FW: Sporadic permission denied error in Samba 4.3 and 4.4, 4.2 OK

Mon Nov 14 21:51:00 UTC 2016

On Mon, Nov 14, 2016 at 09:42:53PM +0000, Youzhong Yang wrote:
> Yes, it's illumos/SmartOS system running Samba. It's possible
> there's some kind of bug either in kernel or in user-land
> programming. If you guys can point out a few critical points to put
> debug statements, I would be more than happy to debug the issue
> here.

In 4.4, the lowlevel messaging happens in
source3/lib/unix_msg/unix.msg.c. Not 100% sure what exactly to debug
here. Maybe message counts? Maybe log some checksum and see if the
messages arrive correctly?

Volker