Technology Previews - Red Hat ENTERPRISE LINUX 5.4 - RELEASE NOTES Release Note

Release Notes
• The mvsas driver is now updated to version 0.5.4. This applies several fixes and enhancements
from upstream, and adds support for Marvell RAID bus controllers MV64460, MV64461, and
MV64462. (BZ#485126
• The qla2xxx driver has been updated to version 8.03.00.10.05.04-k, and now supports Fibre
Channel over Convergence Enhanced Ethernet adapters. With this release, qla2xxx also applies
several bug fixes from upstream, including:
140
BZ#495094
)
• Discrepancies detected during OVERRUN handling on 4GB and 8GB adapters are now corrected.
• All vports are now alerted of any asynchronous events.
• A bug that caused kernel panics with the QLogic 2472 card is now fixed.
• The stop_firmware command is no longer retried if the first attempt results in a times out.
• The sector mask value is no longer based on the fixed optrom size.
• A bug that caused frequent path failures during I/O on multipathed devices is now fixed.
141
(BZ#244967 )
• The driver source code is now kABI-compliant.
• dcbx pointers are now set to NULL after freeing memory.
In addition to these updates, the qla24xx and qla25xx firmwares included in the qla2xxx driver
are now updated to version 4.04.09.
• The qla4xxx driver now features improved driver fault recovery. This update fixes a bug in the
driver that prevented adapter recovery if there were outstanding commands detected on the host
adapter. (BZ#497478
• This release includes the new qlge driver. This driver adds ethernet support for QLogic FCoE 10GB
adapters. (BZ#479288

9. Technology Previews

Technology Preview features are currently not supported under Red Hat Enterprise Linux subscription
services, may not be functionally complete, and are generally not suitable for production use.
However, these features are included as a customer convenience and to provide the feature with wider
exposure.
The following Technology Previews are new or enhanced in Red Hat Enterprise Linux 5.4. For detailed
information on the Technology Previews in Red Hat Enterprise Linux 5.4, refer to the Technology
Previews section of the 5.4 Technical Notes located at
enterprise/
• New Emulex Tiger Shark converged network adapter driver. Refer to
Updates"
for more information.
• New Systemtap Tracepoints. Refer to
• New Gnu Compiler Collection version 4.4. Refer to
18
136
)
(BZ#471900
142
)
143
)
Section 8.1.1, "Debugging"
137 138
BZ#480204
,
http://www.redhat.com/docs/manuals/
Section 8.3.3, "Network Driver
for more information.
Section 6, "Tools Updates"
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BZ#495092
, , and
for more information.