Re: KVM Disk i/o or VM activities causes soft lockup?

2012-11-26 Thread Stefan Hajnoczi
On Fri, Nov 23, 2012 at 10:34:16AM -0800, Vincent Li wrote: On Thu, Nov 22, 2012 at 11:29 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Nov 21, 2012 at 03:36:50PM -0800, Vincent Li wrote: We have users running on redhat based distro (Kernel 2.6.32-131.21.1.el6.x86_64 ) with kvm,

Re: KVM Disk i/o or VM activities causes soft lockup?

2012-11-26 Thread Vincent Li
On Mon, Nov 26, 2012 at 2:58 AM, Stefan Hajnoczi stefa...@gmail.com wrote: On Fri, Nov 23, 2012 at 10:34:16AM -0800, Vincent Li wrote: On Thu, Nov 22, 2012 at 11:29 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Nov 21, 2012 at 03:36:50PM -0800, Vincent Li wrote: We have users running

Re: KVM Disk i/o or VM activities causes soft lockup?

2012-11-23 Thread Vincent Li
On Thu, Nov 22, 2012 at 11:29 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Nov 21, 2012 at 03:36:50PM -0800, Vincent Li wrote: We have users running on redhat based distro (Kernel 2.6.32-131.21.1.el6.x86_64 ) with kvm, when customer made cron job script to copy large files between kvm

KVM Disk i/o or VM activities causes soft lockup?

2012-11-22 Thread Vincent Li
Hi, We have users running on redhat based distro (Kernel 2.6.32-131.21.1.el6.x86_64 ) with kvm, when customer made cron job script to copy large files between kvm guest or some other user space program leads to disk i/o or VM activities, users get following soft lockup message from console: Nov

Re: KVM Disk i/o or VM activities causes soft lockup?

2012-11-22 Thread Stefan Hajnoczi
On Wed, Nov 21, 2012 at 03:36:50PM -0800, Vincent Li wrote: We have users running on redhat based distro (Kernel 2.6.32-131.21.1.el6.x86_64 ) with kvm, when customer made cron job script to copy large files between kvm guest or some other user space program leads to disk i/o or VM activities,