- Issued:
- 2011-05-10
- Updated:
- 2011-05-10
RHBA-2011:0499 - Bug Fix Advisory
Synopsis
kvm bug fix update
Type/Severity
Bug Fix Advisory
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
Updated kvm packages that fix one bug are now available for Red Hat Enterprise
Linux 5.
Description
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.
Affected Products
- Red Hat Enterprise Linux Server 5 x86_64
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6 x86_64
- Red Hat Enterprise Linux Server - AUS 5.6 x86_64
- Red Hat Enterprise Linux Workstation 5 x86_64
Fixes
- BZ - 696155 - Enlarging migrate_set_speed does not raise migration network transfer rates to the real network bandwidth
CVEs
(none)
References
(none)
Red Hat Enterprise Linux Server 5
SRPM | |
---|---|
kvm-83-224.el5_6.1.src.rpm | SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd |
x86_64 | |
kmod-kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b |
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm | SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b |
kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314 |
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm | SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500 |
kvm-tools-83-224.el5_6.1.x86_64.rpm | SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9 |
Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6
SRPM | |
---|---|
kvm-83-224.el5_6.1.src.rpm | SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd |
x86_64 | |
kmod-kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b |
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm | SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b |
kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314 |
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm | SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500 |
kvm-tools-83-224.el5_6.1.x86_64.rpm | SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9 |
Red Hat Enterprise Linux Server - AUS 5.6
SRPM | |
---|---|
kvm-83-224.el5_6.1.src.rpm | SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd |
x86_64 | |
kmod-kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b |
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm | SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b |
kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314 |
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm | SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500 |
kvm-tools-83-224.el5_6.1.x86_64.rpm | SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9 |
Red Hat Enterprise Linux Workstation 5
SRPM | |
---|---|
kvm-83-224.el5_6.1.src.rpm | SHA-256: 22e16d3804f38c21f232d7773cddaafe168c8bea58e7063453ea29da130ad4cd |
x86_64 | |
kmod-kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6b8444a8c5555e179c25ea3a536c1f7bf9ca6f5a734f04b4bc4d0649130fa90b |
kmod-kvm-debug-83-224.el5_6.1.x86_64.rpm | SHA-256: 2954b738ac276f6d5a1dc148de933e8cf3ab1ded16cdd5d5f5c83360e2fafa0b |
kvm-83-224.el5_6.1.x86_64.rpm | SHA-256: 6d386939fbaf61fe7a5a5606c7dbd86a8006551f195b30cb202a44c6c34ae314 |
kvm-qemu-img-83-224.el5_6.1.x86_64.rpm | SHA-256: 46cf3a8fe06bc039285935437eb53789e5adbef9d560ef59be31caff07f14500 |
kvm-tools-83-224.el5_6.1.x86_64.rpm | SHA-256: 189b9ae79ee631675d8edcdcea97fb42a6bf432762e7dc7220e9d51c9bd33fb9 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.