Dear Maintaner Here is example of another listing, which appears today after wakeup from suspend and of course in several seconds non stop scrolls in tty and then for just a moment blanks the screen. After that full history of this event repeats. Here is the listing: [45374.481899] ------------[ cut here ]------------ [45374.482884] WARNING: CPU: 3 PID: 5221 at /build/linux-RYwSFv/linux-3.16.7-ckt20/drivers/gpu/drm/i915/intel_display.c:7266 hsw_enable_pc8+0x575/0x5e0 [i915]() [45374.483892] PCH PWM1 enabled [45374.484987] Modules linked in: vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) rfcomm bbswitch(O) bnep binfmt_misc pci_stub nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc ip6t_REJECT xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT xt_LOG xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack iptable_filter ip_tables x_tables x86_pkg_temp_thermal snd_hda_codec_hdmi intel_powerclamp intel_rapl uvcvideo ecb btusb coretemp videobuf2_vmalloc videobuf2_memops videobuf2_core bluetooth v4l2_common kvm_intel kvm videodev media 6lowpan_iphc crc32_pclmul snd_hda_codec_realtek i915 snd_hda_codec_generic joydev snd_hda_intel arc4 aesni_intel [45374.488295] aes_x86_64 snd_hda_controller lrw snd_hda_codec asus_nb_wmi snd_hwdep drm_kms_helper drm asus_wmi sparse_keymap i2c_i801 iwlmvm mac80211 gf128mul mxm_wmi iTCO_wdt iTCO_vendor_support snd_pcm_oss snd_mixer_oss i2c_algo_bit glue_helper iwlwifi cfg80211 snd_pcm snd_timer rtsx_pci_ms memstick i2c_core psmouse ablk_helper snd mei_me evdev ie31200_edac serio_raw cryptd rfkill pcspkr soundcore mei edac_core shpchp video lpc_ich processor ac button wmi battery fuse parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache jbd2 dm_mod sg sd_mod sr_mod crc_t10dif cdrom crct10dif_generic rtsx_pci_sdmmc mmc_core ahci libahci crct10dif_pclmul crct10dif_common libata crc32c_intel ehci_pci xhci_hcd ehci_hcd rtsx_pci r8169 scsi_mod mii mfd_core usbcore usb_common thermal thermal_sys [last unloaded: nvidia] [45374.493090] CPU: 3 PID: 5221 Comm: kworker/3:1 Tainted: P W O 3.16.0-4-amd64 #1 Debian 3.16.7-ckt20-1+deb8u3 [45374.494269] Hardware name: ASUSTeK COMPUTER INC. N551JM/N551JM, BIOS N551JM.204 10/06/2014 [45374.495457] Workqueue: pm pm_runtime_work [45374.496683] 0000000000000009 ffffffff8150db3f ffff8802b32c7ca8 ffffffff810677d7 [45374.497962] ffff88041de60000 ffff8802b32c7cf8 ffff8800a8541370 ffff88041e68c098 [45374.499164] 0000000000000000 ffffffff8106783c ffffffffa0761d87 ffff880400000018 [45374.500389] Call Trace: [45374.501618] [<ffffffff8150db3f>] ? dump_stack+0x41/0x51 [45374.502820] [<ffffffff810677d7>] ? warn_slowpath_common+0x77/0x90 [45374.504068] [<ffffffff8106783c>] ? warn_slowpath_fmt+0x4c/0x50 [45374.505323] [<ffffffffa06f34c4>] ? gen6_read32+0x64/0x120 [i915] [45374.506531] [<ffffffffa070a725>] ? hsw_enable_pc8+0x575/0x5e0 [i915] [45374.507792] [<ffffffffa06b6755>] ? intel_runtime_suspend+0x185/0x880 [i915] [45374.509037] [<ffffffff812e4469>] ? pci_pm_runtime_suspend+0x59/0x120 [45374.510269] [<ffffffff813ac7cc>] ? __rpm_callback+0x2c/0x80 [45374.511481] [<ffffffff813ac83f>] ? rpm_callback+0x1f/0x80 [45374.512713] [<ffffffff813ac9a7>] ? rpm_suspend+0x107/0x5f0 [45374.513962] [<ffffffff813ade42>] ? pm_runtime_work+0x72/0xa0 [45374.515167] [<ffffffff81081762>] ? process_one_work+0x172/0x420 [45374.516413] [<ffffffff81081df3>] ? worker_thread+0x113/0x4f0 [45374.517681] [<ffffffff81510081>] ? __schedule+0x2b1/0x700 [45374.518865] [<ffffffff81081ce0>] ? rescuer_thread+0x2d0/0x2d0 [45374.520063] [<ffffffff8108805d>] ? kthread+0xbd/0xe0 [45374.521251] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180 [45374.522377] [<ffffffff81513c58>] ? ret_from_fork+0x58/0x90 [45374.523445] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180 [45374.524526] ---[ end trace 47224823a4fec42a ]--- [45377.102730] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off Can anyone help me? -- Best regards - Norbert Cielecki.
