watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [gnome-s:disk$2:14014]
Modules linked in: tcp_diag udp_diag inet_diag xt_nat veth fuse xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilter bridge 8021q garp mrp stp llc nf_log_ipv4 nf_log_common xt_multiport xt_LOG xt_limit xt_tcpudp ipt_REJECT nf_reject_ipv4 xt_comment xt_addrtype xt_state xt_conntrack iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt eeepc_wmi asus_wmi battery sparse_keymap iTCO_vendor_support mei_hdcp rfkill wmi_bmof intel_wmi_thunderbolt irqbypass snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper snd_hda_codec_hdmi intel_cstate nls_iso8859_1 nls_cp437 zfs(POE) nouveau intel_uncore i915 zunicode(POE) e1000e zavl(POE) icp(POE) pcspkr i2c_i801 intel_rapl_perf snd_usb_audio mxm_wmi snd_hda_intel snd_usbmidi_lib ttm snd_intel_nhlt
 i2c_algo_bit snd_hda_codec zcommon(POE) snd_rawmidi znvpair(POE) snd_seq_device spl(OE) drm_kms_helper snd_hda_core mc joydev mousedev input_leds zlua(POE) drm snd_hwdep snd_pcm mei_me mei snd_timer intel_gtt snd agpgart syscopyarea sysfillrect sysimgblt soundcore fb_sys_fops wmi evdev mac_hid vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) sg crypto_user ip_tables x_tables btrfs hid_cherry sd_mod hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci libahci sata_mv libata xhci_pci scsi_mod xhci_hcd vfat fat raid1 raid0 dm_raid raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx dm_mod md_mod libcrc32c crc32c_generic crc32c_intel xor raid6_pq
CPU: 5 PID: 14014 Comm: gnome-s:disk$2 Tainted: P        W  OE     5.4.21-1-lts #1
Hardware name: System manufacturer System Product Name/Z170-A, BIOS 3504 06/29/2017
RIP: 0010:ioread32+0x2b/0x30
Code: 81 ff ff ff 03 00 77 20 48 81 ff 00 00 01 00 76 05 0f b7 d7 ed c3 48 c7 c6 dd a0 b0 9a e8 2d ff ff ff b8 ff ff ff ff c3 8b 07 <c3> 0f 1f 40 00 48 81 ff ff ff 03 00 77 2f 48 81 ff 00 00 01 00 76
RSP: 0018:ffffb5b6017efb50 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13
RAX: 00000000b5330068 RBX: ffff9db5d0d37240 RCX: ffff9db736515608
RDX: ffff9db736515600 RSI: 0000000000000018 RDI: ffffb5b600305060
RBP: ffff9db5d0d37240 R08: ffffb5b600305060 R09: ffff9db5d0d37240
R10: ffff9db7d8d6e340 R11: 0000000000000001 R12: 0000000000000000
R13: ffff9db736515600 R14: 0000000000000282 R15: ffff9db690dfe6c8
FS:  00007f4234caf700(0000) GS:ffff9db91eb40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f424b099ccb CR3: 00000001dec0a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 nouveau_fence_is_signaled+0x20/0x30 [nouveau]
 nouveau_fence_done+0x41/0xc0 [nouveau]
 nouveau_fence_wait+0x9e/0xb0 [nouveau]
 nouveau_channel_idle+0x6a/0xb0 [nouveau]
 nouveau_abi16_chan_fini.isra.0+0x90/0xf0 [nouveau]
 nouveau_abi16_fini+0x2d/0x60 [nouveau]
 nouveau_drm_postclose+0x4c/0xd0 [nouveau]
 drm_file_free.part.0+0x1c3/0x260 [drm]
 drm_release+0x9a/0xd0 [drm]
 __fput+0xae/0x230
 task_work_run+0x8a/0xb0
 do_exit+0x36d/0xaf0
 do_group_exit+0x3a/0xa0
 get_signal+0x15a/0x880
 do_signal+0x43/0x640
 exit_to_usermode_loop+0x7f/0x100
 do_syscall_64+0x110/0x140
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f424b099cf5
Code: Bad RIP value.
RSP: 002b:00007f4234cae860 EFLAGS: 00000282 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f424b099cf5
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000056304b4740c8
RBP: 000056304b4740a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00007f4234cae890
R13: 000056304b474078 R14: 000056304b4740c8 R15: 0000000000000000
nouveau 0000:01:00.0: gnome-shell[13877]: failed to idle channel 6 [gnome-shell[13877]]
------------[ cut here ]------------
nouveau 0000:01:00.0: timeout
WARNING: CPU: 6 PID: 14014 at drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c:108 g84_fifo_chan_engine_fini+0x2c6/0x330 [nouveau]
Modules linked in: tcp_diag udp_diag inet_diag xt_nat veth fuse xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilter bridge 8021q garp mrp stp llc nf_log_ipv4 nf_log_common xt_multiport xt_LOG xt_limit xt_tcpudp ipt_REJECT nf_reject_ipv4 xt_comment xt_addrtype xt_state xt_conntrack iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt eeepc_wmi asus_wmi battery sparse_keymap iTCO_vendor_support mei_hdcp rfkill wmi_bmof intel_wmi_thunderbolt irqbypass snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper snd_hda_codec_hdmi intel_cstate nls_iso8859_1 nls_cp437 zfs(POE) nouveau intel_uncore i915 zunicode(POE) e1000e zavl(POE) icp(POE) pcspkr i2c_i801 intel_rapl_perf snd_usb_audio mxm_wmi snd_hda_intel snd_usbmidi_lib ttm snd_intel_nhlt
 i2c_algo_bit snd_hda_codec zcommon(POE) snd_rawmidi znvpair(POE) snd_seq_device spl(OE) drm_kms_helper snd_hda_core mc joydev mousedev input_leds zlua(POE) drm snd_hwdep snd_pcm mei_me mei snd_timer intel_gtt snd agpgart syscopyarea sysfillrect sysimgblt soundcore fb_sys_fops wmi evdev mac_hid vboxnetflt(OE) vboxnetadp(OE) vboxdrv(OE) sg crypto_user ip_tables x_tables btrfs hid_cherry sd_mod hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid ahci libahci sata_mv libata xhci_pci scsi_mod xhci_hcd vfat fat raid1 raid0 dm_raid raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx dm_mod md_mod libcrc32c crc32c_generic crc32c_intel xor raid6_pq
CPU: 6 PID: 14014 Comm: gnome-s:disk$2 Tainted: P        W  OEL    5.4.21-1-lts #1
Hardware name: System manufacturer System Product Name/Z170-A, BIOS 3504 06/29/2017
RIP: 0010:g84_fifo_chan_engine_fini+0x2c6/0x330 [nouveau]
Code: 10 48 8b 78 10 48 8b 57 50 48 85 d2 74 5c 48 89 14 24 e8 ad e8 f0 d8 48 8b 14 24 48 c7 c7 f1 e8 25 c1 48 89 c6 e8 38 39 97 d8 <0f> 0b 48 8b 73 78 44 89 f7 48 81 c6 20 25 00 00 e8 f5 9d d3 d8 41
RSP: 0018:ffffb5b6017ef9d0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff9db911a32800 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff9db91eb97700
RBP: ffff9db715a65008 R08: 0000000000000a42 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000020
R13: 0000000000000000 R14: 00000000007f007f R15: ffff9db911a36800
FS:  00007f4234caf700(0000) GS:ffff9db91eb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001dec0a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 nvkm_fifo_chan_child_fini+0x62/0xe0 [nouveau]
 nvkm_oproxy_fini+0x2c/0x90 [nouveau]
 nvkm_object_fini+0xbc/0x150 [nouveau]
 nvkm_object_fini+0x73/0x150 [nouveau]
 nvkm_ioctl_del+0x2f/0x50 [nouveau]
 nvkm_ioctl+0xde/0x180 [nouveau]
 nvif_object_fini+0x59/0x80 [nouveau]
 nouveau_channel_del+0x9e/0x150 [nouveau]
 nouveau_abi16_chan_fini.isra.0+0x99/0xf0 [nouveau]
 nouveau_abi16_fini+0x2d/0x60 [nouveau]
 nouveau_drm_postclose+0x4c/0xd0 [nouveau]
 drm_file_free.part.0+0x1c3/0x260 [drm]
 drm_release+0x9a/0xd0 [drm]
 __fput+0xae/0x230
 task_work_run+0x8a/0xb0
 do_exit+0x36d/0xaf0
 do_group_exit+0x3a/0xa0
 get_signal+0x15a/0x880
 do_signal+0x43/0x640
 exit_to_usermode_loop+0x7f/0x100
 do_syscall_64+0x110/0x140
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f424b099cf5
Code: Bad RIP value.
RSP: 002b:00007f4234cae860 EFLAGS: 00000282 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f424b099cf5
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000056304b4740c8
RBP: 000056304b4740a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00007f4234cae890
R13: 000056304b474078 R14: 000056304b4740c8 R15: 0000000000000000
---[ end trace e2ce9a65ed8cb3c8 ]---
nouveau 0000:01:00.0: fifo: channel 6 [gnome-shell[13877]] unload timeout