kernel-packages team mailing list archive

[Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxxxx>]

Hello Junien,

Based on my previous feedbacks, I've created the following PPA:

https://launchpad.net/~inaddy/+archive/ubuntu/lp1505564

With a Trusty HWE kernel (vivid) + 2 patches:

nbd: Restructure debugging prints
nbd: Fix timeout detection

For you to use and provide me feedback.

I've done minor tests and it looks like there are no regressions.
Hopefully these patches will address the problem.

If they do, I'll work on fixing Trusty, Vivid, Wily and Xenial.

Cheers

Rafael Tinoco

PS: I'm still finishing kernel compilation and will copy packages
to the PPA as soon as it is ready (it might take a few min/hours).

-- 
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.

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