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Old 11-29-2016, 02:14 AM   #1
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Mounting cifs share on Linux RT device

I have a problem with mounting a Windows share on a Linux system and hope that I can find some help here. I am new to Linux and tried several things. I am working with a device from National Instruments that runs Linux. The device has on-board WiFi and i already managed to connect it to an enterprise network using wpa_supplicant. So this part should be fine.

Now I want to mount a network share. First of all I have to say that I got it to work on a Raspberry Pi with Raspbian Jessy with the following command:

sudo mount -t cifs -o username=xxx // /mountpoint

Now I try the exact same thing on the National Instruments device. I installed cifs-utils via opkg. I received the message: unsatisfied recommendation for kernel-module-cifs. Not sure if I have to worry about that.

After I entered the mount command I get asked for my password and after that I get mount error(6): No such device or address. When I enter the wrong password I get an mount error(13): Permission denied. So the authentication should be OK in my opinion.

The Raspberry has cifs V6.4 installed, and the NI device 5.9, could this be an issue ? I have a third device (Cubietruck) that has cifs V6.0 and the mounting also works fine there.

I also found that there is a setting SecurityFlags in /proc/fs/cifs, which could be a problem, but on the Raspberry and the NI device they are both 0x85.

lsmod of the raspberry shows me that there is a cifs module loaded. This is not the case on the NI device. I tried modprobe cifs and got no error. But lsmod still doesn't show the module.

I will provide any additional information you ask for and will be thankful for any advice.
Old 11-29-2016, 07:36 PM   #2
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For some reason the NI device won't load the cifs module. Can you try
$ locate cifs.ko
and check if it's available? Otherwise maybe check if cifs-utils is installed.

Last edited by AwesomeMachine; 11-29-2016 at 07:39 PM.
Old 11-29-2016, 07:51 PM   #3
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zgrep CIFS /proc/config.gz
(if config.gz is available)

If it does not turn up positive, you might need to install a newer kernel with cifs on it.
Old 12-02-2016, 01:04 PM   #4
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Are you sure it said "recommendation" and not "requirement"? Because if it did then you'd have to install all the packages as well that the cifs module needs before it can work.
Old 12-08-2016, 03:53 AM   #5
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i checked again by reinstalling the cifs-utils package, it said "unsatisfied recommendation".

locate cifs.ko did not get any results. But cifs-utils is installed

I also tried zgrep CIFS /proc/config.gz


# CONFIG_CIFS_STATS is not set
# CONFIG_CIFS_XATTR is not set
# CONFIG_CIFS_DEBUG2 is not set
# CONFIG_CIFS_SMB2 is not set

Any ideas ?


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