[  327.603274] usb 2-4: new full-speed USB device number 6 using xhci_hcd
[  327.747662] Promethean: max write size: 64
[  327.747675] Promethean: This device delay writes by 25 ms.
[  327.747846] input: Promethean Limited ACTIVboard as /devices/virtual/input/input22
[  327.757724] Promethean: X11 Open.
[  327.802938] Promethean: X11 Open.
[  328.303669] hidraw: raw HID events driver (C) Jiri Kosina
[  328.309269] usbcore: registered new interface driver usbhid
[  328.309271] usbhid: USB HID core driver
[  328.349227] BUG: unable to handle kernel paging request at 0000000000786ce0
[  328.349238] IP: CheckForFirmwareUpgradeCommand+0x10/0x190 [promethean]
[  328.349240] PGD 8000000206f1c067 P4D 8000000206f1c067 PUD 206f1d067 PMD 22339f067 PTE 800000021db5a067
[  328.349247] Oops: 0001 [#1] PREEMPT SMP PTI
[  328.349249] Modules linked in: usbhid hid cdc_mbim cdc_wdm cdc_ncm usbnet cdc_acm mii bnep btusb btrtl btbcm btintel bluetooth uvcvideo joydev mousedev ecdh_generic rmi_smbus rmi_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media msr arc4 wmi_bmof snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi intel_rapl iTCO_wdt iTCO_vendor_support iwlmvm nls_iso8859_1 nls_cp437 x86_pkg_temp_thermal intel_powerclamp coretemp vfat fat kvm_intel mac80211 kvm irqbypass intel_cstate intel_rapl_perf iwlwifi input_leds psmouse pcspkr snd_hda_intel cfg80211 snd_hda_codec rtsx_pci_ms memstick snd_hda_core tpm_tis tpm_tis_core thinkpad_acpi snd_hwdep snd_pcm thermal wmi nvram snd_timer rfkill battery ac evdev led_class tpm e1000e snd mac_hid ptp pps_core mei_me i2c_i801 intel_pch_thermal
[  328.349311]  mei shpchp lpc_ich soundcore sch_fq_codel promethean(O) crypto_user acpi_call(O) ip_tables x_tables ext4 crc16 mbcache jbd2 fscrypto algif_skcipher af_alg dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc rtsx_pci_sdmmc xhci_pci mmc_core serio_raw atkbd xhci_hcd ahci libps2 libahci ehci_pci ehci_hcd aesni_intel libata aes_x86_64 crypto_simd glue_helper cryptd scsi_mod usbcore rtsx_pci usb_common i8042 serio i915 video button intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpgart
[  328.349357] CPU: 3 PID: 5506 Comm: promethean.sh Tainted: G     U     O    4.14.15-1-ARCH #1
[  328.349359] Hardware name: LENOVO 20DT0000GE/Intel powered classmate PC, BIOS JDET63WW (1.25 ) 09/12/2017
[  328.349361] task: ffff93673d0f49c0 task.stack: ffffa899c0dbc000
[  328.349365] RIP: 0010:CheckForFirmwareUpgradeCommand+0x10/0x190 [promethean]
[  328.349367] RSP: 0018:ffffa899c0dbfe20 EFLAGS: 00010202
[  328.349370] RAX: 0000000000000000 RBX: ffff93673d338000 RCX: ffffa899c0dbff08
[  328.349372] RDX: 0000000000000005 RSI: 0000000000786ce0 RDI: ffff93673d338000
[  328.349374] RBP: 0000000000786ce0 R08: ffff93675425f500 R09: 00007f3f7de5ab10
[  328.349376] R10: 000000000000000a R11: ffff93673d0f49c0 R12: 0000000000000005
[  328.349378] R13: ffffa899c0dbff08 R14: 0000000000786ce0 R15: 0000000000000005
[  328.349380] FS:  00007f3f7e4b8040(0000) GS:ffff93676ecc0000(0000) knlGS:0000000000000000
[  328.349383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  328.349385] CR2: 0000000000786ce0 CR3: 00000001fd368005 CR4: 00000000003606e0
[  328.349387] Call Trace:
[  328.349393]  usb_activ_file_write+0x4a/0x250 [promethean]
[  328.349398]  __vfs_write+0x36/0x180
[  328.349403]  vfs_write+0xad/0x1a0
[  328.349406]  SyS_write+0x52/0xc0
[  328.349410]  do_syscall_64+0x5a/0x120
[  328.349415]  entry_SYSCALL64_slow_path+0x25/0x25
[  328.349418] RIP: 0033:0x7f3f7db90444
[  328.349420] RSP: 002b:00007ffee69ccb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  328.349422] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f7db90444
[  328.349424] RDX: 0000000000000005 RSI: 0000000000786ce0 RDI: 0000000000000001
[  328.349426] RBP: 0000000000786ce0 R08: 000000000000000a R09: 00007f3f7de5ab10
[  328.349428] R10: 000000000000000a R11: 0000000000000246 R12: 0000000000000005
[  328.349430] R13: 0000000000000001 R14: 00007f3f7de5b5c0 R15: 0000000000000005
[  328.349433] Code: 48 c7 c7 98 13 4e c0 e8 1a 41 c0 d1 0f b6 83 8c 02 00 00 e9 97 fd ff ff 0f 1f 00 0f 1f 44 00 00 48 85 f6 74 35 48 83 fa 03 76 2f <80> 3e 3a 0f b6 87 d8 43 00 00 74 25 83 bf ac 02 00 00 02 7e 1a
[  328.349476] RIP: CheckForFirmwareUpgradeCommand+0x10/0x190 [promethean] RSP: ffffa899c0dbfe20
[  328.349477] CR2: 0000000000786ce0
[  328.349480] ---[ end trace ff852ddeb55c7e89 ]---