Hello,
to get more information about the issue, I tried to increase the
logging. But I did not get more data. I can only see a succesful close
of a file before the error and a connection close afterwards.
--8<-----
[2025/05/14 16:27:15.578541,  2]
../../source3/smbd/close.c:830(close_normal_file)
  REDACTED closed file REDACTED.pdf (numopen=29) NT_STATUS_OK
[2025/05/14 16:27:16.437235,  0]
../../source3/smbd/smb2_server.c:1190(smbXsrv_connection_get_rto_usecs)
  smbXsrv_connection_get_rto_usecs: getsockopt(TCP_INFO) errno[9/Bad file
descriptor] -s NT_STATUS_INVALID_HANDLE
[2025/05/14 16:27:16.437330,  1]
../../source3/smbd/smb2_server.c:1736(smbd_server_disconnect_client_ex)
  smbd_server_disconnect_client_ex: client[ipv4:REDACTED:49289] num_ok[1]
reason[NT_STATUS_INVALID_HANDLE] at ../../source3/smbd/smb2_break.c:491
[2025/05/14 16:27:16.439607,  2]
../../source3/smbd/smb2_service.c:933(close_cnum)
  mac (ipv4:REDACTED:49289) closed connection to service REDACTED
--8<-----
How can I find the cause of this issue?
Thank you for any advice.
Best regards,
Moritz
Am Freitag den 25. April 2025 schrieb Moritz Kobel via samba:
> Hello,
> 
> our Mac OS X clients have random disconnects from the server.
> 
> The only thing I can see in log.smbd is:
> 
> --8<-------
> [2025/04/24 12:01:55.159699,  0]
> ../../source3/smbd/smb2_server.c:1190(smbXsrv_connection_get_rto_usecs)
>   smbXsrv_connection_get_rto_usecs: getsockopt(TCP_INFO) errno[9/Bad
>   file descriptor] -s NT_STATUS_INVALID_HANDLE
> --8<-------
> 
> Version: 4.17.12+dfsg-0+deb12u1
> Running on Debian 12.10, virtualized using Incus (LXC), with Kernel
6.1.0-29-amd64
> 
> Samba is configured with user-level security. fruit:aapl is enabled.
> 
> 
> We have up to 20 users and expirience 0 - 8 disconnects (in total) a
> day.
> 
> 
> How can I find the cause of this issue?
> 
> Tank you for any advice.
> 
> Best regards,
> 
> Moritz
> 
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