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[Bug 1020664] New: USB Bluetooth stops working after "reset full-speed USB device number 3 using xhci_hcd"
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 18 Jan 2017 16:00:12 +0000
  • Message-id: <bug-1020664-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1020664


Bug ID: 1020664
Summary: USB Bluetooth stops working after "reset full-speed
USB device number 3 using xhci_hcd"
Classification: openSUSE
Product: openSUSE Tumbleweed
Version: Current
Hardware: x86-64
OS: SUSE Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Other
Assignee: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
Reporter: g-suse@xxxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Created attachment 710664
--> http://bugzilla.opensuse.org/attachment.cgi?id=710664&action=edit
Output of lsubs

Every time usb gets reset the bluetooth device stops working

dmesg:
[19352.497648] usb 2-7: reset full-speed USB device number 3 using xhci_hcd
[19357.757569] Bluetooth: hci0 command 0x0804 tx timeout

Most of the time i can reset and fix this with and bluetooth works till next
usb reset.

# modprobe -r btusb && modprobe btusb

Sometimes this doesn't help (I get the same timeout again). Then this ususally
helps:

# echo -n "0000:00:14.0" | tee /sys/bus/pci/drivers/xhci_hcd/unbind && sleep 2
&& echo -n "0000:00:14.0" | tee /sys/bus/pci/drivers/xhci_hcd/bind"

Then bluetooth works again till the next usb reset. I don't know why the usb
reset happens in the first place.

Hardware: Thinkpad T440s (Intel Core i5-4200U)

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