Kexec-Tools - Red Hat ENTERPRISE LINUX 5.5 - TECHNICAL NOTES Manual

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Chapter 1. Package Updates
A check was placed in an additional portion of the bridge forwarding code and the following
message (or similar) will be printed to the console or logs when a device with LRO enabled is placed
into a bridge on the host or has routing enabled: "eth0: received packets cannot be forwarded while
BZ#483646
LRO is enabled".
• jbd slab cache creation/deletion is racey.
• In some cases, kernel panics while calling SysRQ-C. The printk warning about long delays was
removed, and the kernel no longer hangs when SysRQ-C is called.
• Fix serial ports on IBM Point-of-Sale hardware.
• Add support for Intel multi-APIC-cluster systems.
• A bug was found in ia64_mca_modify_original_stack (arch/ia64/kernel/mca.c) where if INIT was
issued while the kernel was in fsys-mode, the register was not saved in the stack. Consequently,
the kdump corefile could not be backtraced in IA64. Registers in the stack are now restored on init.
1191
BZ#515753
• Add a tracepoint for the coredump event to the kernel. The new tracepoint provides tracing tools
with pointers to the coredump filename string, and to the coredump_params data structure.
1192
BZ#517115
• Add four new signal-related tracepoints to the kernel. These tracepoints provide tracing tools which
can deliver significant amounts of data. Refer to the bug report for full details.
• Add support for Nehalem-EX (Beckton) processors in Oprofile.

1.89. kexec-tools

1.89.1. RHBA-2009:1600: bug fix update
Note
This update has already been released (prior to the GA of this release) as errata
RHBA-2009:1600
An updated kexec-tools package that fixes various bugs is now available.
kexec-tools provides the /sbin/kexec binary that facilitates a new kernel to boot using the kernel's
kexec feature either on a normal or a panic reboot. This package contains the /sbin/kexec binary and
ancillary utilities that together form the user-space component of the kernel's kexec feature.
This updated kexec-tools package includes fixes for the following bugs:
* when the bonding network driver was configured on a system running as dom0 with the kernel-xen
kernel, sending a vmcore file via the bonded interface failed due to a mkdumprd misconfiguration,
resulting in a loss of the core. With this update, sending a vmcore file on a dom0 system with kdump
128
1186
BZ#496847
BZ#506799
BZ#507333
1195
1187
BZ#497195
1189
1190
1194
BZ#521992
1188
1193
BZ#517121

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