WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:1093 __unclaimed_reg_debug+0x55/0x62 [i915]
Unclaimed read from register 0x44448
Modules linked in: fuse binfmt_misc sunrpc vfat fat intel_pmc_core snd_hda_codec_hdmi intel_powerclamp coretemp intel_rapl kvm_intel dell_led kvm iTCO_wdt iTCO_vendor_support dell_wmi irqbypass dell_smbios crc32_pclmul snd_hda_codec_realtek sparse_keymap dell_wmi_descriptor snd_hda_codec_generic ghash_clmulni_intel dcdbas snd_hda_intel ftdi_sio snd_hda_codec aesni_intel snd_hda_core snd_hwdep snd_seq lrw gf128mul snd_seq_device glue_helper ablk_helper snd_pcm cryptd joydev cdc_acm pcspkr snd_timer i2c_i801 snd mei_me soundcore mei sg wmi pinctrl_sunrisepoint pinctrl_intel i2c_hid acpi_pad ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_generic i915 i2c_algo_bit iosf_mbi drm_kms_helper ahci syscopyarea sysfillrect sysimgblt fb_sys_fops libahci drm libata crct10dif_pclmul crct10dif_common
crc32c_intel serio_raw r8169 drm_panel_orientation_quirks video dm_mirror dm_region_hash dm_log dm_mod
CPU: 2 PID: 0 Comm: swapper/2 Kdump: loaded Not tainted 3.10.0-1160.el7.x86_64 #1
Hardware name: Dell Inc. OptiPlex 3040/0MGK50, BIOS 1.4.6 06/30/2016
Call Trace:
<IRQ>  [<ffffffffb0781340>] dump_stack+0x19/0x1b
[<ffffffffb009b228>] __warn+0xd8/0x100
[<ffffffffb009b2af>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc04b28e9>] __unclaimed_reg_debug+0x55/0x62 [i915]
[<ffffffffc03f6a14>] fwtable_read32+0x154/0x190 [i915]
[<ffffffffc0390dca>] gen8_de_irq_handler+0x2ca/0x980 [i915]
[<ffffffffc039375a>] gen8_irq_handler+0xca/0xe0 [i915]
[<ffffffffb014fe54>] __handle_irq_event_percpu+0x44/0x1c0
[<ffffffffb0150002>] handle_irq_event_percpu+0x32/0x80
[<ffffffffb015008c>] handle_irq_event+0x3c/0x60
[<ffffffffb0152e7f>] handle_edge_irq+0x7f/0x150
[<ffffffffb002f5f4>] handle_irq+0xe4/0x1a0
[<ffffffffb0110e4c>] ? tick_check_idle+0x8c/0xd0
[<ffffffffb079892d>] do_IRQ+0x4d/0xf0
[<ffffffffb078a36a>] common_interrupt+0x16a/0x16a
<EOI>  [<ffffffffb05c7057>] ? cpuidle_enter_state+0x57/0xd0
[<ffffffffb05c71ae>] cpuidle_idle_call+0xde/0x230
[<ffffffffb0037c8e>] arch_cpu_idle+0xe/0xc0
[<ffffffffb01011ea>] cpu_startup_entry+0x14a/0x1e0
[<ffffffffb005a7f7>] start_secondary+0x1f7/0x270
[<ffffffffb00000d5>] start_cpu+0x5/0x14

WARNING: CPU: 1 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:1070 __unclaimed_reg_debug+0x55/0x62 [i915]
Unclaimed read from register 0x70040
Modules linked in: fuse binfmt_misc sunrpc vfat fat iTCO_wdt iTCO_vendor_support dell_wmi sparse_keymap dell_smbios dell_wmi_descriptor snd_hda_codec_hdmi intel_pmc_core intel_powerclamp coretemp intel_rapl kvm_intel dell_led kvm snd_hda_codec_realtek irqbypass crc32_pclmul snd_hda_codec_generic ghash_clmulni_intel dcdbas aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr snd_hda_intel i2c_i801 snd_hda_codec snd_hda_core snd_hwdep joydev snd_seq snd_seq_device snd_pcm cdc_acm snd_timer snd soundcore sg wmi pinctrl_sunrisepoint pinctrl_intel mei_me acpi_pad mei ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel serio_raw r8169 mii i915 i2c_algo_bit video iosf_mbi drm_kms_helper i2c_hid syscopyarea sysfillrect sysimgblt
fb_sys_fops drm ahci libahci libata drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod
CPU: 1 PID: 0 Comm: swapper/1 Kdump: loaded Not tainted 3.10.0-957.el7.x86_64 #1
Hardware name: Dell Inc. OptiPlex 3040/0VR8V9, BIOS 1.4.13 02/07/2017
Call Trace:
<IRQ>  [<ffffffffb3561dc1>] dump_stack+0x19/0x1b
[<ffffffffb2e97648>] __warn+0xd8/0x100
[<ffffffffb2e976cf>] warn_slowpath_fmt+0x5f/0x80
[<ffffffffc0514e4b>] __unclaimed_reg_debug+0x55/0x62 [i915]
[<ffffffffc046a334>] fwtable_read32+0x154/0x190 [i915]
[<ffffffffc0405256>] g4x_get_vblank_counter+0x36/0x40 [i915]
[<ffffffffc0369607>] __get_vblank_counter+0x37/0xd0 [drm]
[<ffffffffc036976e>] drm_update_vblank_count+0x5e/0x260 [drm]
[<ffffffffc036a736>] drm_handle_vblank+0x96/0x2c0 [drm]
[<ffffffffc0514e11>] ? __unclaimed_reg_debug+0x1b/0x62 [i915]
[<ffffffffc0408d12>] gen8_de_irq_handler+0x282/0x670 [i915]
[<ffffffffc040b63a>] gen8_irq_handler+0xca/0xe0 [i915]
[<ffffffffb2f5239a>] ? rcu_report_qs_rnp+0x7a/0x130
[<ffffffffb2f4a294>] __handle_irq_event_percpu+0x44/0x1c0
[<ffffffffb2f4a442>] handle_irq_event_percpu+0x32/0x80
[<ffffffffb2f4a4cc>] handle_irq_event+0x3c/0x60
[<ffffffffb2f4d27f>] handle_edge_irq+0x7f/0x150
[<ffffffffb2e2e554>] handle_irq+0xe4/0x1a0
[<ffffffffb2eda01e>] ? sched_clock_idle_wakeup_event+0x1e/0x20
[<ffffffffb2f0baed>] ? tick_check_idle+0xbd/0xd0
[<ffffffffb35795dd>] do_IRQ+0x4d/0xf0
[<ffffffffb356b362>] common_interrupt+0x162/0x162
<EOI>  [<ffffffffb33adfb7>] ? cpuidle_enter_state+0x57/0xd0
[<ffffffffb33ae10e>] cpuidle_idle_call+0xde/0x230
[<ffffffffb2e366de>] arch_cpu_idle+0xe/0xc0
[<ffffffffb2efc3ba>] cpu_startup_entry+0x14a/0x1e0
[<ffffffffb2e57db7>] start_secondary+0x1f7/0x270
[<ffffffffb2e000d5>] start_cpu+0x5/0x14