Red Hat Bugzilla – Bug 475357
QA ONLY [LTC 5.4 FEAT] Verify all MSI-X interrupt capable IO adapters with MSI-X on Power platform 
Last modified: 2009-06-20 04:35:02 EDT
Emily J. Ratliff <email@example.com> -
1. Feature Overview:
Feature Id: 
a. Name of Feature: Verify all MSI-X interrupt capable IO adapters with MSI-X on Power platform
b. Feature Description
By 10/2009, the MSI-X interrupt will be supported by the system firmware and the Linux kernel. All
of the MSI-X capable adapters need to be verified to make sure that they can run correctly with the
feature. Any problems found in the individual driver will be addressed through the bug process.
The driver/device that are expected to be verified as MSI-X capable are:
cxgb3 / Red River
e1000e / El Paso, Coleman
ixgbe / Knox
s2io / King
bnx2 / Nemo and the Combo card
bnx2x / Cobia (Low priority. TBD as out-of-plan)
lpfc / Coho, Jack
qla2xxx / Qlogic 4G, 8G and the Combo card
ib_mthca / CISCO 4X SDR IB HSDC (Arbel)
mlx4_ib / Mellanox 4X DDR IB HSDC (ConnectX)
2. Feature Details:
Arch Specificity: Purely Common Code
Affects Kernel Modules: Yes
Delivery Mechanism: Device Driver
Category: Device Drivers and IO
Request Type: Other
d. Upstream Acceptance: No Code Required
Sponsor Priority 1
f. Severity: High
IBM Confidential: no
Code Contribution: no
g. Component Version Target:
3. Business Case
The MSI-X interrupt provides better performance and throughput out of the PCI-Express IO devices.
4. Primary contact at Red Hat:
5. Primary contacts at Partner:
Project Management Contact:
Stephanie Glass, firstname.lastname@example.org, 512-838-9284
Daisy Chang, email@example.com
Paul Larson, firstname.lastname@example.org
Wendel Voigt, email@example.com
IBM, what is your plan for providing the necessary hardware for testing this?
IBM is signed up to test and provide feedback.
Updating PM score.
------- Comment From firstname.lastname@example.org 2009-03-30 09:13 EDT-------
This bug is being worked under LTC bug 51274, RH bug 279700.
RH bug 279700 does not exist, what is the correct number?
------- Comment From email@example.com 2009-04-13 12:56 EDT-------
Sorry John, that is a RH Issue tracker number 279700 which goes to RH bug 492580
*** This bug has been marked as a duplicate of bug 492580 ***