In case it's relevant for Karmic, this email mentions latency issues reintroduced in kernel 2.6.30/31 but apparently fixed now in 2.6.32: http://lkml.org/lkml/2009/10/5/247
In case it's relevant for Karmic, this email mentions latency issues reintroduced in kernel 2.6.30/31 but apparently fixed now in 2.6.32: http:// lkml.org/ lkml/2009/ 10/5/247