[Bug 704022] Re: xen_emul_unplug=unnecessary on kernel cmdline is required in ec2 hvm

2012-01-20 Thread Robert J Berger
If what Matt says is true, shouldn't this be incorporated into the next release of the Ubuntu HVM images? I think people only notice this if they are running applications that get upset when there is a long pause like HBase/Zookeeper. In our case it notices that there is a long pause and considers

[Bug 704022] Re: xen_emul_unplug=unnecessary on kernel cmdline is required in ec2 hvm

2012-01-19 Thread Robert J Berger
We have been having ongoing issues with Ubuntu 11.04 HVM instances on AWS EC2 having ATA errors causing long timeouts. AWS engineering is now saying its due / related to this bug. Seems hard to believe, but I thought you might be interested. See: https://forums.aws.amazon.com/message.jspa?messageI