Bug 244079

Summary:	kernel: hub 3-0:1.0: port 3 disabled by hub (EMI?), re-enabling...
Product:	Red Hat Enterprise Linux 5	Reporter:	Thomas <thomas>
Component:	kernel	Assignee:	John Feeney <jfeeney>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Martin Jenner <mjenner>
Severity:	high	Docs Contact:
Priority:	low
Version:	5.0	CC:	jarod, jfeeney
Target Milestone:	---
Target Release:	---
Hardware:	i386
OS:	Linux
Whiteboard:
Fixed In Version:	2.6.18-8.1.8.el5	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2007-09-10 13:30:56 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Thomas 2007-06-13 17:36:26 UTC

Under kernel 2.6.18-8.1.4 PAE USB errors plague Dell PowerEdge SC1435 systems:

Jun 13 12:56:12 www1 kernel: hub 3-3:1.0: USB hub found
Jun 13 12:56:12 www1 kernel: hub 3-3:1.0: 2 ports detected
Jun 13 12:56:12 www1 kernel: hub 3-0:1.0: port 3 disabled by hub (EMI?), re-enabling...
Jun 13 12:56:12 www1 kernel: usb 3-3: USB disconnect, address 68
Jun 13 12:56:13 www1 kernel: usb 3-3: new high speed USB device using ehci_hcd and address 69
Jun 13 12:56:13 www1 kernel: usb 3-3: configuration #1 chosen from 1 choice

Errors continue in an infinite loop.

This problem is NOT present in outdated 2.6.18-8 kernel.

Unloading ehci_hcd also resolves errors, but does not satisfy udev.

Comment 1 Jarod Wilson 2007-09-02 03:10:24 UTC

Thomas, can you try out the latest rhel5.1 beta kernel to confirm whether or not this issue still persists?

http://people.redhat.com/dzickus/el5/

Comment 2 Thomas 2007-09-10 12:47:12 UTC

I can't try a beta kernel on one of our production systems, I can tell you that
our previous deployments of the same SC1435 build using the latest RHEL 5 (1.8)
kernel did not report these errors for us.

Comment 3 Jarod Wilson 2007-09-10 13:30:56 UTC

Ah, excellent. If the problem is fixed in 2.6.18-8.1.8.el5, then it should also
be fixed in the latest RHEL5.1 beta kernels.