I just upgraded to 11.2
and my USB doesn't work at all.

I'm hoping someone can help, this is a major problem!
no USB devices means no mouse/etc making my system unusable.

khub has lots of errors and "trace back"
full dmesg text here:

pastebin - collaborative debugging tool

the main errors start at line 951, as:

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[ 240.728332] INFO: task ksuspend_usbd:38 blocked for more than 120 seconds.
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[ 240.728344] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
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[ 240.728353] ksuspend_usbd D 0000000000000000 0 38 2 0x00000000
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[ 240.728366] ffff88023e82fca0 0000000000000046 0000000000000000 0000000000013a00
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[ 240.728378] 0000000000013a00 ffff88023e82c4f8 0000000000013a00 0000000000013a00
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[ 240.728390] 0000000000013a00 0000000000013a00 ffff88023e82c4f8 0000000000013a00
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[ 240.728403] Call Trace:
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[ 240.728425] [<ffffffff815534d5>] schedule_timeout+0x1c5/0x220
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[ 240.728440] [<ffffffff815547fd>] __down+0x7d/0xd0
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[ 240.728456] [<ffffffff8109287a>] down+0x5a/0x70
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[ 240.728468] [<ffffffff813ac4c6>] hcd_resume_work+0x36/0x80
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[ 240.728479] [<ffffffff810858ca>] run_workqueue+0x9a/0x1e0
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[ 240.728491] [<ffffffff8108781f>] worker_thread+0xaf/0x140
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[ 240.728502] [<ffffffff8108c336>] kthread+0xb6/0xc0
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[ 240.728513] [<ffffffff8100d7ba>] child_rip+0xa/0x20
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[ 240.728524] INFO: task khubd:39 blocked for more than 120 seconds.
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[ 240.728531] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
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[ 240.728539] khubd D ffff88023e833b80 0 39 2 0x00000000
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[ 240.728549] ffff88023e833af0 0000000000000046 ffff88023e833a70 0000000000013a00
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[ 240.728561] 0000000000013a00 ffff88023e830538 0000000000013a00 0000000000013a00
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[ 240.728572] 0000000000013a00 0000000000013a00 ffff88023e830538 0000000000013a00
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[ 240.728586] Call Trace:
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[ 240.728598] [<ffffffff813aee65>] usb_kill_urb+0xa5/0xe0
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[ 240.728610] [<ffffffff813b0f00>] usb_start_wait_urb+0x100/0x1e0
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[ 240.728622] [<ffffffff813b12a1>] usb_control_msg+0x101/0x1d0
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[ 240.728634] [<ffffffff813a8076>] hub_port_init+0x516/0xa10
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[ 240.728645] [<ffffffff813aa0ef>] hub_port_connect_change+0x1ff/0xa70
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[ 240.728656] [<ffffffff813aacea>] hub_events+0x38a/0x8e0
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[ 240.728667] [<ffffffff813ab28a>] hub_thread+0x4a/0x1f0
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[ 240.728677] [<ffffffff8108c336>] kthread+0xb6/0xc0
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[ 240.728691] [<ffffffff8100d7ba>] child_rip+0xa/0x20