NFSv4 stuck

[Michael Sinatra]

On 01/11/17 14:59, Slawa Olhovchenkov wrote:
> On Wed, Jan 11, 2017 at 10:39:42PM +0000, Rick Macklem wrote:
>
>> "umount -f" is your only chance. However, if there is already a non-forced
>> dismount stuck, it won't work because the non-forced dismount will have
>> the mounted-on vnode locked.
>
> I am use 'intr,soft' flags -- why ignored?

intr and soft are considered dangerous with nfsv4.  See the "BUGS" 
section of the mount_nfs(8) man page.

michael