Re: cifs.upcall requests ticket for wrong host when using dfs

[Paulo Alcantara <pc@cjr.nz>]

Martijn de Gouw <martijn.de.gouw@prodrive-technologies.com> writes:

> I tried kernel 5.4.6, including this fix, but still no luck:
> [   25.825075] CIFS: Attempting to mount //domain.com/common
> [   27.127925] CIFS VFS:  BAD_NETWORK_NAME: \\domain.com\common
> [   31.406697] CIFS: Attempting to mount //DC01.domain.com/common/Pd_Std
> [   31.414527] srv rsp padded more than expected. Length 98 not 73 for cmd:1 mid:1
> [   31.414533] Status code returned 0xc000006d STATUS_LOGON_FAILURE
> [   31.414537] CIFS VFS: \\DC01.domain.com Send error in SessSetup = -13
> [   31.414544] CIFS VFS: cifs_mount failed w/return code = -13
> [   31.414590] CIFS: Attempting to mount //DC01.domain.com/common/Pd_Std
> [   31.422410] Status code returned 0xc000006d STATUS_LOGON_FAILURE
> [   31.422416] CIFS VFS: \\DC01.domain.com Send error in SessSetup = -13
> [   31.422423] CIFS VFS: cifs_mount failed w/return code = -13
>
> Where 4.19 prints:
> [  132.012498] CIFS: Attempting to mount //domain.com/common
> [  132.183038] CIFS VFS: error -2 on ioctl to get interface list
> [  132.344343] CIFS: Attempting to mount //nas01/common$/pd_std

Thanks for testing it.

Could you post dmesg output of both versions with debugging enabled as per
instructions in [1]?

Thanks,
Paulo

[1] https://wiki.samba.org/index.php/LinuxCIFS_troubleshooting