Hell list, Sorry for probably breaking the thread. This is really in reply to Paul Aubrich's patch titled "smb3: fix large reads on encrypted connections". I updated a box to kernel 4.19.13 (from 4.9) and figured that I could do transport encryption now. Unfortunately that didn't work against samba 4.8.6 from distro. I updated to 4.8.8 (latest from 4.8) but still no dice. When simply trying to open a file on a share for reading vi would just sit there and nothing happened. Some files vi _could_ open, though. I had the source of samba 4.8.6 on a share and it contains a few small files in the root folder. -rw-r----- 1 sk sk 17K 17. Jan 2018 wscript -rw-r----- 1 sk sk 4,7K 17. Jan 2018 wscript_build -rw-r----- 1 sk sk 13K 26. Jun 2018 wscript_configure_system_mitkrb5 I could open wscript_build and wscript_configure_system_mitkrb5. But the 17K file wscript always failed. So the cutoff between OK and too-big seemed to be between 13K and 17K. I browsed linux-cifs and found Paul's patch. With the patch applied the problem is gone, kernel 4.19 works like 4.9 did without encryption. The patch title suggests that only large reads are not working. Well, considering the cutoff is between 13K and 17K I'd say that encryption on 4.19 for cifs can be considered broken without this patch. It'd be cool if this could make it to stable kernels pronto. Kind regards, Seb