[Bug 96214] [BAT SKL] WARN Unclaimed register detected (0x65f10) / gem_exec_suspend at basic-s4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96214

--- Comment #16 from Ryan Owens <ryanvader82 at gmail.com> ---
My system stopped responding after this error, I had to restart. 

[  100.212613] ------------[ cut here ]------------
[  100.212668] WARNING: CPU: 2 PID: 861 at
drivers/gpu/drm/i915/intel_uncore.c:649 __unclaimed_reg_debug+0x7b/0x90 [i915]
[  100.212674] Unclaimed register detected after reading register 0x65f10
[  100.212676] Modules linked in: rfcomm fuse cmac ecb sha256_ssse3
sha256_generic hmac drbg ansi_cprng ctr ccm uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media joydev mousedev
btusb btrtl eeprom snd_hda_codec_hdmi nvram dell_led bnep snd_hda_codec_realtek
snd_hda_codec_generic snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc nls_iso8859_1
snd_soc_sst_dsp nls_cp437 arc4 snd_hda_ext_core snd_soc_sst_match snd_soc_core
dell_laptop i2c_designware_platform vfat fat snd_compress dell_wmi
i2c_designware_core snd_pcm_dmaengine dell_smbios ac97_bus dcdbas intel_rapl
iwlmvm x86_pkg_temp_thermal intel_powerclamp kvm_intel mac80211 kvm irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel iwlwifi
snd_hda_codec dell_smm_hwmon aesni_intel aes_x86_64 lrw snd_hda_core
[  100.212781]  gf128mul glue_helper ablk_helper cryptd evdev snd_hwdep
input_leds cfg80211 led_class snd_pcm i915 mac_hid psmouse serio_raw pcspkr
snd_timer snd drm_kms_helper soundcore i2c_i801 drm mei_me shpchp mei idma64
intel_gtt syscopyarea sysfillrect sysimgblt processor_thermal_device
fb_sys_fops intel_lpss_pci i2c_algo_bit intel_pch_thermal intel_soc_dts_iosf
thermal fan wmi i2c_hid battery hci_uart int3403_thermal btbcm btqca
pinctrl_sunrisepoint btintel pinctrl_intel bluetooth video dell_smo8800
int3402_thermal intel_hid int340x_thermal_zone int3400_thermal rfkill
acpi_thermal_rel crc16 sparse_keymap intel_lpss_acpi intel_lpss tpm_crb tpm_tis
tpm acpi_als kfifo_buf acpi_pad button ac industrialio fjes processor
sch_fq_codel coretemp msr ip_tables x_tables hid_multitouch usbhid hid btrfs
xor
[  100.212879]  raid6_pq sd_mod atkbd libps2 crc32c_intel ahci libahci libata
xhci_pci xhci_hcd scsi_mod usbcore usb_common i8042 serio
[  100.212904] CPU: 2 PID: 861 Comm: alsa-sink-ALC32 Not tainted 4.6.4-1-ARCH
#1
[  100.212907] Hardware name: Dell Inc. Inspiron 15-7569/091VKY, BIOS 01.03.00
05/26/2016
[  100.212911]  0000000000000086 00000000c07c382f ffff8800a2da37a0
ffffffff812e54c2
[  100.212919]  ffff8800a2da37f0 0000000000000000 ffff8800a2da37e0
ffffffff8107a6bb
[  100.212926]  00000289428c4e88 0000000000000000 0000000000000001
0000000000065f10
[  100.212933] Call Trace:
[  100.212945]  [<ffffffff812e54c2>] dump_stack+0x63/0x81
[  100.212951]  [<ffffffff8107a6bb>] __warn+0xcb/0xf0
[  100.212957]  [<ffffffff8107a73f>] warn_slowpath_fmt+0x5f/0x80
[  100.212966]  [<ffffffff814984a8>] ? pci_conf1_write+0xb8/0xf0
[  100.213004]  [<ffffffffa05c88eb>] __unclaimed_reg_debug+0x7b/0x90 [i915]
[  100.213036]  [<ffffffffa05c939e>] gen9_read32+0x33e/0x3b0 [i915]
[  100.213074]  [<ffffffffa05d33c9>]
i915_audio_component_codec_wake_override+0x39/0xb0 [i915]
[  100.213083]  [<ffffffffa079adbf>] snd_hdac_set_codec_wakeup+0x3f/0xa0
[snd_hda_core]
[  100.213091]  [<ffffffffa0744ab3>] azx_runtime_resume+0x1a3/0x1c0
[snd_hda_intel]
[  100.213098]  [<ffffffff8132dbdb>] pci_pm_runtime_resume+0x7b/0xa0
[  100.213105]  [<ffffffff8132db60>] ? pci_restore_standard_config+0x40/0x40
[  100.213112]  [<ffffffff8141cc92>] __rpm_callback+0x32/0x70
[  100.213118]  [<ffffffff8132db60>] ? pci_restore_standard_config+0x40/0x40
[  100.213124]  [<ffffffff8141ccf4>] rpm_callback+0x24/0x80
[  100.213129]  [<ffffffff8132db60>] ? pci_restore_standard_config+0x40/0x40
[  100.213135]  [<ffffffff8141e11e>] rpm_resume+0x4be/0x6e0
[  100.213142]  [<ffffffff815c37bc>] ? schedule+0x3c/0x90
[  100.213148]  [<ffffffff8141dfca>] rpm_resume+0x36a/0x6e0
[  100.213160]  [<ffffffffa0470212>] ? snd_pcm_hw_rule_add+0x122/0x1d0
[snd_pcm]
[  100.213166]  [<ffffffff8141e37f>] __pm_runtime_resume+0x3f/0x60
[  100.213174]  [<ffffffffa0794ed3>] snd_hdac_power_up+0x13/0x20 [snd_hda_core]
[  100.213186]  [<ffffffffa087d119>] azx_pcm_open+0x1d9/0x390 [snd_hda_codec]
[  100.213197]  [<ffffffffa046f02b>] snd_pcm_open_substream+0x7b/0x130
[snd_pcm]
[  100.213206]  [<ffffffffa046f197>] snd_pcm_open+0xb7/0x250 [snd_pcm]
[  100.213215]  [<ffffffff810a3c2d>] ? ttwu_do_activate.constprop.40+0x5d/0x70
[  100.213222]  [<ffffffff810a4ac0>] ? wake_up_q+0x70/0x70
[  100.213231]  [<ffffffffa046f3e4>] snd_pcm_playback_open+0x44/0x70 [snd_pcm]
[  100.213240]  [<ffffffffa0523451>] snd_open+0xb1/0x180 [snd]
[  100.213248]  [<ffffffff811fbe10>] chrdev_open+0xb0/0x1e0
[  100.213255]  [<ffffffff811f4a11>] do_dentry_open+0x201/0x2e0
[  100.213261]  [<ffffffff811fbd60>] ? cdev_put+0x30/0x30
[  100.213268]  [<ffffffff811f5ad4>] vfs_open+0x54/0x80
[  100.213273]  [<ffffffff812026dc>] ? may_open+0x8c/0x100
[  100.213279]  [<ffffffff81205587>] path_openat+0x4e7/0x1290
[  100.213285]  [<ffffffff81207721>] do_filp_open+0x91/0x100
[  100.213293]  [<ffffffff81216cbc>] ? mntput_no_expire+0x2c/0x1b0
[  100.213299]  [<ffffffff81214679>] ? __alloc_fd+0xc9/0x180
[  100.213306]  [<ffffffff811f5ea7>] do_sys_open+0x147/0x210
[  100.213313]  [<ffffffff811f5f8e>] SyS_open+0x1e/0x20
[  100.213321]  [<ffffffff815c7232>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[  100.213326] ---[ end trace 482a6891e7557d82 ]---
[  202.963842] dell_wmi: Unknown WMI event type 0x00: 0xe070
[  202.963852] dell_wmi: Unknown WMI event type 0x00: 0x0
[ 1950.707545] dell_wmi: Unknown WMI event type 0x00: 0xe070
[ 1950.707555] dell_wmi: Unknown WMI event type 0x00: 0x1

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