[ 320.287909] nvidia-modeset: WARNING: GPU:0: Lost display notification (0:0x00000000); continuing. [ 320.290118] NVRM: GPU at PCI:0000:00:09: GPU-53f856e7-e322-8303-ed16-bdedaf06badf [ 320.290809] NVRM: Xid (PCI:0000:00:09): 56, CMDre 00000000 00000088 00010009 00000007 00000000 [ 323.344645] nvidia-modeset: WARNING: GPU:0: Lost display notification (0:0x00000000); continuing. [ 325.346346] nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000957d:0:0 [ 333.361349] nvidia-modeset: ERROR: GPU:0: Display engine push buffer channel allocation failed: 0x65 (Call timed out [NV_ERR_TIMEOUT]) [ 333.362995] nvidia-modeset: ERROR: GPU:0: Failed to allocate display engine core DMA push buffer [ 333.363873] call 0000:00:09.0+ returned 0 after 15729931 usecs [ 333.364489] calling input1::numlock+ @ 1648, parent: input1 [ 333.364996] call input1::numlock+ returned 0 after 0 usecs [ 333.365454] calling input1::capslock+ @ 1648, parent: input1 [ 333.365934] call input1::capslock+ returned 0 after 0 usecs [ 333.366400] calling input1::scrolllock+ @ 1648, parent: input1 [ 333.366892] call input1::scrolllock+ returned 0 after 0 usecs [ 333.367379] calling input4::mute+ @ 1648, parent: input4 [ 333.367834] call input4::mute+ returned 0 after 0 usecs [ 333.368289] calling input11::numlock+ @ 1648, parent: input11 [ 333.368782] call input11::numlock+ returned 0 after 0 usecs [ 333.369256] calling input11::capslock+ @ 1648, parent: input11 [ 333.369751] call input11::capslock+ returned 0 after 0 usecs [ 333.370225] calling input11::scrolllock+ @ 1648, parent: input11 [ 333.370752] call input11::scrolllock+ returned 0 after 0 usecs [ 333.371258] calling input11::compose+ @ 1648, parent: input11 [ 333.371779] call input11::compose+ returned 0 after 0 usecs [ 333.372283] calling input11::kana+ @ 1648, parent: input11 [ 333.372781] call input11::kana+ returned 0 after 0 usecs [ 333.373254] calling input11::misc+ @ 1648, parent: input11 [ 333.373753] call input11::misc+ returned 0 after 0 usecs [ 333.374225] calling input11::mail+ @ 1648, parent: input11 [ 333.374722] call input11::mail+ returned 0 after 0 usecs [ 333.375199] calling input11::charging+ @ 1648, parent: input11 [ 333.375726] call input11::charging+ returned 0 after 0 usecs [ 333.376238] calling input12::misc+ @ 1648, parent: input12 [ 333.376736] call input12::misc+ returned 0 after 0 usecs [ 333.377210] calling input12::mail+ @ 1648, parent: input12 [ 333.377708] call input12::mail+ returned 0 after 0 usecs [ 333.378182] calling input12::charging+ @ 1648, parent: input12 [ 333.378714] call input12::charging+ returned 0 after 0 usecs [ 333.379220] calling input13::numlock+ @ 1648, parent: input13 [ 333.379741] call input13::numlock+ returned 0 after 0 usecs [ 333.380246] calling input13::capslock+ @ 1648, parent: input13 [ 333.380776] call input13::capslock+ returned 0 after 0 usecs [ 333.381285] calling input13::scrolllock+ @ 1648, parent: input13 [ 333.381830] call input13::scrolllock+ returned 0 after 0 usecs [ 333.382352] calling input13::compose+ @ 1648, parent: input13 [ 333.382873] call input13::compose+ returned 0 after 0 usecs [ 333.383374] calling input13::kana+ @ 1648, parent: input13 [ 333.383875] call input13::kana+ returned 0 after 0 usecs [ 333.384363] PM: thaw of devices complete after 16131.745 msecs [ 333.385045] PM: Writing image. [ 333.386072] PM: Using 3 thread(s) for compression. [ 333.386072] PM: Compressing and saving image data (297585 pages)... [ 333.387074] PM: Image saving progress: 0% [ 333.491033] PM: Image saving progress: 10% [ 333.602373] PM: Image saving progress: 20% [ 333.725072] PM: Image saving progress: 30% [ 333.856332] PM: Image saving progress: 40% [ 333.996456] PM: Image saving progress: 50% [ 334.127143] PM: Image saving progress: 60% [ 334.226033] PM: Image saving progress: 70% [ 334.314198] PM: Image saving progress: 80% [ 334.397342] PM: Image saving progress: 90% [ 334.482417] PM: Image saving progress: 100% [ 334.483038] PM: Image saving done. [ 334.483350] PM: Wrote 1190340 kbytes in 1.09 seconds (1092.05 MB/s) [ 334.484153] PM: S [ 334.484248] | [ 334.523297] calling input13::kana+ @ 1648, parent: input13 [ 334.523356] calling 2:0:0:0+ @ 1662, parent: target2:0:0 [ 334.523359] call 2:0:0:0+ returned 0 after 1 usecs [ 334.523360] calling target2:0:0+ @ 1662, parent: host2 [ 334.523360] call target2:0:0+ returned 0 after 0 usecs [ 334.523362] calling host2+ @ 1662, parent: 5-1.4.4.1.3.3:1.0 [ 334.523362] call host2+ returned 0 after 0 usecs [ 334.523366] calling 5-1.4.4.1.3.3+ @ 1662, parent: 5-1.4.4.1.3 [ 334.523368] call 5-1.4.4.1.3.3+ returned 0 after 1 usecs [ 334.523371] calling 5-1.4.4.1.3.1+ @ 1662, parent: 5-1.4.4.1.3 [ 334.523371] call 5-1.4.4.1.3.1+ returned 0 after 0 usecs [ 334.528359] call input13::kana+ returned 0 after 0 usecs [ 334.528809] calling input13::compose+ @ 1648, parent: input13 [ 334.529301] call input13::compose+ returned 0 after 0 usecs [ 334.529772] calling input13::scrolllock+ @ 1648, parent: input13 [ 334.530287] call input13::scrolllock+ returned 0 after 0 usecs [ 334.530812] calling input13::capslock+ @ 1648, parent: input13 [ 334.531346] call input13::capslock+ returned 0 after 0 usecs [ 334.531858] calling input13::numlock+ @ 1648, parent: input13 [ 334.532389] call input13::numlock+ returned 0 after 0 usecs [ 334.532896] calling input13+ @ 1648, parent: 0003:046D:4069.0008 [ 334.533453] call input13+ returned 0 after 0 usecs [ 334.533893] calling input12::charging+ @ 1648, parent: input12 [ 334.534435] call input12::charging+ returned 0 after 1 usecs [ 334.534955] calling input12::mail+ @ 1648, parent: input12 [ 334.535465] call input12::mail+ returned 0 after 0 usecs [ 334.535952] calling input12::misc+ @ 1648, parent: input12 [ 334.536468] call input12::misc+ returned 0 after 0 usecs [ 334.536951] calling input12+ @ 1648, parent: 0003:046D:C512.0004 [ 334.537491] call input12+ returned 0 after 0 usecs [ 334.537921] calling input11::charging+ @ 1648, parent: input11 [ 334.538448] call input11::charging+ returned 0 after 1 usecs [ 334.538949] calling input11::mail+ @ 1648, parent: input11 [ 334.539444] call input11::mail+ returned 0 after 0 usecs [ 334.539916] calling input11::misc+ @ 1648, parent: input11 [ 334.540414] call input11::misc+ returned 0 after 0 usecs [ 334.540888] calling input11::kana+ @ 1648, parent: input11 [ 334.541381] call input11::kana+ returned 0 after 0 usecs [ 334.541854] calling input11::compose+ @ 1648, parent: input11 [ 334.542371] call input11::compose+ returned 0 after 0 usecs [ 334.542867] calling input11::scrolllock+ @ 1648, parent: input11 [ 334.543406] call input11::scrolllock+ returned 0 after 0 usecs [ 334.543924] calling input11::capslock+ @ 1648, parent: input11 [ 334.544456] call input11::capslock+ returned 0 after 0 usecs [ 334.544956] calling input11::numlock+ @ 1648, parent: input11 [ 334.545474] call input11::numlock+ returned 0 after 0 usecs [ 334.545969] calling input11+ @ 1648, parent: 0003:046D:C512.0003 [ 334.546509] call input11+ returned 0 after 0 usecs [ 334.546936] calling input9+ @ 1648, parent: 0003:1FD2:0064.0002 [ 334.547470] call input9+ returned 0 after 0 usecs [ 334.547906] calling input8+ @ 1648, parent: card0 [ 334.547959] calling 5-1.4.4.1.3+ @ 1724, parent: 5-1.4.4.1 [ 334.548002] calling 5-1.4.4.1.1.4+ @ 1662, parent: 5-1.4.4.1.1 [ 334.548025] calling 5-1.4.4.1.1.2+ @ 1722, parent: 5-1.4.4.1.1 [ 334.548042] calling 5-1.4.4.1.1.1+ @ 1725, parent: 5-1.4.4.1.1 [ 334.548497] call 5-1.4.4.1.3+ returned 0 after 523 usecs [ 334.548957] call 5-1.4.4.1.1.4+ returned 0 after 931 usecs [ 334.549858] call 5-1.4.4.1.1.1+ returned 0 after 1772 usecs [ 334.551892] call input8+ returned 0 after 0 usecs [ 334.552319] calling input7+ @ 1648, parent: card0 [ 334.552747] call input7+ returned 0 after 0 usecs [ 334.553168] calling input6+ @ 1648, parent: card0 [ 334.553597] call input6+ returned 0 after 0 usecs [ 334.553993] calling input5+ @ 1648, parent: card0 [ 334.554399] call input5+ returned 0 after 0 usecs [ 334.554803] calling input4::mute+ @ 1648, parent: input4 [ 334.555264] call input4::mute+ returned 0 after 0 usecs [ 334.555708] calling input4+ @ 1648, parent: 0003:0B0E:1041.0001 [ 334.556223] call input4+ returned 0 after 0 usecs [ 334.556632] calling input1::scrolllock+ @ 1648, parent: input1 [ 334.556674] calling hdaudioC0D0+ @ 1725, parent: 0000:00:09.1 [ 334.556746] calling 5-1.4.4.3+ @ 1724, parent: 5-1.4.4 [ 334.557188] call 5-1.4.4.3+ returned 0 after 431 usecs [ 334.558492] call input1::scrolllock+ returned 0 after 0 usecs [ 334.559018] calling input1::capslock+ @ 1648, parent: input1 [ 334.559541] call input1::capslock+ returned 0 after 0 usecs [ 334.560050] calling input1::numlock+ @ 1648, parent: input1 [ 334.560570] call input1::numlock+ returned 0 after 0 usecs [ 334.561080] calling input3+ @ 1648, parent: serio1 [ 334.561132] calling 5-1.4.4.2+ @ 1724, parent: 5-1.4.4 [ 334.561553] call 5-1.4.4.2+ returned 0 after 410 usecs [ 334.562470] call input3+ returned 0 after 0 usecs [ 334.562918] calling rtc0+ @ 1648, parent: 00:00 [ 334.563330] call rtc0+ returned 0 after 0 usecs [ 334.563740] calling input1+ @ 1648, parent: serio0 [ 334.564192] call input1+ returned 0 after 0 usecs [ 334.564634] calling serio1+ @ 1648, parent: i8042 [ 334.565270] call serio1+ returned 0 after 190 usecs [ 334.565721] calling serio0+ @ 1648, parent: i8042 [ 334.566231] call serio0+ returned 0 after 68 usecs [ 334.566659] calling i8042+ @ 1648, parent: platform [ 334.567125] call i8042+ returned 0 after 24 usecs [ 334.567563] calling Fixed MDIO bus.0+ @ 1648, parent: platform [ 334.567611] calling usb6+ @ 1726, parent: 0000:00:0b.0 [ 334.567651] calling usb4+ @ 1769, parent: 0000:00:05.2 [ 334.567670] call usb6+ returned 0 after 56 usecs [ 334.567673] calling 0:0:0:0+ @ 1726, parent: target0:0:0 [ 334.567675] call 0:0:0:0+ returned 0 after 1 usecs [ 334.567677] calling target0:0:0+ @ 1726, parent: host0 [ 334.567677] call target0:0:0+ returned 0 after 0 usecs [ 334.567682] calling usb3+ @ 1726, parent: 0000:00:05.1 [ 334.567708] calling usb2+ @ 1768, parent: 0000:00:05.0 [ 334.567721] calling usb1+ @ 1767, parent: 0000:00:05.7 [ 334.567736] call usb4+ returned 0 after 81 usecs [ 334.567737] call usb3+ returned 0 after 52 usecs [ 334.567810] call usb2+ returned 0 after 98 usecs [ 334.567855] call usb1+ returned 0 after 130 usecs [ 334.572194] call 5-1.4.4.1.1.2+ returned 0 after 23600 usecs [ 334.572215] calling 5-1.4.4.1.1+ @ 1662, parent: 5-1.4.4.1 [ 334.575328] call Fixed MDIO bus.0+ returned 0 after 0 usecs [ 334.575857] calling serial8250+ @ 1648, parent: platform [ 334.575874] calling host1+ @ 1722, parent: ata2 [ 334.575875] call host1+ returned 0 after 0 usecs [ 334.575877] calling host0+ @ 1722, parent: ata1 [ 334.575878] call host0+ returned 0 after 0 usecs [ 334.575879] calling ata2+ @ 1722, parent: 0000:00:01.1 [ 334.575881] calling ata1+ @ 1767, parent: 0000:00:01.1 [ 334.576021] call ata1+ returned 0 after 135 usecs [ 334.576038] call ata2+ returned 0 after 154 usecs [ 334.579879] call serial8250+ returned 0 after 0 usecs [ 334.580351] calling input0+ @ 1648, parent: LNXPWRBN:00 [ 334.580838] call input0+ returned 0 after 0 usecs [ 334.581270] calling alarmtimer+ @ 1648, parent: platform [ 334.581760] call alarmtimer+ returned 0 after 0 usecs [ 334.582221] calling platform-framebuffer.0+ @ 1648, parent: platform [ 334.582805] call platform-framebuffer.0+ returned 0 after 0 usecs [ 334.583359] calling pcspkr+ @ 1648, parent: platform [ 334.583820] call pcspkr+ returned 0 after 0 usecs [ 334.584282] calling 00:04+ @ 1648, parent: pnp0 [ 334.584710] call 00:04+ returned 0 after 5 usecs [ 334.585134] calling 00:03+ @ 1648, parent: pnp0 [ 334.585558] call 00:03+ returned 0 after 0 usecs [ 334.585982] calling 00:02+ @ 1648, parent: pnp0 [ 334.586406] call 00:02+ returned 0 after 0 usecs [ 334.586827] calling 00:01+ @ 1648, parent: pnp0 [ 334.587249] call 00:01+ returned 0 after 0 usecs [ 334.587673] calling 00:00+ @ 1648, parent: pnp0 [ 334.588119] call 00:00+ returned 0 after 24 usecs [ 334.588559] calling LNXPWRBN:00+ @ 1648, parent: LNXSYSTM:00 [ 334.589086] call LNXPWRBN:00+ returned 0 after 0 usecs [ 334.589554] calling QEMU0002:00+ @ 1648, parent: pci0000:00 [ 334.590070] call QEMU0002:00+ returned 0 after 1 usecs [ 334.590598] calling reg-dummy+ @ 1648, parent: platform [ 334.590623] calling 0000:00:0a.0+ @ 1767, parent: pci0000:00 [ 334.590689] calling 0000:00:09.0+ @ 1726, parent: pci0000:00 [ 334.590697] BUG: unable to handle kernel NULL pointer dereference at 00000000000009f0 [ 334.590707] IP: _nv000407kms+0x2bb/0x540 [nvidia_modeset] [ 334.590707] PGD 0 [ 334.590708] P4D 0 [ 334.590708] [ 334.590709] Oops: 0002 [#1] SMP PTI [ 334.590710] Modules linked in: uas usb_storage hid_logitech_hidpp hid_logitech ff_memless hid_logitech_dj hid_multitouch rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace crct10dif_pclmul joydev nls_iso8859_1 crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd hid_generic snd_hda_codec_hdmi usbhid hid snd_hda_intel snd_hda_codec snd_usb_audio snd_hda_core snd_usbmidi_lib snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq intel_rapl_perf snd_seq_device snd_timer input_leds snd serio_raw nvidia_uvm(POE) virtio_rng soundcore shpchp i2c_piix4 qemu_fw_cfg mac_hid parport_pc ppdev lp sunrpc parport ip_tables x_tables autofs4 9pnet_virtio 9p 9pnet fscache nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) drm_kms_helper syscopyarea sysfillrect sysimgblt [ 334.590735] fb_sys_fops drm psmouse virtio_blk virtio_net pata_acpi floppy [ 334.590739] CPU: 0 PID: 1726 Comm: kworker/u12:74 Tainted: P OE 4.13.0-36-generic #40-Ubuntu [ 334.590740] calling 0000:00:08.0+ @ 1769, parent: pci0000:00 [ 334.590741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 334.590744] Workqueue: events_unbound async_run_entry_fn [ 334.590745] task: ffff9c2de6bdc740 task.stack: ffffb20483a5c000 [ 334.590752] RIP: 0010:_nv000407kms+0x2bb/0x540 [nvidia_modeset] [ 334.590753] RSP: 0018:ffffb20483a5faf0 EFLAGS: 00010296 [ 334.590754] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff9c2de37d9b20 [ 334.590755] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9c2de9577808 [ 334.590755] RBP: ffffffffc1373080 R08: 0000000000000001 R09: 0000000000000058 [ 334.590756] R10: 0000000000000058 R11: 0000000000000058 R12: ffff9c2de9577808 [ 334.590756] R13: ffff9c2de9577008 R14: 00000000ffffffff R15: 0000000000000000 [ 334.590758] FS: 0000000000000000(0000) GS:ffff9c2dffc00000(0000) knlGS:0000000000000000 [ 334.590758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 334.590759] CR2: 00000000000009f0 CR3: 000000012280a003 CR4: 00000000003606f0 [ 334.590762] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 334.590763] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 334.590763] Call Trace: [ 334.590772] ? _nv000026kms+0x5fc/0x700 [nvidia_modeset] [ 334.590773] ? put_dec+0x18/0xa0 [ 334.590774] ? number+0x30a/0x330 [ 334.590781] ? _nv001978kms+0x94/0x100 [nvidia_modeset] [ 334.590788] ? nvKmsSuspend+0x39/0x60 [nvidia_modeset] [ 334.590794] ? nvkms_suspend+0x1f/0x30 [nvidia_modeset] [ 334.590795] calling 0000:00:07.0+ @ 1683, parent: pci0000:00 [ 334.590902] ? nvidia_modeset_suspend+0x1d/0x30 [nvidia] [ 334.590904] calling 0000:00:06.0+ @ 1736, parent: pci0000:00 [ 334.590987] ? nvidia_suspend+0x37/0x80 [nvidia] [ 334.590989] ? pci_legacy_suspend+0x3a/0xc0 [ 334.590991] ? pci_pm_poweroff+0xce/0x100 [ 334.590992] ? dpm_run_callback+0x5a/0x150 [ 334.590994] ? pci_pm_restore+0xb0/0xb0 [ 334.590995] ? __device_suspend+0x11f/0x3a0 [ 334.590996] ? async_suspend+0x1f/0xa0 [ 334.590997] ? async_run_entry_fn+0x3c/0x150 [ 334.590999] ? process_one_work+0x1ec/0x410 [ 334.591000] ? worker_thread+0x32/0x410 [ 334.591001] ? kthread+0x128/0x140 [ 334.591003] ? process_one_work+0x410/0x410 [ 334.591004] ? kthread_create_on_node+0x70/0x70 [ 334.591006] ? ret_from_fork+0x35/0x40 [ 334.591006] Code: 00 00 4c 89 fe 89 c3 e8 24 7a ff ff 48 8b 7c 24 18 09 c3 ba 01 00 00 00 4c 89 fe e8 10 7a ff ff 08 c3 0f 85 0c 02 00 00 41 ff ce <41> c7 87 f0 09 00 00 00 00 00 00 48 83 6c 24 20 08 48 83 6c 24 [ 334.591030] RIP: _nv000407kms+0x2bb/0x540 [nvidia_modeset] RSP: ffffb20483a5faf0 [ 334.591030] CR2: 00000000000009f0 [ 334.591032] ---[ end trace afc6e93af5cc9451 ]--- [ 334.598115] calling 0000:00:05.7+ @ 1739, parent: pci0000:00 [ 334.598131] calling 0000:00:05.2+ @ 1741, parent: pci0000:00 [ 334.598436] call 0000:00:08.0+ returned 0 after 7513 usecs [ 334.598438] calling 0000:00:05.1+ @ 1769, parent: pci0000:00 [ 334.598679] call 0000:00:05.7+ returned 0 after 550 usecs [ 334.598681] calling 0000:00:05.0+ @ 1739, parent: pci0000:00 [ 334.598985] call 0000:00:05.2+ returned 0 after 832 usecs [ 334.598988] calling 0000:00:04.0+ @ 1741, parent: pci0000:00 [ 334.599274] call 0000:00:05.1+ returned 0 after 815 usecs [ 334.599277] calling 0000:00:03.0+ @ 1769, parent: pci0000:00 [ 334.599498] call 0000:00:05.0+ returned 0 after 797 usecs [ 334.599500] calling 0000:00:02.0+ @ 1739, parent: pci0000:00 [ 334.599501] call 0000:00:02.0+ returned 0 after 0 usecs [ 334.599502] calling 0000:00:01.3+ @ 1739, parent: pci0000:00 [ 334.599503] call 0000:00:01.3+ returned 0 after 0 usecs [ 334.599504] calling 0000:00:01.1+ @ 1739, parent: pci0000:00 [ 334.600016] call 0000:00:04.0+ returned 0 after 1002 usecs [ 334.600018] calling 0000:00:01.0+ @ 1741, parent: pci0000:00 [ 334.600019] call 0000:00:01.0+ returned 0 after 0 usecs [ 334.600020] calling 0000:00:00.0+ @ 1741, parent: pci0000:00 [ 334.600020] call 0000:00:00.0+ returned 0 after 0 usecs [ 334.600179] call 5-1.4.4.1.1+ returned 0 after 27307 usecs [ 334.600184] calling 5-1.4.4.1+ @ 1723, parent: 5-1.4.4 [ 334.600492] call 0000:00:01.1+ returned 0 after 963 usecs [ 334.601830] call 0000:00:06.0+ returned 0 after 10669 usecs [ 334.612161] call hdaudioC0D0+ returned 0 after 54185 usecs [ 334.612214] calling 0000:00:09.1+ @ 1768, parent: pci0000:00 [ 334.613567] call 0000:00:09.1+ returned 0 after 1319 usecs [ 334.620188] call 5-1.4.4.1+ returned 0 after 19534 usecs [ 334.620206] calling 5-1.4.4+ @ 1724, parent: 5-1.4 [ 334.640196] call 5-1.4.4+ returned 0 after 19519 usecs [ 334.640216] calling 5-1.4+ @ 1721, parent: 5-1 [ 334.648911] call reg-dummy+ returned 0 after 0 usecs [ 334.649801] call 0000:00:03.0+ returned 0 after 49338 usecs [ 334.650098] call 0000:00:0a.0+ returned 0 after 58079 usecs [ 334.650516] call 0000:00:07.0+ returned 0 after 58319 usecs [ 334.664202] call 5-1.4+ returned 0 after 23422 usecs [ 334.664733] calling 5-1+ @ 1720, parent: usb5 [ 334.704235] call 5-1+ returned 0 after 38155 usecs [ 334.704815] calling usb5+ @ 1719, parent: 0000:00:0b.0 [ 334.705480] call usb5+ returned 0 after 58 usecs [ 334.706061] calling 0000:00:0b.0+ @ 1722, parent: pci0000:00 [ 334.707636] call 0000:00:0b.0+ returned 0 after 886 usecs