The test kernel linked in comment #11 has been solid for me. I've not hit this oops while running it. I accidentally rebooted into the latest Vivid kernel and the kernel oopsed upon joining a Google Hangout.
The test kernel linked in comment #11 has been solid for me. I've not hit this oops while running it. I accidentally rebooted into the latest Vivid kernel and the kernel oopsed upon joining a Google Hangout.