Am 30.06.22 um 19:55 schrieb Paulo Alcantara:
> Julian Sikorski <belegdol@gmail.com> 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.

Attached.

> 
> What SMB server and version?

Openmediavault 6.0.30 running on top of armbian bullseye. The samba 
package version is 4.13.13+dfsg-1~deb11u3.

Best regards,
Julian