Re: [Nbd] "nbd-client -d" hangs indefinitely

[Paul Clements <paul.clements@...856...>]

On Thu, Feb 3, 2011 at 8:24 AM, Peter Simons <simons@...813...> wrote:

> I'm using Linux kernel 2.6.37 with nbd 2.9.20. Recently, my nbd-client
> has taken up the habit of hanging indefinitely during an attempt to
> detach the device:
>
>  # nbd-client -d /dev/nbd0
>  Disconnecting: que,
>
> Nothing happens after that point, neither the CPU nor the network is
> active.
>
> Does anyone have an idea how to explain, fix, or even debug that
> phenomenon?


This is a recent kernel bug. Back your kernel down or apply this patch:

http://www.spinics.net/lists/kernel/msg1142658.html

--
Paul