[Bug 1504771] [NEW] First attempt to mount cifs always fails with "mount error(5): Input/output error" while second always succeeds

[Karl-Philipp Richter]

Public bug reported:

The first attempt to mount cifs always fails with

    mount error(5): Input/output error
    Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

while second (by entering the exact same command) always succeeds.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: cifs-utils 2:6.0-1ubuntu2
Uname: Linux 4.2.2-040202-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Oct 10 14:58:23 2015
InstallationDate: Installed on 2015-09-14 (25 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: cifs-utils
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: cifs-utils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

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Title:
  First attempt to mount cifs always fails with "mount error(5):
  Input/output error" while second always succeeds

Status in cifs-utils package in Ubuntu:
  New

Bug description:
  The first attempt to mount cifs always fails with

      mount error(5): Input/output error
      Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

  while second (by entering the exact same command) always succeeds.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: cifs-utils 2:6.0-1ubuntu2
  Uname: Linux 4.2.2-040202-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Oct 10 14:58:23 2015
  InstallationDate: Installed on 2015-09-14 (25 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: cifs-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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