[  554.050089] usb 1-1.4: reset full-speed USB device number 5 using ehci-pci
[  554.276745] usb 1-1.4: reset full-speed USB device number 5 using ehci-pci
[  559.221745] uurb->buffer_length is too short 6144 vs 0
[  559.221788] ------------[ cut here ]------------
[  559.221798] WARNING: CPU: 3 PID: 2676 at drivers/usb/core/devio.c:1583 proc_do_submiturb+0x993/0xd60 [usbcore]
[  559.221799] Modules linked in: fuse ccm nct6775 hwmon_vid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel nls_iso8859_1 kvm ath9k nls_cp437 amdkfd ath9k_common crct10dif_pclmul amd_iommu_v2 crc32_pclmul ath9k_hw iTCO_wdt vfat iTCO_vendor_support fat ghash_clmulni_intel radeon mxm_wmi ath pcbc mac80211 i2c_algo_bit ttm drm_kms_helper aesni_intel snd_hda_intel aes_x86_64 cfg80211 crypto_simd glue_helper drm snd_usb_audio joydev cryptd agpgart intel_cstate syscopyarea snd_usbmidi_lib mousedev e1000e rfkill snd_hda_codec intel_rapl_perf mei_me sysfillrect snd_rawmidi tpm_tis sysimgblt evdev input_leds pcspkr i2c_i801 fb_sys_fops
[  559.221838]  snd_hda_core ptp tpm_tis_core mac_hid snd_seq_device lpc_ich mei snd_hwdep pps_core shpchp battery snd_soc_rt5640 tpm snd_soc_ssm4567 snd_soc_rl6231 snd_soc_core wmi snd_compress video snd_pcm_dmaengine snd_pcm snd_timer elan_i2c snd snd_soc_sst_acpi snd_soc_sst_match soundcore ac97_bus i2c_hid 8250_dw spi_pxa2xx_platform intel_smartconnect acpi_pad button sch_fq_codel sg crypto_user ip_tables x_tables uas usb_storage btrfs xor raid6_pq hid_generic usbhid hid sr_mod sd_mod cdrom serio_raw atkbd libps2 ahci libahci crc32c_intel xhci_pci libata ehci_pci xhci_hcd ehci_hcd scsi_mod usbcore usb_common i8042 sdhci_acpi serio sdhci led_class mmc_core vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio
[  559.221882] CPU: 3 PID: 2676 Comm: qemu-system-x86 Not tainted 4.13.9-1-vfio #1
[  559.221884] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z97 Extreme4, BIOS P2.10 05/12/2015
[  559.221885] task: ffff8ef6679ce900 task.stack: ffffa314c8dec000
[  559.221891] RIP: 0010:proc_do_submiturb+0x993/0xd60 [usbcore]
[  559.221892] RSP: 0018:ffffa314c8defd38 EFLAGS: 00010282
[  559.221893] RAX: 000000000000002a RBX: ffff8ef6a9ebe780 RCX: ffffffff88a55328
[  559.221894] RDX: 0000000000000000 RSI: 0000000000000096 RDI: 0000000000000283
[  559.221895] RBP: ffffa314c8defdc0 R08: 0000000000000401 R09: ffffffff88ca68e0
[  559.221896] R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000001
[  559.221897] R13: ffff8ef6d825fae0 R14: 00007f0269f93d78 R15: ffffa314c8defe00
[  559.221899] FS:  00007f0505b06340(0000) GS:ffff8ef6eecc0000(0000) knlGS:0000000000000000
[  559.221900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  559.221901] CR2: 000000d2368bf25a CR3: 00000002e9bf8000 CR4: 00000000001426e0
[  559.221903] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  559.221904] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
[  559.221905] Call Trace:
[  559.221911]  ? compat_poll_select_copy_remaining+0x120/0x120
[  559.221917]  usbdev_do_ioctl+0xa34/0x1170 [usbcore]
[  559.221919]  ? compat_poll_select_copy_remaining+0x120/0x120
[  559.221925]  usbdev_ioctl+0xe/0x20 [usbcore]
[  559.221927]  do_vfs_ioctl+0xa5/0x600
[  559.221931]  ? __fget+0x6e/0x90
[  559.221933]  SyS_ioctl+0x79/0x90
[  559.221937]  entry_SYSCALL_64_fastpath+0x1a/0xa5
[  559.221938] RIP: 0033:0x7f04fe931157
[  559.221939] RSP: 002b:00007ffd19a22608 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  559.221941] RAX: ffffffffffffffda RBX: 00007ffd19a22be0 RCX: 00007f04fe931157
[  559.221942] RDX: 00007f0269f93d40 RSI: 000000008038550a RDI: 0000000000000062
[  559.221943] RBP: 00007f04f4090c40 R08: 0000000000000030 R09: 0000000000001800
[  559.221944] R10: 00007f04f4185180 R11: 0000000000000246 R12: 00007ffd19a22c44
[  559.221945] R13: 00007f04f4090c40 R14: 0000561a898d7d78 R15: 0000561a89cf7200
[  559.221947] Code: 00 c7 45 a8 00 00 00 00 48 c7 45 b8 00 00 00 00 0f 85 5e f8 ff ff 89 c2 48 c7 c7 40 7f 39 c0 c6 05 37 2b 01 00 01 e8 ce 1c d5 c7 <0f> ff 49 63 47 18 e9 3e f8 ff ff c7 45 8c 00 00 00 00 c7 45 98 
[  559.221982] ---[ end trace 1199c756a4fd1889 ]---
[  559.223269] DMAR: DRHD: handling fault status reg 3
[  559.223277] DMAR: [DMA Read] Request device [00:1a.0] fault addr 0 [fault reason 06] PTE Read access is not set
[  559.223289] ehci-pci 0000:00:1a.0: fatal error
[  559.223297] ehci-pci 0000:00:1a.0: HC died; cleaning up
[  559.223339] usb 1-1.3.3: cannot submit urb (err = -19)
[  559.223361] usb 1-1: USB disconnect, device number 2
[  559.223364] usb 1-1.1: USB disconnect, device number 3
[  559.223367] usb 1-1.1.3: USB disconnect, device number 6
[  559.223373] usb 1-1.3.3: cannot submit urb 0, error -19: no device
[  559.270438] usb 1-1.3: USB disconnect, device number 4
[  559.270440] usb 1-1.3.3: USB disconnect, device number 7
[  559.357642] usb 1-1.4: USB disconnect, device number 5