RHBA-2011:0736 - Bug Fix Advisory

Topic

An updated kexec-tools package that fixes several bugs and adds various
enhancements is now available for Red Hat Enterprise Linux 6.

Description

The kexec fastboot mechanism allows booting a Linux kernel from the context of
an already running kernel. The kexec-tools package provides the /sbin/kexec
binary and ancillary utilities that form the user-space component of the
kernel's kexec feature.

This updated kexec-tools package includes numerous bug fixes and enhancements.
Space precludes documenting all of these changes in this advisory. Users are
directed to the Red Hat Enterprise Linux 6.1 Technical Notes for information on
the most significant of these changes:

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html-single/6.1_Technical_Notes/index.html#RHBA-2011-0736

All users of kexec-tools are advised to upgrade to this updated package, which
provides numerous bug fixes and enhancements.

Solution

Before applying this update, make sure that all previously-released errata
relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 605411 - check raw partition for core dump when starting kdump service
• BZ - 607400 - UV support: kexec command: extend for large cpu count and memory
• BZ - 619682 - [RHEL6]blacklist should be added to man page
• BZ - 626606 - mkdumprd does not complete and hangs forever
• BZ - 626746 - Please reflect the setting of "path" line in /etc/kdump.conf
• BZ - 627834 - 'Netmask is missed!' when bonding or bridge is used
• BZ - 628827 - misleading comment about 'cp' in /etc/kdump.conf
• BZ - 630305 - [firstboot][ml_IN] - Translation Short-cuts are inconsistent, some English, some Malayalam
• BZ - 630309 - [kexec-tools][ml_IN] Translation problem and keyboard Selection Section untranslated
• BZ - 632709 - [6.1 FEAT] makedumpfile port to zLinux.
• BZ - 642855 - dhcp cannot get IP when trying to dump to remote server
• BZ - 652191 - 'core_collector cp' causes vmcore being named vmcore.flat though it's copied by scp
• BZ - 652724 - "Insufficient memory to configure kdump!" during install
• BZ - 654245 - firstboot gives "Insufficient memory to configure kdump!" warning when configuring kdump on 4G RAM system
• BZ - 669655 - mkdumprd failed to build initrd in read-only root
• BZ - 671013 - Kdump fails after updating drive firmware.
• BZ - 676758 - firstboot doesn't recognize the new crashkernel syntax
• BZ - 679310 - [ru_RU] Firstboot Kdump page contains tag —
• BZ - 680741 - makedumpfile -V segfaults
• BZ - 683713 - kill: cannot kill pid 887: No such process
• BZ - 683735 - Makedumpfile fails to recover the raw dump file
• BZ - 688150 - Firstboot - Closing an window is accepted as "Yes"
• BZ - 691632 - readmem: Can't read the dump memory(/proc/vmcore). Cannot allocate memory
• BZ - 693015 - mdadm: No arrays found in config file or automatically

CVEs

(none)

References

• https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html-single/6.1_Technical_Notes/index.html#RHBA-2011-0736