USB FMA error "Fault class : fault.io.usb.eps"

Asset ID:	1-72-1943535.1
Update Date:	2017-10-05
Keywords:

Solution Type Problem Resolution Sure

Solution 1943535.1 : USB FMA error "Fault class : fault.io.usb.eps"

Applies to:

SPARC T5-2 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

USB fma error

Example:

--------------- ------------------------------------ -------------- ---------
TIME EVENT-ID MSG-ID SEVERITY
--------------- ------------------------------------ -------------- ---------
Sep 02 13:23:55 827afd28-6001-e249-e718-9f289d28f033 USB-8000-4U Major

Problem Status : isolated
Diag Engine : eft / 1.16
System
Manufacturer : Oracle-Corporation
Name : SPARC-T5-2
Part_Number : 31976665+1+1
Serial_Number : AK00121728
Host_ID : 86359ed6

----------------------------------------
Suspect 1 of 1 :
Fault class : fault.io.usb.eps
Certainty : 100%
Affects : dev:////pci@340/pci@1/pci@0/pci@3/usb@0/hub@5/communications@2
Status : faulted but still in service

FRU
Name : "hc://:chassis-mfg=Oracle Corporation:chassis-name=SPARC T5-2:chassis-part=31976665+1+1:chassis-serial=AK00121728:fru-part=a4a2-0430:parent-serial=465769T+1321UL04FE/chassis=0/motherboard=0/cpuboard=0/hostbridge=0/pciexrc=0/pciexbus=1/pciexdev=0/pciexfn=0/pciexbus=2/pciexdev=3/pciexfn=0/pciexbus=3/pciexdev=0/pciexfn=0/usbhub=5/usbdev=2"
Manufacturer : unknown
Name : unknown
Part_Number : a4a2-0430
Revision : unknown
Serial_Number : unknown
Chassis
Manufacturer : Oracle Corporation
Name : SPARC T5-2
Part_Number : 31976665+1+1
Serial_Number : AK00121728
Status : faulty

Description : An end point stall was detected in the USB device and the
corresponding driver may not be able to recover from the errors
automatically.

Response : Device may have been disabled or may not be fully functional.

Impact : Loss of services provided by the device instances associated with
this fault.

Action : Use 'fmadm faulty' to provide a more detailed view of this event.
Please refer to the associa

Cause

This is due to a known issue which is fixed as shown in the Solution section

Solution

Fix delivered in Oracle Solaris 11.2.4.6.0 (or greater)

References

<BUG:16105196> - EREPORT.IO.USB.EPSE AND FAULT.IO.USB.EPS OCCUR
<BUG:16268647> - FAULT.IO.USB.EPS BEING REPORTED ON T5
<NOTE:166650.1> - Working Effectively With Oracle Support - Best Practices

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