cifs mount error F38

[Ranjan Maitra]

I recently upgraded two of my Fedora machines, but when I try to mount a Windows share using mount-cifs, I get the following:

mount error(126): Required key not available

The mount.cifs command that is used has the following  sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0

Mounting this same share still works from my F37 machines. Presumably something has changed with F38, and so I am wondering how to mount these shares.

Many thanks, and best wishes,
Ranjan

[Barry]

> On 21 Apr 2023, at 19:34, Ranjan Maitra  wrote:
>
> I recently upgraded two of my Fedora machines, but when I try to mount a Windows share using mount-cifs, I get the following:
>
> mount error(126): Required key not available
>
> The mount.cifs command that is used has the following  sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0
>
> Mounting this same share still works from my F37 machines. Presumably something has changed with F38, and so I am wondering how to mount these shares.

What OS and software is serving the shares?
Can you use smbclient to access the share?

Barry
> Many thanks, and best wishes,
> Ranjan
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[Ranjan Maitra]

Barry,

Thanks!

On Fri Apr21'23 10:35:32PM, Barry wrote:
> From: Barry 
> Date: Fri, 21 Apr 2023 22:35:32 +0100
> To: Community support for Fedora users 
> Reply-To: Community support for Fedora users 
> Subject: Re: cifs mount error F38
> > On 21 Apr 2023, at 19:34, Ranjan Maitra  wrote:
> >
> > I recently upgraded two of my Fedora machines, but when I try to mount a Windows share using mount-cifs, I get the following:
> >
> > mount error(126): Required key not available
> >
> > The mount.cifs command that is used has the following  sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0
> >
> > Mounting this same share still works from my F37 machines. Presumably something has changed with F38, and so I am wondering how to mount these shares.
>
> What OS and software is serving the shares?

The share is a Windows share. I do not know how to answer the software question, sorry.
> Can you use smbclient to access the share?

I do not know about this. the above sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0 are needed in mount.cifs for things to work, with mount.cifs.

How would I try using smbclient with something that matches the above invocations?

Sorry, I am not very familiar with this.

Thanks again for your help!

Best wishes,
Ranjan

[Barry]

> On 21 Apr 2023, at 23:33, Ranjan Maitra  wrote:
>
> Barry,
>
> Thanks!
> > On Fri Apr21'23 10:35:32PM, Barry wrote:
> > From: Barry 
> > Date: Fri, 21 Apr 2023 22:35:32 +0100
> > To: Community support for Fedora users 
> > Reply-To: Community support for Fedora users 
> > Subject: Re: cifs mount error F38
> > > > On 21 Apr 2023, at 19:34, Ranjan Maitra  wrote:
> > >
> > > I recently upgraded two of my Fedora machines, but when I try to mount a Windows share using mount-cifs, I get the following:
> > >
> > > mount error(126): Required key not available
> > >
> > > The mount.cifs command that is used has the following  sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0
> > >
> > > Mounting this same share still works from my F37 machines. Presumably something has changed with F38, and so I am wondering how to mount these shares.
> >
> > What OS and software is serving the shares?
>
> The share is a Windows share. I do not know how to answer the software question, sorry.

What is the version of windows?
> > Can you use smbclient to access the share?
>
> I do not know about this. the above sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0 are needed in mount.cifs for things to work, with mount.cifs.
>
> How would I try using smbclient with something that matches the above invocations?
>
> Sorry, I am not very familiar with this.

Try the man page for smbclient, let us know if you can get it working.
> Thanks again for your help!
>
> Best wishes,
> Ranjan
> _______________________________________________
> users mailing list -- [e-mail]
> To unsubscribe send an email to [e-mail]
> Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives: https://lists.fedoraproject.org/archives/list/[e-mail]
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cifs mount error F38 (possible selinux issue).

[Ranjan Maitra]

Barry,

Thanks for this! To answer some of your questions, I do not know what the version of Windows is. It is something that is fairly recent, but has not been changed for years.

After looking at dmesg (as recommended by the error message), and /var/log/messages, I tried to change selinux to permissive on the F38 box, and then I was able to mount the share. However, the F37 box mounts the share fine, with selinux set at enforcing. So, should a separate context need to be created for F38? If so, what, where?

Also, the mount-cifs package version is exactly the same on both F37 and F38 (both up to date). So, I do not know if mount-cifs is the issue, hence I do not know if it is worthwhile trying smbclient for this purpose.

Many thanks again, and best wishes,
Ranjan

On Sat Apr22'23 08:51:20AM, Barry wrote:
> From: Barry 
> Date: Sat, 22 Apr 2023 08:51:20 +0100
> To: Community support for Fedora users 
> Reply-To: Community support for Fedora users 
> Subject: Re: cifs mount error F38
> > On 21 Apr 2023, at 23:33, Ranjan Maitra  wrote:
> >
> > Barry,
> >
> > Thanks!
> > > On Fri Apr21'23 10:35:32PM, Barry wrote:
> > > From: Barry 
> > > Date: Fri, 21 Apr 2023 22:35:32 +0100
> > > To: Community support for Fedora users 
> > > Reply-To: Community support for Fedora users 
> > > Subject: Re: cifs mount error F38
> > > > > On 21 Apr 2023, at 19:34, Ranjan Maitra  wrote:
> > > >
> > > > I recently upgraded two of my Fedora machines, but when I try to mount a Windows share using mount-cifs, I get the following:
> > > >
> > > > mount error(126): Required key not available
> > > >
> > > > The mount.cifs command that is used has the following  sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0
> > > >
> > > > Mounting this same share still works from my F37 machines. Presumably something has changed with F38, and so I am wondering how to mount these shares.
> > >
> > > What OS and software is serving the shares?
> >
> > The share is a Windows share. I do not know how to answer the software question, sorry.
>
> What is the version of windows?
> > > Can you use smbclient to access the share?
> >
> > I do not know about this. the above sec=ntlmssp,rw,nounix,noserverino,file_mode=0777,dir_mode=0777,vers=3.0 are needed in mount.cifs for things to work, with mount.cifs.
> >
> > How would I try using smbclient with something that matches the above invocations?
> >
> > Sorry, I am not very familiar with this.
>
> Try the man page for smbclient, let us know if you can get it working.
> > Thanks again for your help!
> >
> > Best wishes,
> > Ranjan
> > _______________________________________________
> > users mailing list -- [e-mail]
> > To unsubscribe send an email to [e-mail]
> > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> > List Archives: https://lists.fedoraproject.org/archives/list/[e-mail]
> > Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
>
> users mailing list -- [e-mail]
> To unsubscribe send an email to [e-mail]
> Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives: https://lists.fedoraproject.org/archives/list/[e-mail]
> Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue

cifs mount error F38 (possible selinux issue).

[Peter Boy]

> Am 22.04.2023 um 15:40 schrieb Ranjan Maitra :
>
> I tried to change selinux to permissive on the F38 box, and then I was able to mount the share. However, the F37 box mounts the share fine, with selinux set at enforcing. So, should a separate context need to be created for F38? If so, what, where?

As I understand, you have a Windows box that provides some shares. And you have a Fedora box, I assume one of the desktop variants, where you want to mount that share.

And indeed, if it works with SELinux permissive it is clearly a SELinux issue and has nothing to do with the Windows version or smbclient.

Have a look at

https://docs.fedoraproject.org/en-US/quick-docs/troubleshooting_selinux/

to further analyse the blockage.

Good luck

--
Peter Boy
https://fedoraproject.org/wiki/User:Pboy
[e-mail]

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