T3/T4 Servers: Spurious Interrupt from USB on ino 0x1 / 0x2 / 0x4 (Doc ID 1565509.1)

Last updated on SEPTEMBER 28, 2016

Applies to:

Netra SPARC T4-1B - Version All Versions and later
Netra SPARC T3-1B - Version All Versions and later
SPARC T4-1B - Version All Versions and later
SPARC T4-1 - Version All Versions and later
SPARC T4-2 - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Messages File or console displays:

<date time> <hostname>  px: [ID 781074 kern.warning] WARNING: px0: spurious interrupt from ino 0x4
<date time> <hostname>  px: [ID 548919 kern.info] ehci-0#0

or

<date time> <hostname>  px: [ID 781074 kern.warning] WARNING: px0: spurious interrupt from ino 0x1
<date time> <hostname>  px: [ID 548919 kern.info] ohci-0#0 

or

<date time> <hostname> px: [ID 781074 kern.warning] WARNING: px0: spurious interrupt from ino 0x2
<date time> <hostname> px: [ID 548919 kern.info] ohci-0#0

Cause

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