[Samba] macintosh disconnect problem

[Rowland penny]

On 23/12/2019 18:06, Chad W Seys via samba wrote:
> Hi all,
>     We're having trouble with Macintosh clients (at least) being
> disconnected from Samba.  Below is one macintosh console output when
> this happens, filtered by "smb".  (Yeah, maybe some clues are missing...)
>     ATM I don't see anything that stands out in the Samba log file.
> However one thing I don't see in the samba log file is session disconnects.
>     Does anyone know how to log disconnects?  I've found one such way on
> stackexchange involving 'postexec'
> https://unix.stackexchange.com/a/478881/275843, but I thought maybe
> there was a log subsection and level which would also work.  (I don't
> want to set log 10 b/c that would generate so much log file it would
> either fill the drive or get rotated out.)
>
> Thanks!
> Chad.
>
> apt-cache policy samba
> samba:
>     Installed: 2:4.9.5+dfsg-5+deb10u1
>
> macintosh client console filtered with word "smb":
>
> 12/18/19 8:14:42.000 AM kernel[0]: smbfs_down: Remounting
> smb.physics.wisc.edu/SMB
> 12/18/19 8:14:42.000 AM kernel[0]: smb2_smb_parse_change_notify:
> smb_rq_reply failed 60
> 12/18/19 8:14:42.000 AM kernel[0]: smb2_smb_parse_change_notify:
> smb_rq_reply failed 60
> 12/18/19 8:14:42.000 AM kernel[0]: smb2_smb_parse_change_notify:
> smb_rq_reply failed 60
> 12/18/19 8:14:42.000 AM kernel[0]: smb2_smb_parse_change_notify:
> smb_rq_reply failed 60
> 12/18/19 8:14:42.000 AM kernel[0]: smb2_smb_parse_change_notify:
> smb_rq_reply failed 60
> 12/18/19 8:14:42.775 AM smbremountserver[23160]:
> isReferralPathNotCovered Dfs Check path on /smb.physics.wisc.edu/smb
> return ntstatus = 0xc000000d, syserr = Invalid argument
> 12/18/19 8:15:39.000 AM kernel[0]: smb2_rq_sign: No session key for signing.
> 12/18/19 8:15:40.000 AM kernel[0]: smbfs_vnop_strategy: READ on
> 4867_rylander_timesheet_2016.xlsx failed with an error of 57
> 12/18/19 8:15:40.000 AM kernel[0]: smbfs_lookup: Server failed Query Info 57
> 12/18/19 8:15:40.403 AM KernelEventAgent[101]: tid 54485244 type
> 'smbfs', mounted on '/Volumes/smb', from
> '//lefkow at smb.physics.wisc.edu/smb', dead
> 12/18/19 8:15:40.403 AM KernelEventAgent[101]: tid 54485244 force
> unmount //lefkow at smb.physics.wisc.edu/smb from /Volumes/smb
> 12/18/19 8:15:40.455 AM deleted[2105]: volumeFreespace:548 statfs failed
> for /Volumes/smb : No such file or directory
> 12/18/19 8:15:40.456 AM deleted[2105]: normalizeUserMountpoint:791
> volRoot failed for /Volumes/smb
> 12/18/19 8:15:40.456 AM deleted[2105]: _validateVolume:813 unable to
> normalize volume: "/Volumes/smb", vol: (null)
> 12/18/19 8:15:40.458 AM deleted[2105]: volumeFreespace:548 statfs failed
> for /Volumes/smb : No such file or directory
> 12/18/19 8:15:40.458 AM deleted[2105]: normalizeUserMountpoint:791
> volRoot failed for /Volumes/smb
> 12/18/19 8:15:40.458 AM deleted[2105]: _validateVolume:813 unable to
> normalize volume: "/Volumes/smb", vol: (null)
> 12/18/19 8:15:40.471 AM deleted[2105]: volumeFreespace:548 statfs failed
> for /Volumes/smb : No such file or directory
> 12/18/19 8:15:40.471 AM deleted[2105]: normalizeUserMountpoint:791
> volRoot failed for /Volumes/smb
> 12/18/19 8:15:40.471 AM deleted[2105]: _validateVolume:813 unable to
> normalize volume: "/Volumes/smb", vol: (null)
> 12/18/19 8:15:40.547 AM TMCacheDelete[2183]: Couldn't get resource value
> 'NSURLVolumeIsLocalKey' for 'file:///Volumes/smb/': Error
> Domain=NSCocoaErrorDomain Code=4 "The file “smb” doesn’t exist."
> UserInfo={NSURL=file:///Volumes/smb/, NSFilePath=/Volumes/smb}
> 12/18/19 8:15:40.548 AM deleted[2105]: volumeFreespace:548 statfs failed
> for /Volumes/smb : No such file or directory
> 12/18/19 8:15:40.548 AM deleted[2105]: normalizeUserMountpoint:791
> volRoot failed for /Volumes/smb
> 12/18/19 8:15:40.548 AM deleted[2105]: _validateVolume:813 unable to
> normalize volume: "/Volumes/smb", vol: (null)
> 12/18/19 8:15:40.568 AM deleted[2105]: normalizeUserMountpoint:791
> volRoot failed for /Volumes/smb
> 12/18/19 8:15:40.568 AM deleted[2105]: _validateVolume:813 unable to
> normalize volume: "/Volumes/smb", vol: (null)
> 12/18/19 8:15:40.568 AM deleted[2105]: -[CacheDeleteOperation
> initWithInfo:services:]:33 Unable to validate volume: /Volumes/smb
>
> 12/18/19 8:15:40.547 AM TMCacheDelete[2183]: Couldn't get resource value
> 'NSURLVolumeIsLocalKey' for 'file:///Volumes/smb/': Error
> Domain=NSCocoaErrorDomain Code=4 "The file “smb” doesn’t exist."
> UserInfo={NSURL=file:///Volumes/smb/, NSFilePath=/Volumes/smb}
>
>     I'm having trouble with Macintosh clients being disconnected
> https://unix.stackexchange.com/a/478881/275843

It looks like it cannot find/see the share, how are you running Samba ?

Can you please post your smb.conf.

Rowland