[Solved] USB 3 (uPD720200) only detects devices at boot time.

Hello. I have an HP Probook 4530s laptop with an onboard USB 3 port. A device that is plugged into it before boot shows up in lsusb and can be used normally, but hotplugging a device will not work.
Relevant outputs after booting with a drive plugged in, unplugging and plugging it back in:
$ lspci | grep "USB 3.0"
26:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
$ lsusb | grep "3.0"
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
$ lsusb | grep "LaCie"
(a distinct lack of drive)
$ dmesg | egrep "xhci|usb 3"
[ 0.735878] xhci_hcd 0000:26:00.0: xHCI Host Controller
[ 0.735887] xhci_hcd 0000:26:00.0: new USB bus registered, assigned bus number 2
[ 0.736076] xhci_hcd 0000:26:00.0: irq 19, io mem 0xd4500000
[ 0.736149] xhci_hcd 0000:26:00.0: irq 46 for MSI/MSI-X
[ 0.736156] xhci_hcd 0000:26:00.0: irq 47 for MSI/MSI-X
[ 0.736162] xhci_hcd 0000:26:00.0: irq 48 for MSI/MSI-X
[ 0.736460] xHCI xhci_add_endpoint called for root hub
[ 0.736462] xHCI xhci_check_bandwidth called for root hub
[ 0.736574] xhci_hcd 0000:26:00.0: xHCI Host Controller
[ 0.736578] xhci_hcd 0000:26:00.0: new USB bus registered, assigned bus number 3
[ 0.739804] xHCI xhci_add_endpoint called for root hub
[ 0.739806] xHCI xhci_check_bandwidth called for root hub
[ 1.443390] usb 3-1: new SuperSpeed USB device number 2 using xhci_hcd
[ 1.459034] usb 3-1: Parent hub missing LPM exit latency info. Power management will be impacted.
[ 484.575852] usb 3-1: USB disconnect, device number 2
Any ideas?
Last edited by codl (2012-12-06 16:30:09)

I have the exact same usb controller and it seems to be very buggy in linux. The output of lsusb sometimes shows 2 usb 3.0 hubs, sometimes 1 usb 3.0 hub and often no usb 3.0 at all. Also it shows a lot of usb 1.1 controllers, but my mainboard only has usb 3.0 and 2.0. Hotplugging usb 3.0 devices works, but they only run at usb 3.0 speeds and booting with plugged devices often makes them dissapear.
I recently searched for the issue and found out flashing the usb controller firmware could possibly help.
http://askubuntu.com/questions/161862/n … untu-12-04
However you have to download the driver from a third-party website and boot a dos operating system to do the firmware flash, which held me off from doing it.
Last edited by teateawhy (2012-12-06 13:08:02)

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USB 3 (uPD720202) only detects devices at boot time.

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I have the exact same usb controller and it seems to be very buggy in linux. The output of lsusb sometimes shows 2 usb 3.0 hubs, sometimes 1 usb 3.0 hub and often no usb 3.0 at all. Also it shows a lot of usb 1.1 controllers, but my mainboard only has usb 3.0 and 2.0. Hotplugging usb 3.0 devices works, but they only run at usb 3.0 speeds and booting with plugged devices often makes them dissapear.
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http://i62.tinypic.com/6z9fsl.jpg
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5458.314319] usb 2-3: new high-speed USB device number 4 using ehci-pci
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Linux tarro 3.13.5-1-ARCH #1 SMP PREEMPT Sun Feb 23 00:25:24 CET 2014 x86_64 GNU/Linux
cat /etc/group
root:x:0:root
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sys:x:3:root,bin
adm:x:4:root,daemon
tty:x:5:
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lp:x:7:daemon,darkmind
mem:x:8:
kmem:x:9:
wheel:x:10:root,darkmind,pct
ftp:x:11:
mail:x:12:
uucp:x:14:
log:x:19:root
utmp:x:20:
locate:x:21:
rfkill:x:24:
smmsp:x:25:
http:x:33:
games:x:50:darkmind
lock:x:54:
uuidd:x:68:
dbus:x:81:
network:x:90:darkmind,pct
video:x:91:darkmind,pct
audio:x:92:darkmind,pct
optical:x:93:pct,darkmind
floppy:x:94:
storage:x:95:darkmind
scanner:x:96:pct,darkmind
power:x:98:
nobody:x:99:
users:x:100:pct
systemd-journal:x:190:
polkitd:x:102:
transmission:x:169:
avahi:x:84:
usbmux:x:140:darkmind
ntp:x:87:
mysql:x:89:
kdm:x:135:
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If you post the full stats from your router
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[Solved] USB 3 (uPD720200) only detects devices at boot time.

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