On Dec 15, 2011, at 1:47 PM, Vivek Goyal wrote: > Ok, I continued to develop on the patch which tries to allocate per cpu > stats from worker thread context. Here is the patch. > > Can the reporter please try out the patch and see if it helps. I am not > sure if deadlock was because of mutex issue or not, but it should help > get rid of lockdep warning. > > This patch is on top of for-3.3/core branch of jens's linux-block tree. > If it does not apply on your kernel version, do let me know the version > you are testing with and I will generate another version of patch. > > If testing results are good, I will break down the patch in small pieces > and post as a series separately. > > Thanks > Vivek Running on a fedora-16 box with the patch applied to the linux-block tree I still had deadlocks. In fact it seemed to happen much faster and with ligher workloads. I was able to get netconsole setup and a full stacktrace is posted here: http://pastebin.com/9Rq68exU Nate -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
