usb 4-1: string descriptor 0 read error: -71
hub 4-1:0.189: ignoring external hub
input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.189/input/input8
usb 4-1: reset high-speed USB device number 13 using dummy_hcd
usb 4-1: Using ep0 maxpacket: 8
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc3+ #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 assign_lock_key kernel/locking/lockdep.c:786 [inline]
 register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1095
 __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582
 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4211
 __mutex_lock_common kernel/locking/mutex.c:925 [inline]
 __mutex_lock+0xf9/0x12b0 kernel/locking/mutex.c:1072
 usbtouch_reset_resume+0xb3/0x170 drivers/input/touchscreen/usbtouchscreen.c:1624
 usb_resume_interface drivers/usb/core/driver.c:1242 [inline]
 usb_resume_interface.isra.0+0x187/0x3a0 drivers/usb/core/driver.c:1210
 usb_resume_both+0x23d/0x780 drivers/usb/core/driver.c:1412
 __rpm_callback+0x287/0x3c0 drivers/base/power/runtime.c:357
 rpm_callback+0x18f/0x230 drivers/base/power/runtime.c:487
 rpm_resume+0x10c2/0x1840 drivers/base/power/runtime.c:851
 __pm_runtime_resume+0x103/0x180 drivers/base/power/runtime.c:1078
 pm_runtime_get_sync include/linux/pm_runtime.h:227 [inline]
 usb_autoresume_device+0x1e/0x60 drivers/usb/core/driver.c:1599
 usb_remote_wakeup+0x7b/0xb0 drivers/usb/core/hub.c:3600
 hub_port_connect_change drivers/usb/core/hub.c:5190 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x23c9/0x35a0 drivers/usb/core/hub.c:5432
 process_one_work+0x90a/0x1580 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417
 kthread+0x30e/0x420 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
usb usb4: dummy_bus_suspend
usb usb2: dummy_bus_resume
dummy_hcd dummy_hcd.1: port status 0x00010101 has changes
dummy_hcd dummy_hcd.1: port status 0x00100503 has changes
usb 2-1: new high-speed USB device number 14 using dummy_hcd
dummy_hcd dummy_hcd.1: port status 0x00100503 has changes
usb 2-1: Using ep0 maxpacket: 8
usb 2-1: config 0 has an invalid interface number: 24 but max is 0
usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config
usb 2-1: config 0 has no interface number 0
usb 2-1: config 0 interface 24 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7
usb 2-1: New USB device found, idVendor=07c0, idProduct=1511, bcdDevice=ac.51
usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 2-1: config 0 descriptor??
iowarrior 2-1:0.24: IOWarrior product=0x1511, serial= interface=24 now attached to iowarrior0
usb usb5: dummy_bus_resume
dummy_hcd dummy_hcd.4: port status 0x00010101 has changes
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: new high-speed USB device number 17 using dummy_hcd
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: Using ep0 maxpacket: 8
usb 5-1: config 0 has an invalid interface number: 126 but max is 0
usb 5-1: config 0 has no interface number 0
usb 5-1: New USB device found, idVendor=2001, idProduct=1a00, bcdDevice=23.ed
usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 5-1: config 0 descriptor??
asix 5-1:0.126 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71
asix: probe of 5-1:0.126 failed with error -71
dummy_hcd dummy_hcd.4: port status 0x00010100 has changes
usb 5-1: USB disconnect, device number 17
dummy_hcd dummy_hcd.4: port status 0x00010101 has changes
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: new high-speed USB device number 18 using dummy_hcd
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: Using ep0 maxpacket: 8
usb 5-1: config 0 has an invalid interface number: 126 but max is 0
usb 5-1: config 0 has no interface number 0
usb 5-1: New USB device found, idVendor=2001, idProduct=1a00, bcdDevice=23.ed
usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 5-1: config 0 descriptor??
asix 5-1:0.126 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71
asix: probe of 5-1:0.126 failed with error -71
dummy_hcd dummy_hcd.4: port status 0x00010100 has changes
usb 5-1: USB disconnect, device number 18
usb usb5: dummy_bus_suspend
usb usb4: dummy_bus_resume
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: new high-speed USB device number 15 using dummy_hcd
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: Using ep0 maxpacket: 8
usb 4-1: config 0 has an invalid interface number: 138 but max is 0
usb 4-1: config 0 has no interface number 0
usb 4-1: New USB device found, idVendor=0424, idProduct=9d00, bcdDevice=f4.02
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
usb 4-1: can't set config #0, error -71
dummy_hcd dummy_hcd.3: port status 0x00010100 has changes
usb 4-1: USB disconnect, device number 15
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes