> It looks like login failures. Are all mount points connecting to a share on the same server? Yes, all mount against the same server. Each user mounts a common share, as well as a personal share. Extract from output of 'mount | grep myserver': //myserver/projstat on /homedirs/myuser1/projstat type cifs (rw,relatime,vers=3.1.1,cache=strict,username=myuser1,domain=MYDOMAIN,uid=589733577,forceuid,gid=1432000513,forcegid,addr=10.0.0.1,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1) //myserver/myuser1 on /homedirs/myuser1/hdrive type cifs (rw,relatime,vers=3.1.1,cache=strict,username=myuser1,domain=MYDOMAIN,uid=589733577,forceuid,gid=1432000513,forcegid,addr=10.0.0.1,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1) //myserver/projstat on /homedirs/myuser2/projstat type cifs (rw,relatime,vers=3.1.1,cache=strict,username=myuser2,domain=MYDOMAIN,uid=409183706,forceuid,gid=1432000513,forcegid,addr=10.0.0.1,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1) //myserver/myuser3 on /homedirs/myuser2/hdrive type cifs (rw,relatime,vers=3.1.1,cache=strict,username=myuser2,domain=MYDOMAIN,uid=409183706,forceuid,gid=1432000513,forcegid,addr=10.0.0.1,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1) (...) > Yes. You could try more recent kernels as well. We'll try that. Thanks. //Sune -----Original Message----- From: Aurélien Aptel <aaptel@xxxxxxxx> Sent: 9. november 2020 18:21 To: SNSY (Sune Stjerneby) <SNSY@xxxxxxxx>; linux-cifs@xxxxxxxxxxxxxxx Subject: Re: Stability problem with 70+ simultaneous CIFS mounts Hi, "SNSY (Sune Stjerneby)" <SNSY@xxxxxxxx> writes: > Nov 2 15:27:31 myclient kernel: cifs_setup_session: 40 callbacks suppressed > Nov 2 15:27:31 myclient kernel: CIFS VFS: \\myserver Send error in SessSetup = -13 > Nov 2 15:27:31 myclient kernel: Status code returned 0xc000006d STATUS_LOGON_FAILURE It looks like login failures. Are all mount points connecting to a share on the same server? > Any suggestions on how to proceed? I suppose the next step for us is to enable additional debug, and collect tcpdump captures. Yes. You could try more recent kernels as well. Cheers, -- Aurélien Aptel / SUSE Labs Samba Team GPG: 1839 CB5F 9F5B FB9B AA97 8C99 03C8 A49B 521B D5D3 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg, DE GF: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 247165 (AG München) This e-mail (including any attachments) is intended for the addressee(s) stated above only and may contain confidential information protected by law. You are hereby notified that any unauthorized reading, disclosure, copying or distribution of this e-mail or use of information contained herein is strictly prohibited and may violate rights to proprietary information. If you are not an intended recipient, please return this e-mail to the sender and delete it immediately hereafter. Thank you.
