Re: Stall during read() on CIFS with 4.19

From: Yves-Alexis Perez
Date: Tue Jan 01 2019 - 14:30:54 EST

On Tue, 2019-01-01 at 13:33 +0100, Yves-Alexis Perez wrote:
> Hi,
> with the upgrade to 4.19 in Debian sid, I experienced a regression with CIFS
> filesystems.
> The server is running Debian stretch with samba, the clients are running
> Debian sid or stretch. With 4.18 kernels everything is fine, but with 4.19
> while the mount succeeds, any read() syscall on a file open()ed from a share
> just stalls.

Hi all,

I'm doing a common reply following quick replies from Steve and Paul

The bug is apparently fixed by and also by mounting
with a rsize reduced to 16384.