuf2_core smsc75xx smsc95xx
2018-05-17T12:04:54.025227-07:00 WARNING kernel: [    5.023500]  usbnet mii joydev
2018-05-17T12:04:54.025228-07:00 WARNING kernel: [    5.023506] CPU: 1 PID: 1787 Comm: udevd Tainted: G     U          4.14.40-05001-gabeda530bb58 #1
2018-05-17T12:04:54.025229-07:00 WARNING kernel: [    5.023509] Hardware name: GOOGLE Samus, BIOS Google_Samus.6300.276.0 08/17/2016
2018-05-17T12:04:54.025230-07:00 WARNING kernel: [    5.023512] task: ffff9c2a0e712b80 task.stack: ffffb20841484000
2018-05-17T12:04:54.025230-07:00 WARNING kernel: [    5.023516] RIP: 0010:gpiod_free+0x3e/0x43
2018-05-17T12:04:54.025231-07:00 WARNING kernel: [    5.023519] RSP: 0018:ffffb20841487aa0 EFLAGS: 00010246
2018-05-17T12:04:54.025232-07:00 WARNING kernel: [    5.023522] RAX: 0000000000000000 RBX: ffffffffc03ee6f0 RCX: 0000000000000000
2018-05-17T12:04:54.025233-07:00 WARNING kernel: [    5.023524] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000000
2018-05-17T12:04:54.025234-07:00 WARNING kernel: [    5.023527] RBP: ffffb20841487aa8 R08: ffffffffc03ee6c0 R09: 0000000000000000
2018-05-17T12:04:54.025235-07:00 WARNING kernel: [    5.023529] R10: ffffb208414879e8 R11: ffff9c29f4ea9668 R12: ffff9c2a02181468
2018-05-17T12:04:54.025236-07:00 WARNING kernel: [    5.023532] R13: ffffffffc03eebc0 R14: ffffffffc03ee6c0 R15: 00000000ffffffea
2018-05-17T12:04:54.025237-07:00 WARNING kernel: [    5.023535] FS:  00007e7f686dc800(0000) GS:ffff9c2a3ec80000(0000) knlGS:0000000000000000
2018-05-17T12:04:54.025238-07:00 WARNING kernel: [    5.023538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2018-05-17T12:04:54.025239-07:00 WARNING kernel: [    5.023540] CR2: 00005baffa8c2960 CR3: 000000044e5f2004 CR4: 00000000003606e0
2018-05-17T12:04:54.025240-07:00 WARNING kernel: [    5.023542] Call Trace:
2018-05-17T12:04:54.025240-07:00 WARNING kernel: [    5.023551]  snd_soc_jack_add_gpios+0x251/0x275
2018-05-17T12:04:54.025241-07:00 WARNING kernel: [    5.023557]  bdw_rt5677_init+0xec/0x196 [snd_soc_sst_bdw_rt5677_mach]
2018-05-17T12:04:54.025242-07:00 WARNING kernel: [    5.023562]  snd_soc_register_card+0x79f/0xe4d
2018-05-17T12:04:54.025243-07:00 WARNING kernel: [    5.023566]  devm_snd_soc_register_card+0x4b/0x78
2018-05-17T12:04:54.025244-07:00 WARNING kernel: [    5.023570]  platform_drv_probe+0x54/0x99
2018-05-17T12:04:54.025245-07:00 WARNING kernel: [    5.023574]  driver_probe_device+0x154/0x2e5
2018-05-17T12:04:54.025246-07:00 WARNING kernel: [    5.023579]  __driver_attach+0x72/0x94
2018-05-17T12:04:54.025247-07:00 WARNING kernel: [    5.023582]  ? driver_probe_device+0x2e5/0x2e5
2018-05-17T12:04:54.025247-07:00 WARNING kernel: [    5.023585]  bus_for_each_dev+0x8e/0xb1
2018-05-17T12:04:54.025248-07:00 WARNING kernel: [    5.023589]  bus_add_driver+0xf1/0x1e0
2018-05-17T12:04:54.025249-07:00 WARNING kernel: [    5.023592]  ? 0xffffffffc0061000
2018-05-17T12:04:54.025250-07:00 WARNING kernel: [    5.023595]  driver_register+0x8e/0xca
2018-05-17T12:04:54.025251-07:00 WARNING kernel: [    5.023598]  ? 0xffffffffc0061000
2018-05-17T12:04:54.025252-07:00 WARNING kernel: [    5.023601]  do_one_initcall+0xa6/0x155
2018-05-17T12:04:54.025253-07:00 WARNING kernel: [    5.023606]  ? kmem_cache_alloc_trace+0xdc/0xea
2018-05-17T12:04:54.025253-07:00 WARNING kernel: [    5.023610]  do_init_module+0x5f/0x1f0
2018-05-17T12:04:54.025254-07:00 WARNING kernel: [    5.023614]  load_module+0x1e92/0x1eb7
2018-05-17T12:04:54.025255-07:00 WARNING kernel: [    5.023619]  ? kernel_read_file+0x108/0x172
2018-05-17T12:04:54.025256-07:00 WARNING kernel: [    5.023623]  ? SYSC_finit_module+0xae/0xd6
2018-05-17T12:04:54.025257-07:00 WARNING kernel: [    5.023626]  SYSC_finit_module+0xae/0xd6
2018-05-17T12:04:54.025258-07:00 WARNING kernel: [    5.023630]  do_syscall_64+0x64/0x72
2018-05-17T12:04:54.025259-07:00 WARNING kernel: [    5.023634]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
2018-05-17T12:04:54.025259-07:00 WARNING kernel: [    5.023637] RIP: 0033:0x7e7f67e6e139
2018-05-17T12:04:54.025260-07:00 WARNING kernel: [    5.023639] RSP: 002b:00007ffe54931d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
2018-05-17T12:04:54.025261-07:00 WARNING kernel: [    5.023642] RAX: ffffffffffffffda RBX: 00005cfc0b2c7280 RCX: 00007e7f67e6e139
2018-05-17T12:04:54.025262-07:00 WARNING kernel: [    5.023645] RDX: 0000000000000000 RSI: 00007e7f6871894b RDI: 0000000000000012
2018-05-17T12:04:54.025263-07:00 WARNING kernel: [    5.023648] RBP: 00007ffe54931dc0 R08: 0000000000000000 R09: 00005cfc0b2a3670
2018-05-17T12:04:54.025264-07:00 WARNING kernel: [    5.023650] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
2018-05-17T12:04:54.025265-07:00 WARNING kernel: [    5.023653] R13: 00005cfc0b2c1d60 R14: 00007e7f6871894b R15: 0000000000000000
2018-05-17T12:04:54.025266-07:00 WARNING kernel: [    5.023655] Code: 74 29 48 89 fb e8 1d d5 ff ff 84 c0 74 1d 48 8b 03 48 8b b8 a8 03 00 00 e8 f5 f7 dd ff 48 8b 3b 5b 5d 48 83 c7 08 e9 42 bb 1a 00 <0f> 0b 5b 5d c3 0f 1f 44 00 00 55 ba 6c 01 00 00 48 89 e5 41 57 
2018-05-17T12:04:54.025267-07:00 WARNING kernel: [    5.023693] ---[ end trace b7defa08f2e59843 ]---
2018-05-17T12:04:54.025268-07:00 ERR kernel: [    5.023696] rt5677 i2c-RT5677CE:00: Can't add headphone jack gpio
2018-05-17T12:04:54.025269-07:00 DEBUG kernel: [    5.023704] rt5677 i2c-RT5677CE:00: GPIO lookup for consumer mic-present
2018-05-17T12:04:54.025270-07:00 DEBUG kernel: [    5.023706] rt5677 i2c-RT5677CE:00: using ACPI for GPIO lookup
2018-05-17T12:04:54.025270-07:00 DEBUG kernel: [    5.023708] acpi RT5677CE:00: GPIO: looking up mic-present-gpios
2018-05-17T12:04:54.025271-07:00 DEBUG kernel: [    5.023710] acpi RT5677CE:00: GPIO: _DSD returned RT5677CE:00 1 0 0
2018-05-17T12:04:54.025272-07:00 WARNING kernel: [    5.023729] ------------[ cut here ]------------
2018-05-17T12:04:54.025273-07:00 WARNING kernel: [    5.023734] WARNING: CPU: 1 PID: 1787 at ../../../../../tmp/portage/sys-kernel/chromeos-kernel-4_14-4.14.40-r279/work/chromeos-kernel-4_14-4.14.40/drivers/gpio/gpiolib.c:2147 gpiod_free+0x3e/0x43
2018-05-17T12:04:54.025274-07:00 WARNING kernel: [    5.023736] Modules linked in: snd_soc_sst_bdw_rt5677_mach(+) iwlmvm(+) snd_soc_sst_haswell_pcm snd_soc_sst_dsp lzo snd_soc_sst_ipc lzo_compress snd_soc_sst_firmware iwl7000_mac80211 xt_nat zram iwlwifi acpi_als snd_hda_codec_hdmi bridge stp llc snd_seq_dummy snd_hda_intel snd_soc_sst_acpi snd_soc_acpi_intel_match snd_hda_codec snd_soc_acpi snd_hwdep snd_hda_core snd_soc_rt5677 snd_soc_rt5677_spi snd_seq snd_soc_rl6231 snd_seq_device ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat xt_mark fuse cfg80211 iio_trig_sysfs cros_ec_sensors_ring cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio ip6table_filter btusb btrtl btbcm btintel uvcvideo bluetooth videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 ecdh_generic videobuf2_core smsc75xx smsc95xx
2018-05-17T12:04:54.025276-07:00 WARNING kernel: [    5.023773]  usbnet mii joydev
2018-05-17T12:04:54.025277-07:00 WARNING kernel: [    5.023778] CPU: 1 PID: 1787 Comm: udevd Tainted: G     U  W       4.14.40-05001-gabeda530bb58 #1
2018-05-17T12:04:54.025277-07:00 WARNING kernel: [    5.023780] Hardware name: GOOGLE Samus, BIOS Google_Samus.6300.276.0 08/17/2016
2018-05-17T12:04:54.025278-07:00 WARNING kernel: [    5.023782] task: ffff9c2a0e712b80 task.stack: ffffb20841484000
2018-05-17T12:04:54.025279-07:00 WARNING kernel: [    5.023785] RIP: 0010:gpiod_free+0x3e/0x43
2018-05-17T12:04:54.025280-07:00 WARNING kernel: [    5.023788] RSP: 0018:ffffb20841487aa0 EFLAGS: 00010246
2018-05-17T12:04:54.025281-07:00 WARNING kernel: [    5.023790] RAX: 0000000000000000 RBX: ffffffffc03ee630 RCX: 0000000000000000
2018-05-17T12:04:54.025282-07:00 WARNING kernel: [    5.023792] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000000
2018-05-17T12:04:54.025283-07:00 WARNING kernel: [    5.023794] RBP: ffffb20841487aa8 R08: ffffffffc03ee600 R09: 0000000000000000
2018-05-17T12:04:54.025284-07:00 WARNING kernel: [    5.023797] R10: ffffb208414879e8 R11: ffff9c29f4ea9668 R12: ffff9c2a02181b68
2018-05-17T12:04:54.025285-07:00 WARNING kernel: [    5.023799] R13: ffffffffc03eeb00 R14: ffffffffc03ee600 R15: 00000000ffffffea
2018-05-17T12:04:54.025285-07:00 WARNING kernel: [    5.023801] FS:  00007e7f686dc800(0000) GS:ffff9c2a3ec80000(0000) knlGS:0000000000000000
2018-05-17T12:04:54.025286-07:00 WARNING kernel: [    5.023804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2018-05-17T12:04:54.025287-07:00 WARNING kernel: [    5.023806] CR2: 00005baffa8c2960 CR3: 000000044e5f2004 CR4: 00000000003606e0
2018-05-17T12:04:54.025288-07:00 WARNING kernel: [    5.023808] Call Trace:
2018-05-17T12:04:54.025289-07:00 WARNING kernel: [    5.023812]  snd_soc_jack_add_gpios+0x251/0x275
2018-05-17T12:04:54.025290-07:00 WARNING kernel: [    5.023817]  bdw_rt5677_init+0x15a/0x196 [snd_soc_sst_bdw_rt5677_mach]
2018-05-17T12:04:54.025291-07:00 WARNING kernel: [    5.023820]  snd_soc_register_card+0x79f/0xe4d
2018-05-17T12:04:54.025292-07:00 WARNING kernel: [    5.023823]  devm_snd_soc_register_card+0x4b/0x78
2018-05-17T12:04:54.025293-07:00 WARNING kernel: [    5.023827]  platform_drv_probe+0x54/0x99
2018-05-17T12:04:54.025294-07:00 WARNING kernel: [    5.023829]  driver_probe_device+0x154/0x2e5
2018-05-17T12:04:54.025295-07:00 WARNING kernel: [    5.023831]  __driver_attach+0x72/0x94
2018-05-17T12:04:54.025296-07:00 WARNING kernel: [    5.023834]  ? driver_probe_device+0x2e5/0x2e5
2018-05-17T12:04:54.025296-07:00 WARNING kernel: [    5.023836]  bus_for_each_dev+0x8e/0xb1
2018-05-17T12:04:54.025297-07:00 WARNING kernel: [    5.023838]  bus_add_driver+0xf1/0x1e0
2018-05-17T12:04:54.025298-07:00 WARNING kernel: [    5.023840]  ? 0xffffffffc0061000
2018-05-17T12:04:54.025299-07:00 WARNING kernel: [    5.023843]  driver_register+0x8e/0xca
2018-05-17T12:04:54.025300-07:00 WARNING kernel: [    5.023845]  ? 0xffffffffc0061000
2018-05-17T12:04:54.025301-07:00 WARNING kernel: [    5.023847]  do_one_initcall+0xa6/0x155
2018-05-17T12:04:54.025302-07:00 WARNING kernel: [    5.023849]  ? kmem_cache_alloc_trace+0xdc/0xea
2018-05-17T12:04:54.025303-07:00 WARNING kernel: [    5.023852]  do_init_module+0x5f/0x1f0
2018-05-17T12:04:54.025303-07:00 WARNING kernel: [    5.023854]  load_module+0x1e92/0x1eb7
2018-05-17T12:04:54.025304-07:00 WARNING kernel: [    5.023857]  ? kernel_read_file+0x108/0x172
2018-05-17T12:04:54.025305-07:00 WARNING kernel: [    5.023860]  ? SYSC_finit_module+0xae/0xd6
2018-05-17T12:04:54.025306-07:00 WARNING kernel: [    5.023862]  SYSC_finit_module+0xae/0xd6
2018-05-17T12:04:54.025307-07:00 WARNING kernel: [    5.023865]  do_syscall_64+0x64/0x72
2018-05-17T12:04:54.025308-07:00 WARNING kernel: [    5.023867]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
2018-05-17T12:04:54.025309-07:00 WARNING kernel: [    5.023869] RIP: 0033:0x7e7f67e6e139
2018-05-17T12:04:54.025327-07:00 WARNING kernel: [    5.023871] RSP: 002b:00007ffe54931d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
2018-05-17T12:04:54.025328-07:00 WARNING kernel: [    5.023873] RAX: ffffffffffffffda RBX: 00005cfc0b2c7280 RCX: 00007e7f67e6e139
2018-05-17T12:04:54.025329-07:00 WARNING kernel: [    5.023874] RDX: 0000000000000000 RSI: 00007e7f6871894b RDI: 0000000000000012
2018-05-17T12:04:54.025330-07:00 WARNING kernel: [    5.023876] RBP: 00007ffe54931dc0 R08: 0000000000000000 R09: 00005cfc0b2a3670
2018-05-17T12:04:54.025331-07:00 WARNING kernel: [    5.023878] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
2018-05-17T12:04:54.025332-07:00 WARNING kernel: [    5.023880] R13: 00005cfc0b2c1d60 R14: 00007e7f6871894b R15: 0000000000000000
2018-05-17T12:04:54.025333-07:00 WARNING kernel: [    5.023881] Code: 74 29 48 89 fb e8 1d d5 ff ff 84 c0 74 1d 48 8b 03 48 8b b8 a8 03 00 00 e8 f5 f7 dd ff 48 8b 3b 5b 5d 48 83 c7 08 e9 42 bb 1a 00 <0f> 0b 5b 5d c3 0f 1f 44 00 00 55 ba 6c 01 00 00 48 89 e5 41 57 
2018-05-17T12:04:54.025334-07:00 WARNING kernel: [    5.023907] ---[ end trace b7defa08f2e59844 ]---
2018-05-17T12:04:54.025335-07:00 ERR kernel: [    5.023909] rt5677 i2c-RT5677CE:00: Can't add mic jack gpio
2018-05-17T12:04:54.025336-07:00 INFO kernel: [    5.023937] bdw-rt5677 bdw-rt5677: rt5677-aif1 <-> snd-soc-dummy-dai mapping ok
2018-05-17T12:04:54.025337-07:00 WARNING kernel: [    5.024027] bdw-rt5677 bdw-rt5677: ASoC: no DMI vendor name!
2018-05-17T12:04:54.033130-07:00 INFO kernel: [    5.032395] input: bdw-rt5677 Headphone Jack as /devices/pci0000:00/INT3438:00/bdw-rt5677/sound/card1/input11
2018-05-17T12:04:54.033144-07:00 INFO kernel: [    5.032574] input: bdw-rt5677 Mic Jack as /devices/pci0000:00/INT3438:00/bdw-rt5677/sound/card1/input12