The Linux kernel handles the basic functions of the operating system.
This is the third regular kernel update to Red Hat Enterprise Linux 4.
New features introduced in this update include:
Open InfiniBand (OpenIB) support
Serial Attached SCSI support
NFS access control lists, asynchronous I/O
IA64 multi-core support and sgi updates
Large SMP CPU limits increased using the largesmp kernel: Up to 512 CPUs in ia64, 128 in ppc64, and 64 in AMD64 and Intel EM64T
Improved read-ahead performance
Common Internet File System (CIFS) update
Error Detection and Correction (EDAC) modules
There were several bug fixes in various parts of the kernel. The ongoing effort to resolve these problems has resulted in a marked improvement in the reliability and scalability of Red Hat Enterprise Linux 4.
The following security bug was fixed in this update:
The following device drivers have been upgraded to new versions:
cciss: 2.6.8 to 2.6.8-rh1 ipmi_devintf: 33.4 to 33.11 ipmi_msghandler: 33.4 to 33.11 ipmi_poweroff: 33.4 to 33.11 ipmi_si: 33.4 to 33.11 ipmi_watchdog: 33.4 to 33.11 mptbase: 3.02.18 to 3.02.60.01rh e1000: 6.0.54-k2-NAPI to 6.1.16-k2-NAPI ixgb: 1.0.95-k2-NAPI to 1.0.100-k2-NAPI tg3: 3.27-rh to 3.43-rh aacraid: 1.1.2-lk2 to 1.1-5 ahci: 1.01 to 1.2 ata_piix: 1.03 to 1.05 iscsi_sfnet: 4:0.1.11-1 to 4:0.1.11-2 libata: 1.11 to 1.20 qla2100: 8.01.00b5-rh2 to 8.01.02-d3 qla2200: 8.01.00b5-rh2 to 8.01.02-d3 qla2300: 8.01.00b5-rh2 to 8.01.02-d3 qla2322: 8.01.00b5-rh2 to 8.01.02-d3 qla2xxx: 8.01.00b5-rh2 to 8.01.02-d3 qla6312: 8.01.00b5-rh2 to 8.01.02-d3 sata_nv: 0.6 to 0.8 sata_promise: 1.01 to 1.03 sata_svw: 1.06 to 1.07 sata_sx4: 0.7 to 0.8 sata_vsc: 1.0 to 1.1 cifs: 1.20 to 1.34
bnx2: 1.4.25 dell_rbu: 0.7 hangcheck-timer: 0.9.0 ib_mthca: 0.06 megaraid_sas: 00.00.02.00 qla2400: 8.01.02-d3 typhoon: 1.5.7
All Red Hat Enterprise Linux 4 users are advised to upgrade their kernels to the packages associated with their machine architectures and configurations as listed in this erratum.