It looks if events are preceeding me, but here is what I've found so far:
1. The earlier comments about using a custom kernel are just a red herring. I build a custom kernel using the standard lowlatency configuration and (not surprisingly) the bcmwl dkms module failed to compile.
2. A diff between the distro /boot/config-3.8.0-27-lowlatency and config-3.8.0-27-generic shows VERY few changes, mainly PREEMPT stuff and (probably) consequential LOCK variables - see attachment for full diff.
It looks if events are preceeding me, but here is what I've found so far:
1. The earlier comments about using a custom kernel are just a red herring. I build a custom kernel using the standard lowlatency configuration and (not surprisingly) the bcmwl dkms module failed to compile.
2. A diff between the distro /boot/config- 3.8.0-27- lowlatency and config- 3.8.0-27- generic shows VERY few changes, mainly PREEMPT stuff and (probably) consequential LOCK variables - see attachment for full diff.
3. I built my custom kernel from the distro source package, not git. I intend to hack the patch proposed in https:/ /bugs.launchpad .net/ubuntu/ +source/ linux-lowlatenc y/+bug/ 1154036 (posted in march 2013!!) and try to apply it to my kernel source.