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Description of problem:
Mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=735048#c4
This one is the second issue.
---
After times of detach/attach usb3 hub (always with usb3 device attached),
xhci driver died.(means all operations to USB3 root hub is not responded).
---

Version-Release number of selected component (if applicable):
kernel-2.6.32-193.el6usb3.x86_64

How reproducible:
not always

Steps to Reproduce:
1.as description
2.
3.
  
Actual results:


Expected results:


Additional info:
Confirm ehci/ohci drivers are still alive, and works fine both with usb2 and usb3 device or hub.

I don't think this use case can be justified for a 6.2 blocker.  Pushing this out to 6.3 for now.

Cheers,
Don

This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.

Patch(es) available on kernel-2.6.32-235.el6

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2012-0862.html