Okay, PPA is ready:
https://launchpad.net/~inaddy/+archive/ubuntu/lp1505564/+packages Please upgrade kernel to: linux-lts-vivid - 3.19.0-36.41~14.04.1hf00090138v20151122b1 By doing: $ sudo add-apt-repository ppa:inaddy/lp1505564 $ sudo apt-get update $ sudo apt-get install linux-image-3.19.0-36-generic linux-image-extra-3.19.0-36-generic linux-headers-3.19.0-36-generic And make sure packages are being installed from PPA. Then reboot server using the hotfixed kernel. I'm looking forward on hearing feedback if this kernel mitigated the issues. Cheers Rafael Tinoco -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1505564 Title: Soft lockup with "block nbdX: Attempted send on closed socket" spam Status in linux package in Ubuntu: In Progress Bug description: Some of our nova compute hosts regularly freeze, sometimes for a few hours, with kern.log getting spammed with: block nbdX: Attempted send on closed socket and a few "CPU soft lockup" messages (see attached log). This clears up when the queue gets cleared, eg : block nbdX: queue cleared trusty hosts with kernel version 3.19.0-30-generic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1505564/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
