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[Bug 1248478] Re: NFS client readdir loop

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.12 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/v3.12-saucy/

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

** Tags added: precise

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https://bugs.launchpad.net/bugs/1248478

Title:
  NFS client readdir loop

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Apparent duplicate of this expired bug, reproducing on 12.04 LTS which
  is still supported.

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1026139

  I get several errors of the following form on the client side of an
  NFS4 mount. I Issue may be related to the large number of files in the
  mount point, there are about 150K in there.

  NFS: directory xxx contains a readdir loop.Please contact your server
  vendor.  The file: xxx has duplicate cookie xxx

  The software fails with " Too many levels of symbolic links". No
  errors appear on the server log.

  3.- I expect the software to access the files and no readdir loop
  errors to occur

  4.- Software fails with Too many levels of symbolic links, kernel logs
  NFS: directory xxx contains a readdir loop.Please contact your server
  vendor.  The file: xxx has duplicate cookie xxx

  No apparent problems are present on the server and I can share out the
  same filesystem via SMB without any issues.

  Attaching ubuntu-bug, version signature and lspci from both client and
  server side.

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References