[Bug 708920] Re: Strange 'fork/clone' blocking behavior under high cpu usage on EC2

2011-05-16 Thread Robert Newson
Hi Stefan, Just an update. That same node has run flawlessly under high load since my last post, no lockups. What are your thoughts on the claim that this bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/727459 is the cause of the problem? B. -- You received this bug notification becaus

[Bug 708920] Re: Strange 'fork/clone' blocking behavior under high cpu usage on EC2

2011-05-05 Thread Robert Newson
Stefan, I've been testing your kernels and stability seems much improved. It's only been a few days but the server has been under quite a lot of load without an issue, with the stock ec2 kernel this was definitely not the case. Cautious optimism, but I'd love to isolate which of the patches was t