On boot my nas mounts are timing out, but when I manually run sudo mount -a after login they all mount just fine. The problem occurs with and without vers=3.0.

$ dmesg

[ 5.521690] FS-Cache: Loaded [ 5.530037] FS-Cache: Netfs 'cifs' registered for caching [ 5.532069] Key type cifs.spnego registered [ 5.532071] Key type cifs.idmap registered [ 5.532305] CIFS: Attempting to mount //192.168.1.3/Documents [ 5.532307] CIFS: Attempting to mount //192.168.1.3/Projects [ 5.535674] CIFS: Attempting to mount //192.168.1.3/Media [ 9.467263] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx [ 13.671407] CIFS VFS: Error connecting to socket. Aborting operation. [ 13.671412] CIFS VFS: Error connecting to socket. Aborting operation. [ 13.671415] CIFS VFS: Error connecting to socket. Aborting operation. [ 13.671431] CIFS VFS: cifs_mount failed w/return code = -2 [ 13.673594] CIFS VFS: cifs_mount failed w/return code = -2 [ 13.675588] CIFS VFS: cifs_mount failed w/return code = -2 [ 23.155328] snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD data byte 2 [ 23.227324] snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD data byte 2 [ 57.613993] CIFS: Attempting to mount //192.168.1.3/Projects [ 57.906356] CIFS: Attempting to mount //192.168.1.3/Media [ 57.941905] CIFS: Attempting to mount //192.168.1.3/Documents

$ cat /etc/fstab

//192.168.1.3/Projects /home/ehammer/.Projects/ cifs credentials=/home/ehammer/.smbcredentials,vers=3.0,iocharset=utf8,uid=1000,gid=1000 0 0 //192.168.1.3/Media /home/ehammer/.Media/ cifs credentials=/home/ehammer/.smbcredentials,vers=3.0,iocharset=utf8,uid=1000,gid=1000 0 0 //192.168.1.3/Documents /home/ehammer/.Doc-Share/ cifs credentials=/home/ehammer/.smbcredentials,vers=3.0,iocharset=utf8,uid=1000,gid=1000 0 0
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1 Answer

I had the same problem today and the workaround I found was creating a script in /etc/network/if-up.d/ containing:

#!/bin/sh mount -a

I did a chmod +x on it, not sure if it was really necessary, but everything worked perfectly. I have found this answer in a brazilian forum post from 2018.

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