Ubuntu
linux package

  1. Bug #620074
  2. Comment #58

Comment 58 for bug 620074

Revision history for this message
In , mathieu.desnoyers (mathieu.desnoyers-linux-kernel-bugs) wrote :

I've reproduced this problem with LTTng (http://ltt.polymtl.ca). It looks like the block layer is backmerging the large "dd if=/dev/zero ...." requests at a rate which leaves the request on the top of the request queue.

I've started a more thorough discussion on lkml here :

http://lkml.org/lkml/2009/1/16/487