Tested with 4.17rc7, issue still exist. [ 26.964590] ------------[ cut here ]------------ [ 26.964591] nouveau 0000:01:00.0: timeout [ 26.964638] WARNING: CPU: 2 PID: 288 at /home/kernel/COD/linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgf100.c:207 gf100_vmm_flush_+0x15c/0x1a0 [nouveau] [ 26.964639] Modules linked in: rfcomm ccm bnep nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_hda_intel coretemp kvm_intel arc4 snd_hda_codec kvm snd_hda_core snd_hwdep snd_pcm irqbypass crct10dif_pclmul crc32_pclmul dell_laptop ghash_clmulni_intel dell_smm_hwmon pcbc iwlmvm snd_seq_midi snd_seq_midi_event mac80211 snd_rawmidi aesni_intel aes_x86_64 dell_wmi crypto_simd cryptd glue_helper intel_cstate dell_smbios intel_rapl_perf snd_seq dcdbas iwlwifi input_leds snd_seq_device snd_timer uvcvideo cfg80211 serio_raw snd intel_wmi_thunderbolt videobuf2_vmalloc videobuf2_memops dell_wmi_descriptor wmi_bmof videobuf2_v4l2 joydev btusb videobuf2_common btrtl soundcore btbcm mei_me btintel videodev mei idma64 hid_multitouch [ 26.964669] virt_dma media bluetooth cdc_acm intel_lpss_pci intel_lpss intel_pch_thermal ecdh_generic processor_thermal_device ucsi_acpi typec_ucsi intel_soc_dts_iosf typec shpchp int3403_thermal int3402_thermal int3400_thermal int340x_thermal_zone intel_hid acpi_thermal_rel mac_hid sparse_keymap acpi_pad sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse r8169 ahci mii libahci drm i2c_hid hid wmi video [ 26.964695] CPU: 2 PID: 288 Comm: kworker/2:2 Tainted: G W 4.17.0-041700rc7-generic #201805272130 [ 26.964695] Hardware name: Dell Inc. Inspiron 7577/, BIOS 1.4.2 01/25/2018 [ 26.964699] Workqueue: pm pm_runtime_work [ 26.964722] RIP: 0010:gf100_vmm_flush_+0x15c/0x1a0 [nouveau] [ 26.964723] RSP: 0018:ffffadd581f6b4c0 EFLAGS: 00010282 [ 26.964724] RAX: 0000000000000000 RBX: ffff925ffc79df40 RCX: 0000000000000006 [ 26.964725] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff92600f5164b0 [ 26.964725] RBP: ffffadd581f6b4f8 R08: 000000000000050e R09: 0000000000000004 [ 26.964726] R10: ffff925ff1780511 R11: 0000000000000001 R12: ffff925ff1123000 [ 26.964727] R13: ffff925ff1340900 R14: 00000005d002f1a0 R15: ffff925ff152c200 [ 26.964728] FS: 0000000000000000(0000) GS:ffff92600f500000(0000) knlGS:0000000000000000 [ 26.964729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.964730] CR2: 00007fbdd53640c0 CR3: 00000002ef60a002 CR4: 00000000003606e0 [ 26.964731] Call Trace: [ 26.964753] gp100_vmm_flush+0x17/0x20 [nouveau] [ 26.964774] nvkm_vmm_iter.constprop.14+0x2e5/0x880 [nouveau] [ 26.964794] ? gp100_vmm_join+0x20/0x20 [nouveau] [ 26.964813] ? nvkm_vmm_map_choose+0xb0/0xb0 [nouveau] [ 26.964816] ? __update_load_avg_se.isra.41+0x1d9/0x1f0 [ 26.964817] ? __update_load_avg_se.isra.41+0x1d9/0x1f0 [ 26.964836] nvkm_vmm_map+0x21e/0x400 [nouveau] [ 26.964855] ? gp100_vmm_join+0x20/0x20 [nouveau] [ 26.964857] ? enqueue_task_fair+0xdc/0x850 [ 26.964876] nvkm_mem_map_dma+0x57/0x80 [nouveau] [ 26.964895] nvkm_uvmm_mthd+0x792/0x8d0 [nouveau] [ 26.964897] ? __switch_to_asm+0x40/0x70 [ 26.964911] nvkm_object_mthd+0x1a/0x30 [nouveau] [ 26.964925] nvkm_ioctl_mthd+0x5d/0xb0 [nouveau] [ 26.964939] nvkm_ioctl+0x11d/0x280 [nouveau] [ 26.964964] nvkm_client_ioctl+0x12/0x20 [nouveau] [ 26.964976] nvif_object_ioctl+0x47/0x50 [nouveau] [ 26.964987] nvif_object_mthd+0x129/0x150 [nouveau] [ 26.964989] ? __schedule+0x299/0x860 [ 26.965014] ? nouveau_do_suspend+0x2c0/0x2c0 [nouveau] [ 26.965016] ? _cond_resched+0x27/0x40 [ 26.965018] ? __kmalloc+0x66/0x250 [ 26.965031] ? nvif_vmm_map+0x3f/0xb0 [nouveau] [ 26.965043] nvif_vmm_map+0x88/0xb0 [nouveau] [ 26.965068] nouveau_mem_map+0x88/0xf0 [nouveau] [ 26.965091] nouveau_bo_move_m2mf.constprop.24+0x1bb/0x1d0 [nouveau] [ 26.965113] nouveau_bo_move+0xac/0x450 [nouveau] [ 26.965127] ? nvif_vmm_unmap+0x3b/0x60 [nouveau] [ 26.965149] ? nouveau_vma_unmap+0x24/0x40 [nouveau] [ 26.965154] ttm_bo_handle_move_mem+0x295/0x5b0 [ttm] [ 26.965157] ? ttm_bo_mem_space+0x391/0x470 [ttm] [ 26.965160] ttm_bo_evict+0x166/0x370 [ttm] [ 26.965162] ? try_to_wake_up+0x59/0x430 [ 26.965174] ? drm_mode_is_420+0x36/0x40 [drm] [ 26.965177] ttm_mem_evict_first+0x19a/0x220 [ttm] [ 26.965180] ttm_bo_force_list_clean+0xa1/0x170 [ttm] [ 26.965183] ttm_bo_evict_mm+0x26/0x50 [ttm] [ 26.965207] nouveau_do_suspend+0x81/0x2c0 [nouveau] [ 26.965243] nouveau_pmops_runtime_suspend+0x4f/0xb0 [nouveau] [ 26.965246] pci_pm_runtime_suspend+0x5f/0x180 [ 26.965248] ? pci_pm_runtime_resume+0xb0/0xb0 [ 26.965250] __rpm_callback+0xca/0x210 [ 26.965251] ? __switch_to_asm+0x40/0x70 [ 26.965252] ? __switch_to_asm+0x34/0x70 [ 26.965254] rpm_callback+0x24/0x80 [ 26.965255] ? pci_pm_runtime_resume+0xb0/0xb0 [ 26.965257] rpm_suspend+0x137/0x620 [ 26.965259] ? __switch_to_asm+0x40/0x70 [ 26.965261] pm_runtime_work+0x75/0xa0 [ 26.965263] process_one_work+0x1de/0x3e0 [ 26.965265] worker_thread+0x32/0x410 [ 26.965267] kthread+0x121/0x140 [ 26.965269] ? process_one_work+0x3e0/0x3e0 [ 26.965271] ? kthread_create_worker_on_cpu+0x70/0x70 [ 26.965272] ret_from_fork+0x35/0x40 [ 26.965273] Code: 41 5e 41 5f 5d c3 49 8b 7c 24 10 48 8b 5f 50 48 85 db 74 47 e8 46 a6 a2 da 48 89 da 48 89 c6 48 c7 c7 e8 a0 73 c0 e8 f4 93 44 da <0f> 0b eb bf 49 8b 7c 24 10 48 8b 5f 50 48 85 db 74 24 e8 1d a6 [ 26.965302] ---[ end trace b816f6b8630ec9fa ]---