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[Bug 978073] New: USB3 bus fails to enumerate in rare cases
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 02 May 2016 14:38:29 +0000
  • Message-id: <bug-978073-21960@http.bugzilla.novell.com/>
http://bugzilla.novell.com/show_bug.cgi?id=978073


Bug ID: 978073
Summary: USB3 bus fails to enumerate in rare cases
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.1
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
Assignee: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
Reporter: oneukum@xxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Depends on: 978056
Found By: ---
Blocker: ---

+++ This bug was initially created as a clone of Bug #978056 +++

This is from upstream.

In rare cases if USB2 and USB3 devices are mixed on an XHCI controller
enumeration of devices fail and the bus hangs.

ommit c09343071e1d34ad406c536f98ac84314268e7ce
Author: Chris Bainbridge <chris.bainbridge@xxxxxxxxx>
Date: Mon Apr 25 13:48:38 2016 +0100

usb: core: hub: hub_port_init lock controller instead of bus

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