kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.18 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18-rc1-utopic/


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Tags added: utopic

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https://bugs.launchpad.net/bugs/1384659

Title:
  NFSv3/TCP in 14.10 major issues and kernel NULL pointer dereference

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Upgraded a NFS client to 14.10. Server is running FreeBSD 10.0, no
  changes on server from when client was running 14.04. Client is using
  NFSv3 over TCP.

  Client hosts virtual machines - first virtual machine starts ok,
  second virtual machine starts but machine needs to fsck and reports
  timeouts, left overnight still cannot complete fsck. A simple "ls" of
  the NFS share hangs.

  3.16.0-22-generic kernel kern.log generates warning and the Oops with
  null pointer dereference (see attached).

  Tried mainline 3.16.6-031606-generic with same result (see attached).
  Same behaviour, fsck never finishes and ls hangs.

  Tried mainline 3.14.22-031422-generic and problem is gone, fsck
  finishes in several seconds, no problems with ls, machine and VMs
  running normally since.

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