I think I nailed it: in clc/modules/cluster-manager/src/main/java/edu/ucsb/eucalyptus/cloud/cluster/VmInstance.java
m.put( "block-device-mapping/", "emi\nephemeral0\nroot\nswap" ); m.put( "block-device-mapping/emi", "sda1" ); m.put( "block-device-mapping/ami", "sda1" ); m.put( "block-device-mapping/ephemeral", "sda2" ); That last line should probably read m.put( "block-device-mapping/ephemeral0", "sda2" ); Regression introduced in r906: - m.put( "block-device-mapping/", "emi\nephemeral\nroot\nswap" ); + m.put( "block-device-mapping/", "emi\nephemeral0\nroot\nswap" ); without changing the ephemeral reference below. ** Changed in: eucalyptus (Ubuntu Lucid) Status: Confirmed => Triaged -- 20100222 images fail to boot in UEC (HTTP error 500 retrieving ephemeral0 metadata) https://bugs.launchpad.net/bugs/525675 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to eucalyptus in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs