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Bug Fix Advisory kvm bug fix update

Advisory: RHBA-2011:0499-1
Type: Bug Fix Advisory
Severity: N/A
Issued on: 2011-05-10
Last updated on: 2011-05-10
Affected Products: RHEL Desktop Multi OS (v. 5 client)
RHEL Virtualization (v. 5 server)
RHEL Virtualization EUS (v. 5.6.z server)
RHEL Virtualization Long Life (v. 5.6 server)

Details

Updated kvm packages that fix one bug are now available for Red Hat Enterprise
Linux 5.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux
on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for the
standard Red Hat Enterprise Linux kernel.

This update fixes the following bug:

* Due to a regression introduced in Red Hat Enterprise Linux 5.6, duplicate
pages may have been transferred during a live migration of a KVM virtual
machine. Consequent to this, when a system was under heavy load, such a
migration may have failed to complete in some scenarios. This update applies a
patch that reverts this regression. As a result, the live migration is now more
efficient and no longer fails to complete under heavy load. (BZ#696155)

All users of kvm are advised to upgrade to these updated packages, which fix
this bug. Note that the procedure in the Solution section must be performed
before this update will take effect.


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

The following procedure must be performed before this update will take
effect:

1) Stop all KVM guest virtual machines.

2) Either reboot the hypervisor machine or, as the root user, remove (using
"modprobe -r [module]") and reload (using "modprobe [module]") all of the
following modules which are currently running (determined using "lsmod"):
kvm, ksm, kvm-intel or kvm-amd.

3) Restart the KVM guest virtual machines.

Updated packages

RHEL Desktop Multi OS (v. 5 client)

SRPMS:
kvm-83-224.el5_6.1.src.rpm
File outdated by:  RHSA-2014:0163
    MD5: cb624dd9ac128db4e8f035d0c57a4f35
SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd
 
x86_64:
kmod-kvm-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 603be956673e74368fba8f90d19b29f0
SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 5382424228c8ad8d10d2a7c6bae56bdb
SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b
kvm-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 94e72f599268aac4637762785a674fce
SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 535d186e9af9b3d620dae3f37bd2ae6b
SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500
kvm-tools-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: dd9cee8338cfd8e6b0b50d5503bf9c8c
SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9
 
RHEL Virtualization (v. 5 server)

SRPMS:
kvm-83-224.el5_6.1.src.rpm
File outdated by:  RHSA-2014:0163
    MD5: cb624dd9ac128db4e8f035d0c57a4f35
SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd
 
x86_64:
kmod-kvm-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 603be956673e74368fba8f90d19b29f0
SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 5382424228c8ad8d10d2a7c6bae56bdb
SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b
kvm-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 94e72f599268aac4637762785a674fce
SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: 535d186e9af9b3d620dae3f37bd2ae6b
SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500
kvm-tools-83-224.el5_6.1.x86_64.rpm
File outdated by:  RHSA-2014:0163
    MD5: dd9cee8338cfd8e6b0b50d5503bf9c8c
SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9
 
RHEL Virtualization EUS (v. 5.6.z server)

SRPMS:
kvm-83-224.el5_6.1.src.rpm
File outdated by:  RHSA-2014:0163
    MD5: cb624dd9ac128db4e8f035d0c57a4f35
SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd
 
x86_64:
kmod-kvm-83-224.el5_6.1.x86_64.rpm     MD5: 603be956673e74368fba8f90d19b29f0
SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm     MD5: 5382424228c8ad8d10d2a7c6bae56bdb
SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b
kvm-83-224.el5_6.1.x86_64.rpm     MD5: 94e72f599268aac4637762785a674fce
SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm     MD5: 535d186e9af9b3d620dae3f37bd2ae6b
SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500
kvm-tools-83-224.el5_6.1.x86_64.rpm     MD5: dd9cee8338cfd8e6b0b50d5503bf9c8c
SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9
 
RHEL Virtualization Long Life (v. 5.6 server)

SRPMS:
kvm-83-224.el5_6.1.src.rpm
File outdated by:  RHSA-2014:0163
    MD5: cb624dd9ac128db4e8f035d0c57a4f35
SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd
 
x86_64:
kmod-kvm-83-224.el5_6.1.x86_64.rpm     MD5: 603be956673e74368fba8f90d19b29f0
SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm     MD5: 5382424228c8ad8d10d2a7c6bae56bdb
SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b
kvm-83-224.el5_6.1.x86_64.rpm     MD5: 94e72f599268aac4637762785a674fce
SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm     MD5: 535d186e9af9b3d620dae3f37bd2ae6b
SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500
kvm-tools-83-224.el5_6.1.x86_64.rpm     MD5: dd9cee8338cfd8e6b0b50d5503bf9c8c
SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

696155 - Enlarging migrate_set_speed does not raise migration network transfer rates to the real network bandwidth



These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:
https://www.redhat.com/security/team/key/#package

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/