I tried to perform a cherry-pick of 4cfe87853. However, it looks like it will also need the following commits backported or cherry-picked:
7c2ce6e b6e97c1 a145df2 8e09134 14747cd 4cfe8785 I'll try to build a test kernel with these commits, but it may be too many changes for an SRU. In the mean time, can you test the LTS-backport-vivid kernel for Trusty? This is the kernel that comes with 14.04.3. It can be install with: sudo apt-get install linux-generic-lts-vivid -- 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/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: Confirmed 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1438039/+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
