SOLVED Got the warning (Core files for the following executables were found)

[CheeryFlame]

Hello,

I was playing with SMB shares and creating/deleting datasets while organizing my NAS. I noticed the error when I was unlocking an encrypted dataset inside an encrypted dataset. It may not be related since it's only "when" I saw the warning.

Thank you for whoever can explain this to me!

Code:

 Warning
Core files for the following executables were found: /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:53:00 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:53:01 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:53:03 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:53:32 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:53:40 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:14 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:23 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:28 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:29 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:31 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:32 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:33 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:35 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:36 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 12:54:37 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 13:03:31 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 13:07:38 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 13:07:55 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 13:08:02 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 13:08:14 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:08:17 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:08:22 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:08:30 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:27:08 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:28 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:32 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:35 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:37 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:38 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:39 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:39 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:42 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:43 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:44 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:44 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:47 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:48 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:48 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:29:49 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:32:33 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:32:38 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:32:45 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:32:59 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:33:14 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:33:41 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:03 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:14 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:15 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:16 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:17 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:18 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:20 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:34:21 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:41:39 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:42:28 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:42:30 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:42:38 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:43:07 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:43:15 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:43:37 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:43:49 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:55:57 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:56:17 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 14:56:19 2023), /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Wed Jan 18 15:17:06 2023). Please create a ticket at https://ixsystems.atlassian.net/ and attach the relevant core files along with a system debug. Once the core files have been archived and attached to the ticket, they may be removed by running the following command in shell: 'rm /var/db/system/cores/*'.

 

[anodos]

This is a samba bug that's being fixed in the next release.

 

[cap]

I have also received this alert.

• Core files for the following executables were found: /usr/lib/x86_64-linux-gnu/samba/rpcd_classic (Thu Jan 19 14:43:52 2023). Please create a ticket at https://ixsystems.atlassian.net/ and attach the relevant core files along with a system debug. Once the core files have been archived and attached to the ticket, they may be removed by running the following command in shell: 'rm /var/db/system/cores/*'

 

[anodos]

I have also received this alert.

This is expected on non-enterprise TrueNAS (alerts about corefiles). It's how we sometimes catch obscure edge cases in applications. In this case it helped us find a bug in the upstream rpc server.

 

[CheeryFlame]

Thank you for the follow up. It seems to happen in conjunction with this bug where entering in a dataset in an SMB share and pressing back returns this permission error even though my permissions are correctly setup. I can click again on TRUENAS under Network and then access all my SMB shares normally. This behaviour only happened to me in Scale whereas in Core it didn't.

 

[anodos]

Thank you for the follow up. It seems to happen in conjunction with this bug where entering in a dataset in an SMB share and pressing back returns this permission error even though my permissions are correctly setup. I can click again on TRUENAS under Network and then access all my SMB shares normally. This behaviour only happened to me in Scale whereas in Core it didn't.

View attachment 62644

As I mentioned this was a bug that we fixed in upstream package. CORE and SCALE (bluefin) use different samba versions.

 

[mistermanko]

I have a variation of this:

Code:

Core files for the following executables were found: /usr/lib/plexmediaserver/Plex Tuner Service (Tue Mar 7 09:08:08 2023). Please create a ticket at https://ixsystems.atlassian.net/ and attach the relevant core files along with a system debug. Once the core files have been archived and attached to the ticket, they may be removed by running the following command in shell: 'rm /var/db/system/cores/*

But the directory doesn't exist:

ls: cannot access '/usr/lib/plexmediaserver': No such file or directory

 

[anodos]

I have a variation of this:

Code:

Core files for the following executables were found: /usr/lib/plexmediaserver/Plex Tuner Service (Tue Mar 7 09:08:08 2023). Please create a ticket at https://ixsystems.atlassian.net/ and attach the relevant core files along with a system debug. Once the core files have been archived and attached to the ticket, they may be removed by running the following command in shell: 'rm /var/db/system/cores/*

But the directory doesn't exist:

ls: cannot access '/usr/lib/plexmediaserver': No such file or directory

Not really a variation. In non-enterprise products we generate alerts any time a corefile is generated. This can happen for quite a lot of reasons.

In this case, it's a jailed application that crashed. These should be generating corefile alerts.

 

[mistermanko]

Hm it checks out, I have systemd-nspawn container running plex inside. Can we "non-enterprise" users turn this off?

 

[anodos]

Hm it checks out, I have systemd-nspawn container running plex inside. Can we "non-enterprise" users turn this off?

Alerts are configurable in the webui.

 

[FrankWard]

As I mentioned this was a bug that we fixed in upstream package. CORE and SCALE (bluefin) use different samba versions.

I just got this error today after creating and deleting a few datasets. How do we generate a system debug? Any advice in March 2024?

Code:

 Warning
Core files for executables have been found in /var/db/system/cores/.Please open the shell, copy any core files present in /var/db/system/cores/ and then generate a system debug. Next, create a ticket at https://ixsystems.atlassian.net/ and attach the core files and debug. After creating the ticket, the core files can be removed from the system by opening shell and entering 'rm /var/db/system/cores/*'.
2024-03-19 18:00:34 (America/New_York)

This is in the /var/db/system/cores folder:

Code:

'core.smbd[192\x2e168\x2e1\x2e.0.7011b436983a4296a6c36fa4c154fe27.539045.1710885602000000.zst'