Re: Deadlock (maybe related to PR kern/56925)

[Michael van Elst <mlelstv%serpens.de@localhost>]

On Sat, Nov 19, 2022 at 11:00:56AM +0100, BERTRAND Joël wrote:
> 
> 	All workstations behind this server are diskless (root filesystem and
> swap). Linux boxes can survive (not everytime), but FreeBSD boxes always
> crash when main server is rebooted. I don't understand as they answer to
> ping but consoles don't respond and I can not log to them by ssh anymore.

If root/swap are iSCSI, they probably get an I/O error and cannot handle it.
NFS is much more graceful.

N.B. our kernel initiator will try to detach the device when all
connections are lost (similar to a USB drive being unplugged).


Greetings,
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."