[Bug 1090764] Re: CIFS: Unknown mount option "async"

Sergio Durigan Junior 1090764 at bugs.launchpad.net
Fri Jan 8 20:35:23 UTC 2021


Confirmed that the bug still exists with cifs-utils 6.11-1ubuntu1.

** Changed in: cifs-utils (Ubuntu)
       Status: Confirmed => Triaged

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Title:
  CIFS: Unknown mount option "async"

Status in cifs-utils package in Ubuntu:
  Triaged

Bug description:
  Consider the following /etc/fstab entry:

  //10.0.0.1/xor /home/xor/Server cifs
  rw,nosuid,nodev,noexec,noauto,user,async,sec=ntlmv2i,soft,iocharset=utf8,credentials=/home/xor/Passwords/.samba_credentials
  0 0

  Mounting it as root works.
  Trying to mount it as the "xor" user fails with:
  mount error(22): Invalid argument

  "dmesg" shows the reason:

  [82643.575393] CIFS: Unknown mount option "async"

  Notice that I was trying to manually add the mount options behind the symbolic option "defaults", async is one of them. The same bug applies to the "defaults" mount option, and I was trying to do a workaround by manually adding the options behind default. 
  Here is the entry for "defaults": https://bugs.launchpad.net/ubuntu/+source/cifs-utils/+bug/1090760

  Using Kubuntu12.10 amd64.
  cifs-utils package Version: 2:5.5-1ubuntu1

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