Julian Sikorski <belegdol@xxxxxxxxx> writes: > Not much is there: > > Jun 30 18:19:34 snowball3 kernel: CIFS: Attempting to mount > \\odroidxu4.local\julian > > Jun 30 18:19:34 snowball3 kernel: CIFS: VFS: cifs_mount failed w/return > code = -22 > > > I tried reverting 16d5d91 as it was the only commit referencing smb, but > it did not help unfortunately. Could you please run echo 'module cifs +p' > /sys/kernel/debug/dynamic_debug/control echo 'file fs/cifs/* +p' > /sys/kernel/debug/dynamic_debug/control echo 1 > /proc/fs/cifs/cifsFYI echo 1 > /sys/module/dns_resolver/parameters/debug dmesg --clear tcpdump -s 0 -w trace.pcap port 445 & pid=$! mount ... kill $pid dmesg > trace.log and then send trace.log and trace.pcap. What SMB server and version?