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[Nick Sillito <nick@xxxxxxxxxxxxxxxx>]

Public bug reported:

I am running ubuntu server 64 bit 14.04 on my home server.
The server shares some directories using NFS v4

I have some apple macs (MBAs) that use the automount to mount the shared nfs directory. Previously, this had worked fine.
My file /etc/auto_nfs contains the single line:
/../Volumes/share	-fstype=nfs,noresvport	nfs://serv2_local:/export/share


I updated to kernel 3.13.0-66 and the OSX machines would no long mount
the NFS shares (see message below from /var/log/messages.log on the
Mac):

Oct 24 14:34:35 beethoven automountd[655]: NFS server serv2_local not
responding

Please see the list of modules loaded:
Oct 24 14:26:36 serv2 kernel: [   36.402674] Modules linked in: quota_v2 quota_tree nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt rc_dvbsky(OX) xt_tcpudp xt_recent iptable_filter ip_tables x_tables snd_hda_codec_realtek dvbsky_m88rs6000(OX) snd_hda_intel snd_hda_codec kvm_amd snd_hwdep smipcie(OX) dvb_core(OX) kvm snd_pcm rc_core(OX) snd_page_alloc snd_timer snd soundcore serio_raw i2c_piix4 edac_core edac_mce_amd k10temp shpchp mac_hid parport_pc ppdev lp parport pata_acpi hid_generic usbhid radeon hid i2c_algo_bit ttm drm_kms_helper pata_atiixp ahci libahci atl1c drm wmi


My other linux clients were able to mount the NFS share without
difficulty. I have rolled the server back to the previous kernel
(3.13.0-65-generic) and NFS works fine with the Macs. (Note that the
problem exists with both my Macs, running OSX 10.10.5 and 10.11.1)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "apport.linux-image-3.13.0-66-generic.7gvtrr1p.apport"
   https://bugs.launchpad.net/bugs/1509666/+attachment/4504075/+files/apport.linux-image-3.13.0-66-generic.7gvtrr1p.apport

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https://bugs.launchpad.net/bugs/1509666

Title:
  I cannot mount nfs shares from osx when using the new kernel

Status in linux package in Ubuntu:
  New

Bug description:
  I am running ubuntu server 64 bit 14.04 on my home server.
  The server shares some directories using NFS v4

  I have some apple macs (MBAs) that use the automount to mount the shared nfs directory. Previously, this had worked fine.
  My file /etc/auto_nfs contains the single line:
  /../Volumes/share	-fstype=nfs,noresvport	nfs://serv2_local:/export/share


  I updated to kernel 3.13.0-66 and the OSX machines would no long mount
  the NFS shares (see message below from /var/log/messages.log on the
  Mac):

  Oct 24 14:34:35 beethoven automountd[655]: NFS server serv2_local not
  responding

  Please see the list of modules loaded:
  Oct 24 14:26:36 serv2 kernel: [   36.402674] Modules linked in: quota_v2 quota_tree nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt rc_dvbsky(OX) xt_tcpudp xt_recent iptable_filter ip_tables x_tables snd_hda_codec_realtek dvbsky_m88rs6000(OX) snd_hda_intel snd_hda_codec kvm_amd snd_hwdep smipcie(OX) dvb_core(OX) kvm snd_pcm rc_core(OX) snd_page_alloc snd_timer snd soundcore serio_raw i2c_piix4 edac_core edac_mce_amd k10temp shpchp mac_hid parport_pc ppdev lp parport pata_acpi hid_generic usbhid radeon hid i2c_algo_bit ttm drm_kms_helper pata_atiixp ahci libahci atl1c drm wmi


  My other linux clients were able to mount the NFS share without
  difficulty. I have rolled the server back to the previous kernel
  (3.13.0-65-generic) and NFS works fine with the Macs. (Note that the
  problem exists with both my Macs, running OSX 10.10.5 and 10.11.1)

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