Hello,

We are using Opensolaris on a X4540:
        SunOS vdcnas001 5.11 snv_96 i86pc i386 i86pc

CIFS/idmap has been unstable since we implemented it. After a few
requests, we start seeing the following error in the logs:

Sep 27 10:33:08 vdcnas001 sockfs: [ID 446122 kern.warning] WARNING:
sockfs: received unexpected additional T_DISCON_IND
Sep 27 10:39:54 vdcnas001 last message repeated 2 times
Sep 27 12:41:01 vdcnas001 smbd[3918]: [ID 118120 daemon.error]
smb_token_create: idmap failed
Sep 27 12:43:56 vdcnas001 last message repeated 3 times
Sep 27 14:18:25 vdcnas001 smbd[3918]: [ID 118120 daemon.error]
smb_token_create: idmap failed
Sep 27 16:02:55 vdcnas001 smbd[3918]: [ID 118120 daemon.error]
smb_token_create: idmap failed


At that point, clients cannot login anymore using any AD account. The
only way to fix this is to restart the idmap and smb services.

Turning debugging on on idmap does not provide more information.

Any idea on how to troubleshoot this?

Thanks,

Jean-Noel


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