kernel-packages team mailing list archive

[Rolf Leggewie <1438039@xxxxxxxxxxxxxxxxxx>]

utopic has seen the end of its life and is no longer receiving any
updates. Marking the utopic task for this ticket as "Won't Fix".

** Changed in: linux (Ubuntu Utopic)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1438039

Title:
  Ubuntu14.04.1 kernel panics with   enic driver throwing a NULL Pointer
  exception

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Confirmed
Status in linux source package in Utopic:
  Won't Fix
Status in linux source package in Vivid:
  Fix Released

Bug description:
  Steps to reproduce the bug:
  1. Install Ubuntu 14.04.1 on the Cisco M-series server.
  2. Run reboot test, OS will come up and go for graceful reboot continuously.
  3. I am seeing kernel panic in 3 out of 4 Ubuntu machines . Don't know after how many iterations of reboot it happened. I checked the server 6 hours after starting the reboot test.
  4. Don't know whether this panic is happening while the OS was booting or while going for reboot.

  The bug has been root caused to the enic driver and a fix has been posted upstream.
  Please find below the details of the patch submitted upstream.

  4cfe878537cec0e9c0f84b93cc6aa9526f6942b5 enic: do tx cleanup in napi
  poll.

  This bug is submitted for the patch to be pulled in from upstream to
  Ubuntu's releases.

  ===
  break-fix: - 4cfe878537cec0e9c0f84b93cc6aa9526f6942b5

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