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New kernel 2.6.32-379.9.1.lve1.1.9.7.2 is available from our updates testing repository. This release fixes issue with lve_exit & lve_enter that would cause performance degradation and high IO wait on some servers. Changes: [*]Contention issue with cpuset on lve_exit/enter solved To update: # yum install kernel-2.6.32-379.9.1.lve1.1.9.7.2.el6 --enablerepo=cloudlinux-updates-testing

New Beta kernel for CL6 is available from our beta repository. The kernel fixes IOWait spikes issues that were recently found on some of our customer's servers.  Change Log: [*]Rebase to 042stab062.2 [*]RHSA-2012-1304 [*]boost throttled tasks on wake ups to prevent...

The new kernel module should improve stability of latest CL6 kernel. It has following bug fixes: [*]lve_flush race condition fix [*]error code cleanup over on module load/unload [*]create /dev/lve  as late as possible since chardev_open allows access while a module is initializing [*]extra debug info...

New kernel modules for latest kernel  2.6.32-379.5.1.lve1.1.9.6.1.el6 are available: kmod-lve 1.1-9.10: [*]Default namespace initialization on startup [*]BUGFIX: ub initialization correction on LVE enter kmod-iolimits 0.1-25 : [*]Mark throttled thread as sleeping To install: # yum update kmod-iolimits-0.1-25.el6 kmod-lve-1.1-9.10.el6 --enablerepo=cloudlinux-updates-testing

Kernel  2.6.32-379.5.1.lve1.1.9.6.1.el6 was moved to production channel. It is a rebase to upstream version: [*]Rebase to 2.6.32-042stab061.2 [*]RHSA-2012:1156 [*]RHBA-2012-1104 [*]Automatically add nohz=off to grub.conf To install: # yum install kernel-2.6.32-379.5.1.lve1.1.9.6.1.el6

New version of CL6 beta kernel is available. It is a rebase to upstream version: [*]Rebase to 2.6.32-042stab061.2 [*]RHSA-2012:1156 [*]RHBA-2012-1104 [*]Automatically add nohz=off to grub.conf [*]/proc/cpuinfo is visible to all users To install: # yum...

Over the past 6 months we were bugged by IO issues with CL6, and it looks like we finally found the cause. The fix is really simple, and requires single reboot. All that is needed is to add nohz=off as a kernel boot parameter. This also affects CL5 hybrid kernels. Just to explain what we have seen in...

... semaphore  [*]symlink patch to allow kernel level implementation of SecureLinks  [*]Various iolimits patches  [*]kmod_iolimits is now automatically installed on kernel update To install:  # yum install kernel We plan to release hybrid kernel for CL6 with IO limits support later this week.

New version of CL6 beta kernel with support for IO limits is ready. It includes following improvements and bug fixes: [*]Speed improvement on LVE enter/exit by switching from cgroup_mutex to rw semaphore [*]symlink patch to allow kernel level implementation of...

New version of CL6 beta kernel with support for IO limits is ready. It includes following improvements and bug fixes: [*]Numerous patches for IOLimits [*]Check BUG_ON(tsk!=task) in os_cpu_leave only when tsk != NULL [*]New functionality to allow moving threads...

Kernel 2.6.32-379.1.1.lve1.1.7.6.el6 has been moved to production [*]Rebase to latest upstream kernel 042stab059.7 [*]RHSA-2012-1064 [*]RHSA-2012-0862 To update: # yum install kernel-2.6.32-379.1.1.lve1.1.7.6.el6

New beta kernel 2.6.32-379.1.1.lve1.1.7.6.el6 is available from our testing repository. [*]Rebase to latest upstream kernel 042stab059.7 [*]RHSA-2012-1064 [*]RHSA-2012-0862 To install: # yum install kernel-2.6.32-379.1.1.lve1.1.7.6.el6 --enablerepo=cloudlinux-updates-testing

Kernel 2.6.32-320.17.1.lve1.1.7.3.el6 for CloudLinux 6.x is available from our production repositories. It is a rebase to latest kernel from upstream that brings in a lot of bug fixes: [*]Rebase to 042stab057.1 [*]RHSA-2012-0571 [*]RHSA-2012:0743 [*]Users can see only restricted view of /proc filesystem with only safe files being listed To update: # yum install kernel

New beta kernel for CloudLinux 6.x is available. It is a rebase to latest kernel from upstream that brings in a lot of bug fixes: [*]Rebase to 042stab057.1 [*]RHSA-2012-0571 [*]RHSA-2012:0743 [*]Users can see only restricted view of /proc filesystem with only safe files being listed To update: # yum install kernel-2.6.32-320.17.1.lve1.1.7.3.el6 --enablerepo=cloudlinux-updates-testing

Updated Jun 29, 2012 New kernel  2.6.32-320.17.1.lve1.1.7.2 was moved to production repository. The kernel has everything from previous 2.6.32-320.17.1.lve1.1.7.1 kernel, as well as: [*]RPM dependencies fixes [*]ubc.ioprio is disabled by default, that should result in significant IO improvements on some systems. To install: # yum update kernel

New beta kernel 2.6.32-320.17.1.lve1.1.7.1 is available for testing. It is based on stable kernel from upstream repository. It brings following fixes and changes: [*]RHEL 6.2 kernel 2.6.32-220.17.1.el6 related changes (security, bug fixes, and enhancements, see below) [*]Rebase to 042stab055.16 To install: yum install kernel-2.6.32-320.17.1.lve1.1.7.1.el6 --enablerepo=cloudlinux-updates-testing

There is a bug in this version of kernel that can cause server to deadlock. Please, avoid installing this kernel, or downgrade to stable kernel New kernel  2.6.32-320.17.1.lve1.1.8.el6 is available from our cloudlinux-updates-testing repository. It is based on latest stable kernel from upstream repository and includes number of additional fixes to optimize IO performance: [*]RHEL 6.2 kernel 2.6.32-220.17.1.el6 related changes (security, bug fixes, and enhancements, see below) [*]Rebase to 42stab055...

New kernel 2.6.32-320.4.1.lve1.1.7.el6 was moved into production repository. It is based on stable kernel from upstream repository. The kernel is available for CloudLinux 6.x and CloudLinux 5.x Hybrid installations. It brings following fixes and changes: [*]RHEL 6.2 kernel 2.6.32-220.13.1.el6 related changes (security, bug fixes, and enhancements, see below) [*]Rebase to 042stab055.10 To install: # yum update kernel

Kernel kernel-2.6.32-320.4.1.lve1.1.4 was moved to production repository. The kernel was tested for the past 3 weeks, and so far it shows significant performance and stability improvements over lve0.9.18 kernel. It includes following bug fixes and improvements [*]Rebase to 042stab052.3 kernel, which brings us in line with latest RHEL 6.2 kernel [*]Load Average calculations improvements [*]Improvements in lve_destroy to make sure all threads inside LVE are killed To update:  # yum update...

New kernel kernel-2.6.32-320.4.1.lve1.1.4 is available from our cloudlinux-updates-testing repository.  The kernel is based on beta kernel from OpenVZ and as the result might be less stable then our typical beta kernels. It includes following bug fixes nad improvements [*]Rebase to 042stab052.3 kernel, which brings us in line with latest RHEL 6.2 kernel [*]Load Average calculations improvements [*]Improvements in lve_destroy to make sure all threads inside LVE are killed To update:  ...