Re: Panic with ext4,nbd,qemu-img,block

[Theodore Ts'o]

On Sat, Jan 20, 2018 at 04:41:00PM +0800, Hongzhi, Song wrote:
> 
> 329.11 EXT4-fs (nbd0): mounted filesystem with ordered data mode. Opts:
> (null)
> 329.12 block nbd0: Connection timed out
> 329.13 block nbd0: shutting down sockets

That's your problem.  I'm guessing qemu-nbd is dying for some reason,
which is causing the nbd device to fail (hence the "connection timed
out").

						- Ted