Ubuntu
linux-lts-backport-oneiric package

  1. Bug #1011792
  2. Comment #29

Comment 29 for bug 1011792

Revision history for this message
Rick Branson (rbranson) wrote :

(I work with Mike Krieger.)

Our "quick fix" for this was to use HVM guests.

Unfortunately the only way for us to reproduce this bug at the moment is to put a database box under production load, so we have to be judicious in our approach. It also takes several hours for us to bring up a new guest up to sync and ready for the load, so it's not something that's easy to iterate on. We've tried running several different torture tests & I/O benchmarks with no success.

Our next step is to run a PV guest with with a sched_clock_stable=0 kernel, and if that still reproduces the issue we'll try turning autogroups off.