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[Launchpad Bug Tracker <1185025@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1185025

Title:
  Ubuntu 13.04 unable to mount Nexenta CIFS shares

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  After upgrading to Ubuntu 13.04 I have experienced some compatibility
  issues when mounting CIFS shares on the Ubuntu 13.04 workstation. The
  following systems were tested:

   * Windows 2003 server CIFS shares: Success
   * EMC VNX CIFS shares: Success
   * Ubuntu 10.04.2 CIFS shares: Success
   * Nexenta CIFS shares: Failed

  All the same shares continue to work from Ubuntu 12.10 systems. So in
  Ubuntu 13.04, there has arisen a CIFS compatibility issue between
  Ubuntu and Nexenta. I have also been in touch with our Nexenta
  supplier, and they have set up a new machine with Nexenta OS with a
  CIFS share, and a new install of Ubuntu 13.04, and they reproduced the
  same error. My environment uses AD authentication, but the issue was
  reproduced without AD authentication, so that's not it.

  Here's the syslog excerpt from the failed mount, /proc/fs/cifs/cifsFYI
  was set to 1 (removed date and hostname for brevity):

  kernel: [  420.482254] /build/buildd/linux-3.8.0/fs/cifs/cifsfs.c: Devname: //10.0.0.27/share1 flags: 0 
  kernel: [  420.482266] /build/buildd/linux-3.8.0/fs/cifs/connect.c: iocharset set to utf8
  kernel: [  420.482274] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Domain name set
  kernel: [  420.482277] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Username: ketil
  kernel: [  420.482280] /build/buildd/linux-3.8.0/fs/cifs/connect.c: file mode: 0x1ed  dir mode: 0x1ed
  kernel: [  420.483011] /build/buildd/linux-3.8.0/fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 2 with uid: 0
  kernel: [  420.483013] /build/buildd/linux-3.8.0/fs/cifs/connect.c: UNC: \\10.0.0.27\share1
  kernel: [  420.483023] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Socket created
  kernel: [  420.483024] /build/buildd/linux-3.8.0/fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6
  kernel: [  420.484263] /build/buildd/linux-3.8.0/fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xffff8800b87bcc00/0xffff8800c6427050)
  kernel: [  420.484266] /build/buildd/linux-3.8.0/fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 3 with uid: 0
  kernel: [  420.484267] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Existing smb sess not found
  kernel: [  420.484272] /build/buildd/linux-3.8.0/fs/cifs/cifssmb.c: secFlags 0x81
  kernel: [  420.484273] /build/buildd/linux-3.8.0/fs/cifs/cifssmb.c: NTLMSSP only mechanism, enable extended security
  kernel: [  420.484275] /build/buildd/linux-3.8.0/fs/cifs/transport.c: For smb_command 114
  kernel: [  420.484276] /build/buildd/linux-3.8.0/fs/cifs/transport.c: Sending smb: smb_len=78
  kernel: [  420.484495] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Demultiplex PID: 3282
  kernel: [  420.491908] /build/buildd/linux-3.8.0/fs/cifs/connect.c: RFC1002 header 0x5b
  kernel: [  420.491919] /build/buildd/linux-3.8.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=114 mid=1 state=4
  kernel: [  420.491922] /build/buildd/linux-3.8.0/fs/cifs/cifssmb.c: Dialect: 2
  kernel: [  420.491924] /build/buildd/linux-3.8.0/fs/cifs/cifssmb.c: negprot rc 0
  kernel: [  420.491926] /build/buildd/linux-3.8.0/fs/cifs/connect.c: Security Mode: 0x3 Capabilities: 0xf3fc TimeAdjust: -7200
  kernel: [  420.491927] /build/buildd/linux-3.8.0/fs/cifs/sess.c: sess setup type 3
  kernel: [  420.491929] /build/buildd/linux-3.8.0/fs/cifs/sess.c: ntlmssp session setup phase 1
  kernel: [  420.491931] /build/buildd/linux-3.8.0/fs/cifs/transport.c: For smb_command 115
  kernel: [  420.491932] /build/buildd/linux-3.8.0/fs/cifs/transport.c: Sending smb: smb_len=206
  kernel: [  420.494445] /build/buildd/linux-3.8.0/fs/cifs/connect.c: RFC1002 header 0x23
  kernel: [  420.494453] /build/buildd/linux-3.8.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=115 mid=2 state=4
  kernel: [  420.494455] /build/buildd/linux-3.8.0/fs/cifs/netmisc.c: Mapping smb error code 0x10002 to POSIX err -5
  kernel: [  420.494456] /build/buildd/linux-3.8.0/fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release
  kernel: [  420.494457] /build/buildd/linux-3.8.0/fs/cifs/sess.c: ssetup freeing small buf ffff8800c6421540
  kernel: [  420.494458] CIFS VFS: Send error in SessSetup = -5
  kernel: [  420.494461] /build/buildd/linux-3.8.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 3) rc = -5
  kernel: [  420.494466] /build/buildd/linux-3.8.0/fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xffff8800b87bcc00/0xffff8800c6427050)
  kernel: [  420.494523] /build/buildd/linux-3.8.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 2) rc = -5
  kernel: [  420.494524] CIFS VFS: cifs_mount failed w/return code = -5

  To summarize, a change that occurred between Ubuntu 12.10 and Ubuntu
  13.04 is causing compatibility issues with the Nexenta CIFS shares. I
  can't say from the information I have whether it's Ubuntu or Nexenta
  that is not compliant, but if it is Ubuntu, this may be affecting
  other systems as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: cifs-utils 2:5.5-1ubuntu2
  ProcVersionSignature: Ubuntu 3.8.0-21.32-generic 3.8.8
  Uname: Linux 3.8.0-21-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Tue May 28 15:04:35 2013
  InstallationDate: Installed on 2013-05-08 (19 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  SourcePackage: cifs-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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