[ 5770.911142] pm_rpm: executing [ 5770.959153] pm_rpm: starting subtest basic-rte [ 5772.615745] ------------[ cut here ]------------ [ 5772.615903] WARNING: CPU: 0 PID: 7472 at /home/muser/Source/linux/drivers/gpu/drm/i915/intel_uncore.c:794 vlv_read32+0x217/0x230 [i915]() [ 5772.615920] WARN_ON(fw_engine == FORCEWAKE_MEDIA) [ 5772.615930] Modules linked in: snd_hda_intel i915(OE) drm_kms_helper drm snd_hda_codec snd_hda_core snd_hwdep bnep arc4 joydev input_leds hid_logitech_hidpp snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_mfld_platform iwlmvm intel_rapl hid_logitech_dj snd_soc_core intel_soc_dts_iosf intel_powerclamp coretemp mac80211 snd_compress kvm_intel ac97_bus snd_pcm_dmaengine snd_pcm kvm iwlwifi irqbypass punit_atom_debug nls_iso8859_1 crct10dif_pclmul btusb crc32_pclmul btrtl cfg80211 cryptd btbcm btintel snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi lpc_ich mei_txe serio_raw usbhid snd_seq mei hid shpchp snd_seq_device snd_timer snd iosf_mbi 8250_fintek soundcore mac_hid snd_soc_sst_acpi parport_pc ppdev lp parport autofs4 i2c_algo_bit syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse ahci r8169 mii libahci video [last unloaded: drm] [ 5772.616294] CPU: 0 PID: 7472 Comm: kworker/u4:0 Tainted: G W OE 4.4.0-rc4+ #2 [ 5772.616309] Hardware name: ��������������������������������� ���������������������������������/DN2820FYK, BIOS FYBYT10H.86A.0051.2015.0624.1406 06/24/2015 [ 5772.616391] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915] [ 5772.616408] 0000000000000000 00000000f67d49c2 ffff88008325bc68 ffffffff813c4b24 [ 5772.616435] ffff88008325bcb0 ffff88008325bca0 ffffffff8107d6a2 ffff88001d0b0000 [ 5772.616460] 0000000000012074 ffff88001d0b0080 ffff88001d0b0258 0000000000000001 [ 5772.616484] Call Trace: [ 5772.616513] [] dump_stack+0x44/0x60 [ 5772.616535] [] warn_slowpath_common+0x82/0xc0 [ 5772.616554] [] warn_slowpath_fmt+0x5c/0x80 [ 5772.616667] [] vlv_read32+0x217/0x230 [i915] [ 5772.616776] [] intel_ring_get_active_head+0x5d/0xe0 [i915] [ 5772.616855] [] i915_hangcheck_elapsed+0xbd/0x470 [i915] [ 5772.616879] [] ? ttwu_do_activate.constprop.89+0x5d/0x70 [ 5772.616901] [] process_one_work+0x1aa/0x440 [ 5772.616919] [] worker_thread+0x4b/0x4c0 [ 5772.616938] [] ? process_one_work+0x440/0x440 [ 5772.616958] [] kthread+0xd8/0xf0 [ 5772.616979] [] ? kthread_create_on_node+0x1a0/0x1a0 [ 5772.617001] [] ret_from_fork+0x3f/0x70 [ 5772.617021] [] ? kthread_create_on_node+0x1a0/0x1a0 [ 5772.617035] ---[ end trace d14743cd7d6c1a48 ]---