In my reproduction environment i am testing against synology smb server too.
now when i boot the test kernel: $ uname -rv 6.5.0-27-generic #28~22.04.1+TEST2060919v20240419b1-Ubuntu SMP PREEMPT_DYNAMIC Fr sudo mount -t cifs -o username=jan,uid=1001,gid=1001 //192.168.8.3/home testhome/ nautilus testhome everything works in nautilus and with cp :-) Thank you very much Matthew Ruffell (mruffell) When i run current kernel only nautilus File-Manager copy funktion is affected here ! I mean i can use cp in terminal without getting a stracktrace in kernel linux-image-6.5.0-28-generic when i do this: $ uname -rv 6.5.0-28-generic #29~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 14:39:20 UTC 2 $ sudo mount -t cifs -o username=ubuntu,$(id -u),gid=$(id -g) //192.168.8.3/home testhome/ nautilus testhome copy any file in testhome to testhome i get attached stacktrace ** Attachment added: "6.5.0-28-generic_stacktrace" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060919/+attachment/5768110/+files/stacktrace.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2060919 Title: Remote filesystems mounted as CIFS not working after update to Kernel "6.5.0-27-generic #28-Ubuntu" (amd64) or Kernel "6.5.0-1014-raspi #17-Ubuntu" (aarch64). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060919/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs